powersoft M50Q HDSP+ETH, M30D HDSP+ETH, M28Q HDSP+ETH, M20D HDSP+ETH, M14D HDSP+ETH User Manual

M Series ampliers

M50Q / M50Q HDSP+ETH
M30D / M30D HDSP+ETH
M28Q / M28Q HDSP+ETH
M20D / M20D HDSP+ETH
M14D / M14D HDSP+ETH

CLIP

6dB

-18dB

SIGNAL

8

-

+32

dB

READY

8

-

+32

dB

TEMP

powersoft_M Series_uguide_en_v2.2
© 2012 Powersof t

User Guide v 2.2

June 2 012

DO000100 REV 01

Powersoft S.r.l. • Via Enrico Conti, 5 • 50018 Scandicci (FI) • Italy

[phone] • [e-mail] • www.powersoft-audio.com

M Series

User Guide

1 Warnings. ............................................4

1.1 Impor tant Safety Instructions . ......................4

1.2 Warning Notices ..................................4

1.2 .1 Location. ........................................4

1.2.2 Precautions Regarding Installation. ..................4

1.3 Safety Rules . .....................................5

1.4 Speaker Damage ..................................5

1.5 Speaker Output Shock Hazard . ....................5

2 Front and Rear Panel Reference Figures. ................6

3 Welcome.............................................8

3.1 Introduction . .....................................8

3.2 The M Series . ....................................8

3.3 More Sound And Less Weight . .....................8

4 Installation............................................8

4.1 Unpacking ........................................8

4.2 Mounting . ......................................10

4.3 Cooling . ........................................10

5.12.3 Internal Processing Layout. ..................13

5.12.4 Lo c k i n g . ...................................14

5.12. 5 O n /O f f. ...................................14

5.12.6 Preset Management. ........................14

6 Remote Control. ....................................14

6.1 What Is Armonía? . ...............................14

6.2 Connecting The Device ...........................14

6. 2.1 N etwork. ..................................14

6.2.2 Discovery Device. ...........................16

6.3 Setup Device . ...................................17

6.3.1 Virtual Device. ..............................17

6.3.2 Real Device. ................................18

6.4 File Operations . .................................18

6.4.1 Binary Preset File .preset......................18

6.4.2 Input/Output Curves .icp, .ocp. ...............19

6.4.3 Channel Preset .chp. .........................19

6.4.4 Device preset le .pam. ......................19

4.4 Operating Precautions ............................10

4.5 Grounding . .....................................10

4.6 AC Mains Connection . ...........................10

5 Connections and Operation. ..........................10

5.1 Introduction . ....................................10

5.2 Front Panel Air Filters Access . .....................10

5.3 Front Panel Adjustments . .........................11

5.4 Front Panel Monitoring . ..........................11

5.5 Rear Panel . .....................................11

5.6 Connecting Audio Inputs . ........................11

5.6.1 MxxD Models. ..............................11

5.6.2 MxxQ Models. .............................12

5.7 Connecting Audio Outputs . ......................12

5.8 Lo-Z and 70V/100V Operations ....................12

5.9 Bridge Mode Connection . ........................12

5.10 Ethernet Port And Remote ID Selection . ...........12

5.11 V Ext . ..........................................12

6.4.5 System File .paw. ............................19

6.5 DSP remote operations ...........................20

6.5.1 Routing. ....................................20

6.5.2 Input Eq.....................................20

6.5.3 Output Eq.. ................................20

6.5.4 Limiters. ...................................21

6.5.5 Damping Factor Correction...................21

6.5.6 Locking.................................... 23

6.5.7 On Board Preset Operations................. 23

6.5.8 Copy And Paste Operations. .................24

7 Protection.......................................... 25

7.1 Turn On/Turn Off Muting . .......................25

7.2 Shor t Circuit Protection . ........................ 25

7.3 Thermal Protection . ............................ 25

7.3.1 Thermal Warning. .......................... 25

7.3.2 Thermal Shutdown. ........................ 25

7.4 DC Fault Protection . ............................ 25

5.12 DSP Features And Operations . ....................12

5.12.1 What Are DSP Operations?

What Are They For?. .........................12

5.12.2 DSP Features...............................12

powersoft_M Series_uguide_en_v2.2
© 2012 Powersof t

7.5 Input/Output Protection . ........................ 25

8 User Maintenance. .................................. 25

8.1 Cleaning . ...................................... 25

8.2 Service . ....................................... 25

Powersoft S.r.l. • Via Enrico Conti, 5 • 50018 Scandicci (FI) • Italy

[phone] • [e-mail] • www.powersoft-audio.com

8.3 Dust Removal . ..................................26

9 Warranty............................................26

10 Assistance. ..........................................26

11 Ap p e n di x . ...........................................27

11.1 Setting An Ip Policy On Adau Based Devices With An

External Lantronix Tool ...........................27

11.1.1 DHC P. ....................................27

11.1.2 AUTOIP. ..................................27

11.1.3 St atic I P. ...................................27

12 Technical Specications. ..............................29

12.1 M14D ..........................................29

12.2 M14D HDSP+ETH . ............................. 30

12.3 M20D . ........................................31

12.4 M20D HDSP+ETH ...............................32

12.5 M28Q . .........................................33

12.6 M28Q HDSP+ETH . ............................ 34

12.7 M3 0 D . .........................................35

12.8 M30D HDSP+ETH . .............................36

12.9 M50Q . ........................................37

12.10 M50Q HDSP+ETH . ........................... 38

▶

2

▶

3

M Series

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

!

!

User Guide

1 Warnings

1.1 Important Safety Instructions

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT ATTEMPT TO OPEN ANY PART OF THE UNIT EXCEPT
THE FRONT PANEL EXPRESSLY DESIGNED FOR AIR FILTER
ACCESS. NO USER-SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.

“WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN
OR MOISTURE. OBJECTS FILLED WITH LIQUIDS, SUCH AS
VASES, SHOULD NOT BE PLACED ON THIS APPARATUS”

registers, stoves, or other apparatus (including ampliers)

that produce heat.

▶

Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the
third prong are provided for your safety. If the provided

plug does not t into your outlet, consult an electrician for

replacement of the obsolete outlet.

▶

Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.

▶

Only use attachments/accessories specied by the

manufacturer.

▶

Unplug this amplier during lightning storms or when unused
for long periods of time. Refer all servicing to qualied ser vice
personnel. Servicing is required when the amplier has been

damaged in any way. For example if the power-supply cord
or plug have been damaged, if liquid has been spilled or

objects have fallen into the amplier, if the amplier has been

exposed to rain or moisture, if it has been dropped or if it
does not operate normally.

EXPLANATIONS OF GRAPHICAL SYMBOLS:

“TO COMPLETELY DISCONNECT THIS APPARATUS FROM
THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD
PLUG FROM THE AC RECEPTACLE”

“THE MAINS PLUG OF THE POWER SUPPLY CORD MUST
REMAIN READILY ACCESSIBLE”

SAFEGUARDS: Electrical energy can perform many useful
functions. This unit has been engineered and manufactured to
assure your personal safety. Improper use can result in potential

electrical shock or re hazards. In order not to defeat the

safeguards, obser ve the following instructions for its installation,
use and servicing.

▶

Read these instructions.

▶

Keep these instructions.

▶

Heed all warnings.

▶

Follow all instructions.

▶

Do not use this amplier near water.

▶

Clean only with a dry cloth.

▶

Do not block any ventilation openings.

▶

Install in accordance with the manufacturer’s instructions.

▶

Do not install near any heat sources such as radiators, heat

“The Lightning Flash with arrowhead symbol within an equilateral
triangle is intended to aler t the user to the presence of uninsulated
“dangerous voltage” within the product enclosure that may be of

sufcient magnitude to constitute a risk of shock to persons”.

“The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the product”.

1.2 Warning Notices

1.2 .1 Location

Install the amplier in a well-ventilated location where it will not

be exposed to high temperature or humidity. Do not install the

amplier in a location that is exposed to direct sun rays, or near

hot appliances or radiators. Excessive heat can adversely affect the

cabinet and internal components. Installation of the amplier in a

damp or dusty environment may result in malfunction or accident.

1.2.2 Precautions Regarding Installation

Placing and using the amplier for long periods of time on heat

generating sources will affect its performance. Avoid placing the

powersoft_M Series_uguide_en_v2.2
© 2012 Powersof t

Powersoft S.r.l. • Via Enrico Conti, 5 • 50018 Scandicci (FI) • Italy

[phone] • [e-mail] • www.powersoft-audio.com

M Series User Guide

!

!

amplier on heat generating sources. Install this amplier as far as
possible from tuners and T V sets. An amplier installed in close

proximity of such equipment may experience noise or generic
performance degradation.

WARNING: To prevent re or electric shock:

▶

The ventilation openings must not be impeded by any item
such as newspapers, tablecloths, curtains etc; keep a distance
of at least 50 cm from the front and rear ventilation openings

of the amplier.

▶

Do not expose this amplier to rain or moisture.

▶

This equipment must not be exposed to dripping or splashing

liquids: objects lled with liquids, such as vases, must not be
placed on the amplier.

1.3 Safety Rules

▶

This device must be powered exclusively by earth connected
mains sockets in electrical networks compliant to the IEC 364
or similar rules.

▶

It is absolutely necessary to verify this fundamental
requirement of safety and, in case of doubt, require an

accurate check by qualied personnel.

▶

The manufacturer cannot be held responsible for damages
caused to persons, things or data due to an improper or
missing ground connection.

▶

Before powering this amplier, verify that the correct voltage

rating is being used.

▶

Verify that your mains connection is capable of satisfying the
power ratings of the device.

▶

Do not spill water or other liquids into or on the amplier.

▶

Do not use this amplier if the electrical power cord is frayed

or broken.

▶

Do not remove the cover. Failing to do so will expose you to
potentially dangerous voltage.

▶

No naked ame sources such as lighted candles should be
placed on the amplier.

▶

Provide a sectioning breaker between the mains connections

and the amplier. The suggested device is a 10 A/250 V AC
(230 V AC mains voltage) or 16 A/250 V AC (110 V AC mains
voltage), C or D curve, 10 kA.

▶

Contact the authorized service center for ordinary and
extraordinary maintenance.

recommendations.

Even if you reduce the gain using the amplier’s front panel

attenuation controls, it is still possible to reach full output power if
the input signal level is high enough.

A single high-power tone can damage high frequency drivers
almost instantaneously, while low frequency drivers can usually
withstand very high, continuous power levels for a few seconds
before they fail. Reduce power immediately if you hear any
speaker “bottoming out” - harsh pops or cracking distor tion that
indicate that the speaker voice coil or diaphragm is striking the
magnet assembly.

Powersof t recommends that you use ampliers of this power
range for more headroom (cleaner sound) rather than for

increased volume.

1.5 Speaker Output Shock Hazard

A Class D amplier is capable of producing hazardous output

voltages. To avoid electrical shock, do not touch any exposed

speaker wiring while the amplier is operating.

This manual contains impor tant information on operating your

Powersof t amplier correctly and safely. Please read it carefully
before operating your amplier. If you have any questions, contact

your Powersoft dealer.

1.4 Speaker Damage

Powersof t Class D ampliers are amongst the most powerful
professional ampliers available and are capable of producing

much more power than many loudspeakers can handle. It is the

user’s responsibility to use speakers suitable to the amplier and

to use them in a sensible way that will not cause damage.

Powersof t will not be held responsible for damaged speakers.
Consult the speaker manufacturer for power handling

▶

5

M Series User Guide

2 Front and Rear Panel Reference Figures

+32

dB

8

FIGURE 1: Front panel view for MxxD ampliers

-

TEMP

6dB

CLIP

-18dB
SIGNAL

READY

+32

dB

8

-

FIGURE 2: Front panel view for MxxQ ampliers

▶

6

M Series User Guide

AC mains power plug Air vents

Amplifier’s remote ID selection

PAT. PEND.

0

5

9

4

8

3

7

2

6

1

0

5

9

4

8

3

7

2

6

1

input

Channel 1

output

Channel 1

output

Channel 2

input

Channel 2

output

Channel 1

Link switch

(Channels 1 and 2)

Channel 1

Channel 1

Channel 2

Channel 2

Channel 3

Channel 3

input

output

output

input

input

output

Channel 4

Link switch

(Channels 1 and 2)

Link switch

(Channels 3 and 4)

output

Ethernet port

(DSP model only)

(DSP model only)

output

Channel 2

Made in Italy

Aux voltage

(DSP model only)

FIGURE 3: MxxD back panel view

(DSP model only)

Preset selection button

Ethernet port

(DSP model only)

(DSP model only)

5

5

6

6
4

4

7

7

3

3
2

2

8

8

9

9

1

1

0

0

5

5

6

6
4

4

7

7

3

3
2

2

8

8

9

9

1

1

0

0

Made in Italy

input

Channel 4

Aux voltage

(DSP model only)

FIGURE 4: MxxQ back panel view

(DSP model only)

Preset selection buttons

(DSP model only)

Selected preset LEDs

PAT. PEND.

AC mains power plug Air vents Amplifier’s remote ID selection

(DSP model only)

Selected preset LEDs

▶

7

M Series User Guide

mains cable

3 Welcome

3.1 Introduction

Congratulations on buying a Powersoft M Series amplier!
Powersof t is a leading company in the eld of high efciency

audio power management. The Powersof t Class D technology
has changed the way the world looks at professional audio

amplication: no other amplier’s performance comes close for

applications demanding high power and long term reliability.
Thanks to amazing reductions in heat output and weight, without

sacricing output powers, Powersoft ampliers can be used in an

unlimited range of PA applications such as opera houses, theaters,
churches, cinema, and theme parks.

3.2 The M Series

The M Series ampliers are specically designed for touring and live
applications. The ampliers in this series offer smaller dimensions,

lighter weight and the traditionally amazing sound quality and

reliability of all Powersoft products. The M Series ampliers have

power ratings suitable for a vast range of common applications
including 70V/100V distributed line systems.

power with maximum safety and an outstanding long term
reliability. Anticipating potential problems at the design stage

means your show always goes on!

4 Installation

4.1 Unpacking

Carefully open the shipping car ton and check for any noticeable

damage; the gure below ( FIGURE 5) shows the packing view.
Every Powersoft amplier is completely tested and inspected

before leaving the factory and should arrive in pristine condition.
In the unlikely event that you should encounter any damage,
please notify the shipping company immediately. Be sure to save
all packing materials for the carrier’s inspection.

Every M Series amplier box contains the following:

▶

1 M Series amplier

▶

1 x AC Mains cord with 3-pin plug 15 A for US, IEC ‘Schuko’
16 A for every other nation.

▶

1 x User Guide

3.3 More Sound And Less Weight

Class D technology based ampliers are highly efcient, delivering

greater power to speakers with reduced heat dissipation: typical

running efciency of output stages is 95%, with only 5% of input

energy dissipated as heat. This allows for smaller dimensions,
weight and power consumptions.

Contrary to conventional ampliers which achieve highest
efciency only at full rated power output, Class D efciency is

almost independent of output level. Music has an average power

density of 40% of its peak value; this means that other (non­class D) ampliers can easily generate 10 times more heat than

Powersof t products for the same sound pressure level.

The units in the M Series are designed to work with lo-Z (from
4 Ω) and with 70V/100V distributed lines. They can deliver up to
1500 W per channel (at 4 Ω) or 3000 W in bridge mode on 8 Ω.

The HDSP+ETH versions of all ampliers in this series allow single

channel processing and remote control capabilities.

Powersof t ampliers deliver crystal-clear highs, and a tight, well­dened low end: the most accurate reproduction of an audio

signal. Solid time proven design features ensure extremely high
performance in terms of super low total harmonic distortion,
optimal frequency response, high power bandwidth and damping
factor across a vast number of application scenarios. Powersoft’s

multi patented application of Pulse Width Modulation (PWM)

high frequency sampling techniques is just one of the many factors
contributing to the M Series high performance ratings across the
audio bandwidth.

amplifier

FIGURE 5:

manual

M Series box

The Show Always Goes On

The M Series offers complete protection against any possible

operation error. Every amplier in this series is designed to work

under a large range of possible conditions, delivering maximum

▶

8

M Series User Guide

M Series Power Ratings

Model name

M14D/M14D HDSP+ETH 700 W 360 W -- -- 140 0 W

2 channel ampliers

M20D/M20D HDSP+ETH 120 0 W 600 W 120 0 W
M30D/M30D HDSP+ETH 1500 W 900 W 120 0 W

4 channel ampliers

1

with a n external high pass lter for non H DSP models and with an HDSP preset with a high pass lte r and ou tpu t volt age limiter for models with HDSP

2

with a n external high pass lter and ou tput voltage limiter for non H DSP models and with an HDSP preset with a high pass lter and ou tput volt age limiter for models wi th HDSP

3

with a n external high pass lter for non H DSP models and with an HDSP preset with a high pass lte r for models with HDSP

M28Q/M28Q HDSP+ETH 700 W 360 W -- -- 140 0 W

M50Q/M50Q HDSP+ETH 1250 W 750 W 1000 W

FIGURE 6: M Series power ratings

single-channel mode Distributed lines Mono-bridge mode

4 � 8 � 70 V 100 V 8 �

1

-- 2400 W

2

2

150 0 W

125 0 W

3

3

3000 W

2500 W

Speakon device

output

Speakon cable

Stereo Mode

Speakon cable

Bridge Mode

CH 1

+

CH 1

-

CH 2

+

CH 2

-

Spk_ A+ Spk _A- Spk_ B+ Spk _B - Spk _C+ Spk_C- Spk_D+ Spk_D-

Spk_ A+ NC NC Spk _A- Spk_ B+ NC NC Spk_B-

FIGURE 7: Common connection modes with corresponding connection polarities

M Series Loads

Model can drive lo-Z loads

M14D
M14D HD SP +E TH
M20D
M20D HDSP+E TH
M30D

M30D HDSP+ETH

M28Q
M28Q HDSP+ETH
M50Q
M50Q H DSP+E TH

yes no no
yes no no
yes yes with an ex ternal high pass lt er no
yes yes with an HDSP preset with a high pass lte r no
yes yes with an ex ternal high pass lter and p eak limite r yes with an ex ternal high pass lt er

yes

yes no no
yes no no
yes yes with an ex ternal high pass lter and p eak limite r yes with an ex ternal high pass lt er
yes yes with a DSP preset with a high pa ss lter and an out put vo ltage limiter yes with a DSP preset wi th a hig h pass lter

yes with an HDSP preset with a high pass lte r and an output voltage

can drive a 70 V distribu ted line can drive a 100 V distributed line

limiter

CH 3

+

CH 3

-

yes with an HDSP preset with a high pass lte r

CH 4

+

CH 4

-

FIGURE 8: M Series load compatibility chart

▶

9

M Series User Guide

4.2 Mounting

All Powersoft ampliers are designed for standard 19” rack

mounting; there are four front panel holes and two rear-lateral

holes. In order to limit the risk of mechanical damages, ampliers
must be xed to the rack using both frontal as well as rear
mounting holes (see FIGURE 9)

mounting holes

mounting holes

mounting holes

air flow

FIGURE 9: Amplier rack mounting holes, front and back

4.3 Cooling

All Powersoft ampliers implement a forced-air cooling system to

maintain low and constant operating temperatures. Drawn by an
internal fan, air enters through the slots in the front panel and is

forced over all components, exiting at the back of the amplier.

The amplier’s cooling system features an “intelligent” variable-

speed DC fan which is controlled by heat sink temperature sensing
circuits: the fan speed will increase only when the temperature
recorded by the sensors rises over carefully predetermined values.
This ensures that fan noise and internal dust accumulation are kept

to a strict minimum. Should however the amplier be subject to

an extreme thermal load, the fan will force a very large volume
of air through the heat sink. In the ex tremely rare event that the

amplier should dangerously overheat, sensing circuits shut down
all channels until the amplier cools down to a safe operating

temperature. Normal operation is resumed automatically without
the need for user intervention.

and soldering techniques.

4.5 Grounding

There is no ground switch or terminal on the M Series ampliers.

All shield terminals of input connections are directly connected to
the chassis. This means that the unit’s signal grounding system is
automatic. In order to limit hum and/or interference entering the
signal path, use balanced input connections.

In the interests of safety, the unit MUST always operate with
electrical safety earth connected to the chassis via the dedicated
wire in the 3-wire cable. Never disconnect the ground pin on the
AC mains power cord.

4.6 AC Mains Connection

The AC Mains connection is made via the IEC type connector on

the back of the amplier. Please make sure your AC mains power

source operates within the voltage limits indicated on this manual

(factory selected 115 V / 230 V ±15%).

open the lock and
insert the plug

GROUND

MAINS

lock the plug

FIGURE 10: Mains connector

Safety warning! Ground wires must be connected! Do not use
adapters that disable grounding.

5 Connections and Operation

Caution regarding heat escape should be exercised when

mounting M Series ampliers. Exhaust cooling air is forced out
through the rear of the chassis (see FIGURE 9); make sure there
is enough space around the back of the amplier for this air to
escape. M Series ampliers can be stacked one on top of the other
due to the efcient cooling system they are equipped with. There

is however a safety limit to be obser ved: in case a rack with closed
back panels is used, leave one rack unit empty every four installed

ampliers to guarantee adequate air ow.

4.4 Operating Precautions

Make sure the power switch is off before attempting to make any
input or output connections.

Make sure the AC mains voltage used is within the acceptable

operating voltage range specied in the M Series documentation
(factory selected 115 V / 230 V ±15%), depending on your country
mains. Damage caused by connecting the amplier to an improper

AC mains voltage is not covered by the warranty.

By using good quality input and speaker cables, the likelihood of
erratic signal behavior is reduced to a minimum. Whether you
make them or buy them, look for good quality wires, connectors

5.1 Introduction

This section provides information on amplier connection and
operation. For optimal amplier performance, it is important to

understand the meaning of the information that each M Series

amplier can provide regarding its status and conguration. This

information is available to the user via front panel indicators as

well as through specic LEDs the back of the unit (for DSP version
only). This chapter will break down all the front panel and back

panel functions. The remaining par t of the chapter will explain

how to correctly connect the amplier’s inputs and outputs.

5.2 Front Panel Air Filters Access

The blue front panel of all M Series ampliers can be removed
to access the air lters. This is useful when the air lters need to
be cleaned due to dust accumulating and clogging the lters thus

hindering proper air circulation vital for cooling purposes.

To remove the blue colored front panel:

▶

10

M Series User Guide

dB

+32

8

-

dB

+32

8

-

/

1. remove the two screws highlighted in FIGURE 11 with a
Philips screwdriver. The panel will easily separate from the

amplier exposing the sponge-like air lters.

To reposition the front blue colored panel:

CLIP

6dB

-18dB

SIGNAL

TEMP

READY

FIGURE 11: Screws to be removed in order to access the air lters
behind the front panel

1. before replacing the front panel, reposition the air lter on
the chassis by placing it on its designated area

2. reposition and tighten the two frontal screws.

5.3 Front Panel Adjustments

The front panel of all M Series ampliers has one stepped attenuation

knob for each channel. Turning the knob counterclockwise, the

user can select the amplier’s gain value in steps corresponding

to the following values: - ∞, 4, 14, 18, 20, 22, 24, 26, 28, 30, 32 dB.

LED Color Solid color Front panel label

Channel indicators

Channel output level has reached

clipping limits

Red

Shor t circuit protection has been

Channel output level is above - 6 dB of

Green

Green

Green Signal is present at amplier output SIGNAL

Green Channel is ready REA DY

Yel l ow

1

Should the temperature increase beyond 85° C, the LED will stay on and the channel

will be muted. The amplier will resume normal functioning and the LED will turn off

automatically when the temperature falls below 75° C.

Channel output level is above -18 dB

Output power is being reduced due

to heat sink temper ature rising above

OR

engaged

max ou tput level

of max outpu t level

Status indicators

1

75° C

CLIP

-6 dB

-18 dB

TEMP

FIGURE 12: Front panel LEDs chart

5.4 Front Panel Monitoring

The M Series front panel provides important information on the

state of the amplier. It is impor tant to know and understand the

meaning of every front panel indicator LED in order to have crucial
information on what’s going on and what could be going badly

with the amplier.

There are two sets of LEDs on the M Series front panel. There are
Channel indicators and Status Indicator LEDs. Channel indicators:
each channel has its own column set of 4 LEDs. The top LED
is red, and the following three are green. Status indicators: each
channel pair has one set of two green status indicator LEDs.

The function of both families of LEDs is summarized in the
following chart:

5.5 Rear Panel

The rear panel of the M Series with optional DSP has a 4-green­LED column per channel pair. The LED lights to indicate which

preset is active for that specic channel pair. Preset parameters
are dened, set and modied by connecting the M Series amplier

with optional DSP to a computer running the Armonía Pro Audio

Suite. In case of a 4-channel amplier (MxxQ models), the rst

LED column indicates the selected preset active on channels 1
and 2, while the second column refers to the preset selected
for channels 3 and 4. A signal can be sent remotely to the amp
to force all preset LEDs to blink for 30 s; this can be useful in a

situation where many ampliers are networked together and it is
necessary to identify which amplier responds to which particular

network address.

5.6 Connecting Audio Inputs

5.6.1 MxxD Models

Audio input connections are made via two XLR connectors found

on the rear of the amplier. Signal looping (i.e. link thru) is possible

using the two XLR male connectors which are also found on
the back panel. The Link on/off button allows to connect input
channels 1 and 2 in parallel.

GND

GND
IN (+)

Balanced Input

FIGURE 13:

IN (-)
IN (+)

Unbalanced Input

Balanced and Unbalanced connections on input XLR

▶

11

M Series User Guide

5.6.2 MxxQ Models

Audio input connections are made via four XLR connectors found

on the rear of the amplier. Signal looping (i.e. link thru) is possible

using the two XLR male connectors which are also found on
the back panel. The Link on/off buttons allows to connect input

channels 1 and 2 (and/or channels 3 and 4) in parallel.

5.7 Connecting Audio Outputs

Warning! Lethal voltage levels may be present at the
loudspeaker connectors when the amp is turned on!

All output connections are made via Speakon connectors. The
1+ pin of the connector corresponds to the positive output of
the channel.

5.11 V Ext

The “V Ext” terminal, located on the rear panel of an M Series

amplier, is used to supply the amplier’s internal Ethernet

controller with the minimum required power for remote on/off
switching operations. When the V ext por t is powered by and

external 9 V- 12 V DC (900 mA) power supply, the Ethernet

controller is enabled to listen for incoming connections such as
device power-on commands.

FIGURE 15: The ID selector and the Aux Voltage port.

FIGURE 14: Output connections made via Speakon connectors

Both bridge as well as single end output connection modes are

possible and can be mixed: for example, for a 4 channel amplier
(MxxQ) channels 1 and 2 can be connected in bridge mode, while

channels 3 and 4 can be connected single ended.

FIGURE 7 summarizes common connection modes with
corresponding connection polarities. Speaker cables are labeled
as Spk _ X+ and Spk _X-, where X represents a distinct speaker.

5.8 Lo-Z and 70V/100V Operations

M Series ampliers are designed to be connected both to lo-Z
as well as hi-Z (or 70V/100V distributed lines) directly. FIGURE 8

summarizes the family’s connection capabilities.

5.9 Bridge Mode Connection

Bridge mode connection of outputs is possible only in lo-Z
operational mode. Bridging of adjacent channels is possible for
the following pairs: channels 1 with 2 for all models and channels
3 with 4 for MxxQ models. Bridging is NOT possible for other
pairs, for example channels 1 and 3. In order to obtain a bridge
connection of the outputs, inputs must be connected in parallel
and outputs in series on a minimum load of 8 Ω .

5.10 Ethernet Port And Remote ID Selection

The ID selection doesn’t implement a communication function

but is used to recognize the ID of the amplier when remotely

connected. The only ID number not allowed is 00.

5.12 DSP Features And Operations

5.12.1 What Are DSP Operations? What Are They For?

The main purpose of Digital Signal Processing (DSP) operations is

to allow the end user to program signal handling and processing
in order to:

▶

Select and handle the source signal

▶

Process the signal for system operation

▶

Process the signal to improve multi way speaker sound quality
and protect speaker drivers

Furthermore, the DSP allows access to real-time information on
the internal device operation. This provides the end user with
reliable information on the internal state of the device as well as

better and faster amplier response in terms of control.

5.12.2 DSP Features

The M Series amplier DSP is based on the DSP-D, a multi-

platform board used in many Powersoft products. Based on

Analog Devices’ ADAU 1701, the DSP-D board’s exible design

caters a wide range of users: from the speaker manufacturer

to the end user of rack ampliers. The DSP-D provides both a

completely programmable DSP to the experienced user as well as
a complete tool with remote control for the end user. The ADAU

1701 device is a xed point DSP with 28-bit resolution for the

internal path and 56-bit for internal processing. The board also
provides full remote control through Armonía Pro Audio Suite.
The M Series DSP is modular for any channel pair, meaning, for
example, that on a MxxD one module is available for channels

▶

12

M Series User Guide

1 and 2 while on a MxxQ there are two modules available: one
for channels 1 and 2 and another for channels 3 and 4. Keep in
mind that the modules are physically separated, therefore input or
output from different modules can’t be mixed together.

Input routing selection and internal signal route. Keep in mind
that due to the internal structure it is impossible to mix signals
between non adjacent channels, for example channel 1 and 4
cannot be mixed together but only channels 1-2 and channels 3-4

(on MxxQ models) can. The following congurations are possible

for any channel pair.

▶

1 input – 2 outputs

▶

2 inputs – 2 outputs

▶

2 mixed inputs – 2 outputs

Input section, allows system operation to improve sound for a

specic zone, group of speakers, room, etc. The input section

provides an input eq for any input channel with the following
features:

▶

5 biquad lters, any lter can become PEQ, shelving hi-lo

pass, all pass

▶

Delay: up to 170 ms for 2 in/2 out and up to 340 ms for 1

in/2 out congurations

▶

Gain between -40 dB and 6 dB

▶

Mute

▶

Reverse polarity

Output section, allows multiway cabinet equalization and
protection. The output section comprises an output eq and a

limiter (peak and RMS) for each channel.

is a function obtained by pre and post limiter eq. The same

eq (with opposite gain) is applied before and after the limiter.

Damping control:

▶

Impedance correction between -2 Ω to +2 Ω with 0.1 Ω
steps

5.12.3 Internal Processing Layout

The following two layouts are available for each module (and its

associated channel pair):

▶

1 In/2 out basic layout (see FIGURE 16)

▶

2 In/2 out basic layout with mono mix capabilities (see

FIGURE 17)

Due to the internal structure of the DSP, in order to optimize
performance, two different binary presets for 1 input/2 output

congurations and for 2 input/2 output congurations must be

used. Be aware that any change in the binary preset causes an
audio interruption while the M Series microprocessor loads the

preset data into the DSP. This means that a change in conguration
(e.g. going from 1 input to 2 inputs ) or reloading a preset from

the internal memory results in an audio interruption.

NOTE: The following information is valid for any single DSP

module (2 channels). Devices with 4 channels are formed by 2

completely independent modules.

Input routing

The two following congurations are available:

▶

1 input - 2 ouputs, the input is routed from channel 1.

▶

2 inputs - 2 outputs, the input is routed from channel 1 and
channel 2. It is possible to mix the two signals together; the
mono mix function sums the two sources and halves their
summed level.

Input section

Eq feature:

▶

12 biquad lters, any lter can become PEQ, shelving hi-lo

pass, all pass. The crossover functions are obtained using one

to four biquad lters for each crossover.

▶

Delay of 10 ms

▶

Gain between -40 dB and 6 dB

▶

Mute

▶

Reverse polarity

Peak limiter feature:

▶

Threshold, 20 – 135 V. With 1 V steps

▶

Hold time, 0 – 2 sec. With 1 ms steps

▶

Release time, 0 – 2 sec. With 1 ms steps

RMS limiter feature:

▶

Threshold, 13 – 312 W @ 8 Ω. With step of 1 W

▶

Attack time, 2 – 4500 ms. With step of 1 ms

▶

Hold time, 0 – 1 sec. With step of 1 ms

▶

Release time, 4 – 4500 ms. With step of 1 ms

▶

Two biquad lters for frequency shaping. Frequency shaping

The input section is formed by the input eq alone, one for each
channel of the loaded layout. For example, in the 1 input / 2 output
module layout there is only 1 input eq for both output channels.

Every input eq has 5 biquadratic lters which can be chosen and
assigned from the set of standard IIR lters.

Output section

Every module provides each channel a set of 12 biqaudratic lters

and a complete set of limiters for protection purposes.

▶

Output eq: 12 biquad lters can be chosen for shaping (PEQ,
shelving, etc) but these are shared between the crossovers.
Each crossover can consume 1 to 4 biquad lters, depending

on the crossover slope. The charts below illustrates a number

of crossover congurations. Mixed crossover congurations
are possible (e.g. HP 12 dB/oct, LP 24 dB/oct)

▶

13

M Series User Guide

1 xover

Free

biQuad

lters

remaining

2 xover

Free

biQuad

lters

remaining

▶

Peak limiter for every output

▶

RMS limiter for every output

▶

Frequency shaping

▶

Damping control for ever y output

Slope 6/12

dB/oct

11 10 9 8

Slope 6/12

dB/oct

10 8 6 4

Slop e 18/24

dB/oct

Slop e 18/24

dB/oct

Slope 30/36

dB/oct

Slope 30/36

dB/oct

Slope 40/48

dB/oct

Slope 40/48

dB/oct

5.12.4 Locking

The locking mechanism allows to lock macro property values
based on the functional sub section and on the channel base of
the device; the lockable sub sections are:

Input routing:

▶

Mono mix

Input Section:

▶

Equalizer

Output Section:

▶

Equalizer

▶

RMS Limiter

▶

Peak Limiter

▶

Damping Control

Every channel subsection is independently lockable.

extension, (see Section 6.4.1 on page 18) for fur ther information.

These presets can be selected via a preset selection button on the
rear panel of the amp. There is one button for each DSP module.

The manual preset selection function is disabled if the amplier is

remotely controlled by any client.

Ampliers in the M Series are shipped with 4 default factory

presets: positions one and two store a 2 in /2 out routing preset
each with an input delay of 170 ms. Positions three and four store
a 1 in / 2 out preset with 340 ms input delay each.

WARNING: selecting a preset with a rear button or via remote
control will interrupt the audio stream for some seconds.

WARNING: store the modied preset before turning the unit off
or all changes will be lost. (Please refer to Section 6.5.7 on page 23
on how to access this feature).

NOTE: selecting presets with the rear button is enabled only if remote
control is NOT active.

6 Remote Control

The M Series allows full amplier remote control with Powersoft’s

software client Armonía. Other third par ty clients are also
available.

6.1 What Is Armonía?

Armonía is a software environment entirely developed in-house by
Powersof t. Its two main features are full end user remote control
of the amp and its signal processing capabilities. The intuitive
inter face provides reliable information and real time control of all
DSP functions. Refer to the Armonía manual for installation and

conguration of the client software.

6.2 Connecting The Device

This chapter illustrates how to setup the remote control of one

or more ampliers.

6.2.1 Network

5.12.5 On/Off

The on/off function is available when an external voltage is
supplied. Please refer to Section 5.11 on page 12 for fur ther
information.

5.12.6 Preset Management

The DSP allows to manage up to 4 presets per module and its
associated channel pair. Each preset contains information on the
following:

▶

Input routing

▶

Input Section

▶

Output Section

▶

Properties locking

The preset is handled by the client as a le with the .preset

▶

14

M Series ampliers come with one rear RJ45 port for remote

device communication, using the IP layer and the UDP protocol.

Factory default settings are DHCP/AutoIP, but a xed IP policy can

also be adopted.

6.2.1.1 DHCP

When the data cable is connected the amplier begins DHCP

handshaking. If a DHCP ser ver is present on the network, the unit
is ready to be remotely controlled.

6.2.1.2 AUTOIP

Every device tries to set up network communication when the
data cable is plugged in and connected to another device (PC ,

switch, etc.). If a DHCP ser ver is not active in the device network
the units initiates a stateless address auto-conguration. It self

M Series User Guide

In 1 eq

Input Routing Input Section Output Section

FIGURE 16: 1 In/2 Out basic layout

In 1

signal
route

In 2

eq

eq

eq

eq

eq

eq

Peak

lim

Peak

lim

Peak

lim

Peak

lim

RMS

lim

RMS

lim

RMS

lim

RMS

lim

Damping

control

Damping

control

Damping

control

Damping

control

Input Routing Input Section Output Section

FIGURE 17: 2 In/2 Out basic layout with mono mix capabilities

▶

15

M Series User Guide

assigns a link-local address of the type 169.254.x.y with a subnet
mask 255.255.0.0. Please make sure that your PC is in the same
subnet of the unit. Modern operating systems provide Zeroconf

features for network auto-conguration.

6.2.1.3 Static IP

M Series devices can be set up with a static IP (or any other IP

policy) with the Armonía control software. In order to set up the

IP address please follow these steps:

1. Connect the device in a network with or without DHCP (see

the previous paragraph).

2. Discover the device and import it in the workspace (refer to

the Armonía user guide).

3. Go to the device scheme tab and select the Network settings
button.

6.2.1.4 Revert From Static IP

If for any reason re-programming the IP address or the IP policy
of your unit should be necessary, follow the instructions in the
previous chapter and make a different selection when assigning
the IP. For example, should you need to revert the device to the

automatic (DH C P, Zer o conf ) IP se t tings, plea s e follow these st e p s :

7. Connect the device in a network with or without DHCP (see

6.2.1.3 on page 16)

8. Discover the device and import in the workspace (refer to

the Armonía user guide). Device and PC must use the same
subnet. If you are not able to reconnect the device please

refer to section 11.1 on page 27

9. Go to the device scheme tab and select the Network settings
button

FIGURE 18: Enter the network settings.

4. Select the Static addressing mode from the combo box

FIGURE 19: Select the static IP policy.

5. Inser t the desired IP Address and network mask. Specifying
the gateway is necessar y only in complex LANs.

FIGURE 20: Insert IP, subnet, and net mask in the form.

6. Click apply settings button.

WARNING: the device is reachable only from PCs in the same
subnet mask, if this information is lost you will need to re-init the
network device with a third-party software. Refer to 11.1 on page

27.

FIGURE 21: Enter the network settings

10. Select the Static addressing mode from the combo box

FIGURE 22: Select the auto IP policy

11. Click apply settings button.

12. When done, the device network will restart automatically.
The device will reconnect in approximately 15 seconds.

6.2.2 Discovery Device

In order to star t remote operation on the device connected
to your network, it must be discovered and impor ted into the
Armonía workspace.

When done, the device network will restar t automatically. The
device will reconnect in approximately 15 seconds.

▶

16

FIGURE 23: In order to discover device press the discover y button.

M Series User Guide

FIGURE 24: A real device controlled by Armonía.

6.3 Setup Device

There are two ways to congure the device, based on your needs

and on the availability of the real device. The main difference is
that you can either work with vir tual devices before going online
and then send the setup to the units remotely or you can operate
on the physical unit directly.

6.3.1 Virtual Device

If for some reason the devices are not available, conguration must

be carried out via virtual devices or a system of virtual devices.

1. Select the device from the models window

FIGURE 26: Drag&Drop the selected unit in the workspace

FIGURE 25: Select with left click the virtual unit

2. Drag and drop in the Workspace

3. If you already have a device preset (.pam) you can import it
by right clicking

FIGURE 27: Left click to select (the blue rectangle appears) and right
click for import

4. You can modify any DSP value following the instructions in
Section 6.5 on page 20.

At this point you can save and load the system le (.paw) at a later

time. Please refer to the Armonía documentation. If the devices
are ready for remote control you can associate the vir tual device
to the real device. To do so, please follow the instructions in the
next section.

6.3.1.1 Congure Layout

Virtual devices allow the use to select the processing layout for any
single DSP module. Select the desired layout in the preset tab of
any virtual device.

▶

17

M Series User Guide

FIGURE 28: Select the desired layout in the combo-box.

6.3.2 Real Device

Working on the real device remotely is also possible. In this case
all changes made to a device are immediately audible. In order to
work on a real device:

1. Connect the device and discover the connected units. (see
Section 6.2.2 on page 16)

2. Drag the remote device into the workspace onto the virtual
device.

WARNING: remember that turning off or disconnecting the
power plug without saving changes on any internal memory slot
leads to data loss. Before turning off, save the data on any internal

slot or export to a .pam le.

6.4 File Operations

There are several import/export possibilities from/to les on a

M Series unit. This section contains an explanation of all possible
cases.

WARNING: due to the internal structure of the device, some

of these le operations can cause a temporary interruption of

audio.

6.4.1 Binary Preset File .preset

Handling of the internal binary preset of an M Series DSP module
is possible in the preset tab of the device.

FIGURE 29: Drop the discovered device on the virtual device; when
the arrow appears, release the left mouse button.

3. If the internal device setup is different you’ll be prompted to
select the realignment direction

FIGURE 30: Realign window, asking for synchronization.

By selecting yes the device setup is transmitted from the virtual
device to the real device. By selecting no the device setup is
transmitted from the real device to the vir tual one.

WARNING: by answering “yes” to the realignment question,
the M Series device loses data on the selected preset slot.

4. It is now possible to operate on the device. Refer to Section

6.5 on page 20) for all possible operations.

FIGURE 31: MxxD have only one DSP module.

FIGURE 32: MxxQ have two DSP modules. It is therefore necessary

to change both slots.

▶

EXPORT, expor t the actual preset slot to a .preset le.

WARNING: if the actual playing preset wasn’t saved before
expor t, the expor ted binary will be the last stored binar y and not

▶

18

M Series User Guide

the current playing preset.

▶

IM P O RT, save a .preset le on the selected slot and recall

that slot.

WARNING: this leads to a couple of seconds interruption of
the audio stream.

WARNING: the data contained in a .preset le irreversibly
modies a preset slot and its internal layout.

6.4.2 Input/Output Curves .icp, .ocp

From the input or output tab of an M Series device, impor t/export
of the current equalization curve is a straightforward procedure.

▶

Output eq

▶

Limiters

▶

Damping factor control

WARNING: all changes will be lost if the preset is NOT stored
on board before unplugging the unit from the mains.

NOTE: im por ti ng cha nnel pres et les doesn’ t modif y th e inter na l

structure of a device. For example, a channel expor ted from a 1

in / 2 out conguration doesn’t affect the internal structure when

impor ted in 2 in /2 out processing layout.

NOTE: in the 1 in / 2 out conguration, the input eq is expor ted
(or applied) to both input eq’s. For example, expor ting 1 in /2 out
congurations exports the unique input eq to both channels.

6.4.4 Device preset le .pam

The preset le allows to import/export entire dumps of the
device. An exported .pam le allows to completely replicate the

DSP process on another device. In order to import/export a .pam

le:

▶

Select the device (a blue rectangle will appear)

▶

Right click on the selected device

▶

Click on import/export

When importing a .pam le you’ll be prompted for a decision on

the realignment policy to adopt.

FIGURE 33: The output eq: there are 4 possible choices to handle the
curve.

WARNING: all changes will be lost if the preset is NOT stored
on board before unplugging the unit from the mains.

6.4.3 Channel Preset .chp

Impor t /export of the current playing processing from/to a le is

possible by starting from the device’s layout.

By selecting yes, the device setup is transmitted from the virtual
device to the real device. By selecting no, the device setup is
transmitted from the real device to the vir tual device.

WARNING: importing a .pam le leads to a short interruption

of the audio stream.

WARNING: im p o r ting a .pam le ov e r wr i t e s th e cur r e n t pr e s e t

slot on the device. Any previous data on the slot will be erased.

FIGURE 34: All possible channel operations are available by right
clicking on the respective channel.

Imported and/or exported data is:

▶

Input eq

▶

19

FIGURE 35: The .pam import/export operation from the workspace.
Note the blue rectangle on the selected device.

6.4.5 System File .paw

Saving or opening a system le permits the storage of the entire

M Series User Guide

processing of the current device imported in the workspace. For

more information on system conguration, please refer to the

Armonía manual.

The save operation may be seen as a large .pam expor t of the

entire device; on the other hand, opening a .paw le is equivalent

to performing a large .pam import on multiple devices. The user
will be prompted for multiple realignment decision on any de­synchronized devices.

If the question is answered with:

▶

yes, the device specied in the window will be aligned to the

data in the .paw le.

▶

yes to all, all the devices will be aligned to the data in the

.paw le.

▶

no, the device specied in the window will NOT be aligned

to the data in the .paw le but the data will be reloaded from

the device.

▶

no to all, all the devices will NOT be aligned to the data in

the .paw le but the data will be reloaded from the devices.

WARNING: during import or preset manager operations the
save .paw function is disabled.

6.5 DSP remote operations

WARNING: due to the internal structure of the system some of

the following le operations can lead to a short audio interruption.

See FIGURE 36 and FIGURE 37.

6.5.2 Input Eq.

The input eq. is intended for system operations. The input eq

provides a range of biquad lters that can act as any generic IIR
lter. Refer to Section 5.12.3 on page 13 for more information.

From the input eq page, the frequency response of each channel
can be adjusted in several ways. Discrete time delays can also be
inser ted. The presence of every input eq used in the device layout
is reported on the tabbed channel on the bottom left hand side of
the screen. The frequency response curves, together with other
View items, are color coded: blue for channel 1, red for channel
2, green for channel 3, orange for channel 4. Every channel allows

regulation of lters, mute, gain, delay and polarity. The frequency
response (and/or phase response) curve displayed is always
obtained as the combined response of all currently active lters.

WARNING: all changes will be lost if the preset is NOT stored
on board before unplugging the unit from the mains.

6. 5.1 Routing

The input routing is based on the processing layout used: the 1 in

/2 out conguration, for example, allows input on odd channels
only. On the other hand, the 2 in / 2 out conguration allows input
on every channel. In this conguration, a mono mix from both

channels is also allowed: the two channels are added together and
their sum divided by two to normalize the resulting level.

For an MxxD the following congurations are available:

Modules 0

conguration

Input Modules 0 Output Modules 0

1 In / 2 Out Ch1 Ch1/Ch2

2 In / 2 Out Ch1/Ch2 Ch1/Ch2

For an MxxQ the following congurations are available:

Modules 0

conguration

Input Modules 0 Output Modules 0

1 In / 2 Out Ch1 Ch1/Ch2

2 In / 2 Out Ch1/Ch2 Ch1/Ch2

FIGURE 38: The input eq layer.

6.5.3 Output Eq.

This page’s general appearance is similar to that of the Input
Equalizer page, but presents several important differences. The

Output Eq. cur ve the amplier employs is meant to be created from

the speaker manufacturer’s data for the par ticular loudspeaker

cabinets or arrays the amplier will be driving. It provides a range
biquad lter that can act as crossover or generic IIR lter. Refer to

Section 5.12.3 on page 13 for more information. From this page,
the frequency response of each channel can be adjusted in several
ways. Discrete time delays can also be inser ted. The presence
of every output eq. present in the device layout is repor ted on
the tabbed channel on the bottom left hand side of the screen.
The frequency response curves, together with other View items,
are color coded: blue for channel 1, red for channel 2, green for
channel 3, orange for channel 4. Ever y channel allows regulation

of lters, mute, gain, delay and polarity. The displayed frequency
response (and/or phase response) curve is always obtained as the
combined response of all currently active lters.

and

Modules 1

conguration

Input Modules 0 Output Modules 0

1 In / 2 Out Ch3 Ch3/Ch4

2 In / 2 Out Ch3/Ch4 Ch3/Ch4

▶

20

M Series User Guide

FIGURE 39: The output eq layer.

6.5.4 Limiters

The function of the limiters is to protect voice coils from burning
out due to excess power being delivered over an extended
period of time or from excessively large signal peaks by limiting

the maximum output voltage of the amplier. The limiter window

is accessible by clicking on the limiter block in the device layout
view. Every channel limiter is color coded: blue for channel 1, red
for channel 2, green for channel 3, orange for channel 4.

action is reduced and the gain is returned to normal following
the drop of the output voltage below the threshold level.

6.5.4.2 Peak Limiter

The function of the peak limiter is to protect voice coils from
excessively large signal peaks by limiting the maximum output

voltage of the amplier. It’s possible set the values of:

▶

Threshold in Volts, is the amplier max output voltage level

corresponding to the maximum displacement of the speaker
diaphragm.

▶

Hold time is the time over which the limiting action is

maintained before the gain level is returned to normal af ter
the output voltage drops below the threshold.

▶

Release time is the length of time over which the limiting
action is reduced and the gain is returned to normal following
the drop of the output voltage below the threshold level.

6.5.5 Damping Factor Correction

The effect of cable resistance on a high power amplier
performance becomes signicant at low frequencies, as the cable

resistance can affect the output stage damping factor. Powersoft
Damping Control is a proprietar y algorithm which compensates
for cable resistance. The user can enter cable parameters and the
algorithm calculates and applies the appropriate correction. A
tool to calculate the cable resistance is provided. Damping factor

correction can also be used to ne tune how the bass frequency

sounds: a negative resistance leads to a punched bass while a
positive resistance leads to a tailed bass.

FIGURE 40:

The limiters window.

6. 5.4.1 RMS Limiter

Electromechanical transducers are highly inefcient; as such
they transform a signicant amount of input power into heat.

The function of the RMS limiter is to protect the voice coils of
speaker drivers from burning out due to excess power being
delivered over an extended period of time. The RMS limiter is set
by selecting a desired maximum power value but acts by limiting

output voltage; by applying Ohm’s law with a xed reference 8

Ohm load, the output voltage level corresponding to the desired
maximum output power value is calculated as the square root of

power times the load resistance (8 Ohm). It is possible to set the

values of:

▶

Threshold in Watts, with respect to an 8 Ohm load.

▶

Attack time is the time between the moment the output

voltage exceeds the threshold and the moment of the onset
of the limiting action.

▶

Hold time is the length of time during which the limiting action

is maintained before the gain returns to normal levels because
the output voltage drops below the threshold level.

▶

Release time is the length of time over which the limiting

FIGURE 41: The damping control window.

The following values can be set by the user:

Enable: enables the correction algorithm

Resistance compensation fader: the negative or positive resistance
value added to the output circuitry.

The cable resistance tool allows to set:

Cable dimensions: enter the gauge of the wire used in the speaker
cable and the cable length into the Wire gauge dropdown list and

▶

21

M Series User Guide

FIGURE 36: The rst module of an MxxQ device is congured with a 2 in/2 out layout, the second module is congured as a 1 in/2 out.

▶

22

FIGURE 37: The rst module of a MxxQ device is congured with a 2 in/2 out layout with an active monomix. The second module is congured

with a 1 in/2 out layout.

M Series User Guide

the Wire leng th spinbox respectively. The upper drop-down list

allows to choose between metric (international) and American
(Imperial) units. The range of American wire gauges is 6 AWG

to 23 AWG, and of metric wire gauges 0.25 mm
Maximum cable lengths are correspondingly 3280 ft or 1000 m.

Resistance compensation: clicking Apply sets the cable resistance
value calculated as the correction factor. The fader and its spinbox
assume this value. However, the user can manually modify this
calculated nominal value to obtain, for example, an enhanced LF
response.

6.5.6 Locking

The locking mechanism allows the user to prevent changes to a
whole preset or a part of a preset. The locking interface is divided

in DSP module(s) and macro processing (refer to Section 5.12.4

on page 14 for fur ther information on the logical data section).
Every module needs to be locked separately; the lock status is

preserved with the import/export from/to le and copy/paste

operations. In order to lock/unlock an entire module or parts of
a module:

▶

Access the locking inter face

2

to 10 mm2.

FIGURE 43: Insert the unlock password.

▶

A number of operations are allowed here. Please refer to
FIGURE 44 for an explanation of the various functions and
symbols.

FIGURE 42:

Click on the preset locking button in the layout tab of the

device.

▶

If the module you want to modify is already locked, you need
to inser t the unlocking password for that module.

FIGURE 44: Explanation of functions and symbols

1. Select module

2. Select channel for the macro property.

3. A padlock indicates a locked proper ty

4. A pencil indicates a writable property

5. The combo box allows to change the single macro property.

▶

In order to lock the module with the selected layout, insert
the locking password and press the button Apply.

6.5.7 On Board Preset Operations

The preset tab of all M Series devices allows handling of the internal
binar y preset of an M Series DSP module.

▶

23

M Series User Guide

FIGURE 45: MxxD has a single DSP module.

FIGURE 46: MxxQ has two DSP modules; both slots must be recalled

in two separate operations.

▶

SAV E , allows saving of the current DSP processing on the
selected preset slot.

▶

LOAD, recalls the selected preset slot.

WARNING: (re)loading a preset causes a couple of seconds of

interruption of the audio stream.

6.5.8 Copy And Paste Operations

FIGURE 47: The output eq, there are 4 possible alternatives to handle
the cur ve.

WARNING: all changes will be lost if the preset is NOT stored on
board before unplugging the unit from the mains.

6.5.8.2 Channels

Copy and paste of the current playing processing setup from/to
the clipboard is possible from the device layout.

FIGURE 48: All possible channel operations are available by right
clicking on the corresponding channel.

Data that can be copied and pasted:

▶

Input eq

▶

Output eq

▶

Limiters

▶

Damping factor control

Any paste operation does not affect the DSP binary and its
corresponding structure; therefore, applying data with the paste
command does not lead to audio interruption.

WARNING: any data pasted into a device needs to be saved
in a preset slot, otherwise any turn off/on cycle leads to data

loss.

6.5.8.1 Input/output eq curves

In order to copy/paste an eq curve, copy the source curve with the
dedicated copy function and paste to the destination eq. with the
dedicated paste function.

▶

24

WARNING: all changes will be lost if the preset is NOT stored
on board before unplugging the unit from the mains.

NOTE: pasting a channel preset le doesn’t modify the internal

structure of a device. For example, a channel copied from a 1 in

/ 2 out conguration doesn’t affect the internal structure when

pasted in a 2 in /2 out processing layout.

NOTE: in the 1 in / 2 out congur ation the input eq is copied (or
applied) to both input eq’s. For example, copying the conguration
of both channels (1 in /2 out conguration) leads to pasting the

unique input eq to both channels.

M Series User Guide

6.5.8.3 Workspace

The copy/paste function from an M Series device to another M
Series device is limited to:

▶

The same family device (e.g. source M20D, target M20D).

▶

The same internal processing layout (e.g. source 1IN/2OUT,

target 1IN/2OUT).

WARNING: all changes will be lost if the preset is NOT stored
on board before unplugging the unit from the mains.

7 Protection

In order to protect your device and your speakers from accidental

damage, M Series ampliers include an extensive automatic

protection system. In the following sections, potentially dangerous

scenarios and the ampliers’ corresponding protective response

are explained in detail.

7.1 Turn On/Turn Off Muting

Class D ampliers may cause severe speaker damage at power

up due to the high voltage levels at the output stage. In order to
avoid this, the outputs are muted for less than 2 seconds (less

than 5 seconds for DSP models) after turn on. Similarly, turning
off the amplier can cause the same problem: outputs are muted

immediately at turn off.

7.2 Short Circuit Protection

temperature returns to safe levels.

7.3.1 Thermal Warning

If the heat sink reaches a temperature of approximately 75°C, the
front panel red “TEMP” LED corresponding to the overheated
channel pair turns on to warn the user of a potentially dangerous
thermal event. Output power is reduced to prevent damages to
the output stage.

7.3.2 Thermal Shutdown

If the heat sink temperature rises above 85°C, the thermal sensing
circuitry will mute each power section of each compromised
channel pair. Only after the heat sink has cooled down to below
75°C the channel pair will automatically unmute and the red
“TEMP” LED will be turned off.

7.4 DC Fault Protection

In order to protect your speakers from mechanical damage caused

by a DC signal coming from the amplier’s output, a DC detection
circuit is placed between the amplier’s output stage and power

supply. If a DC signal or excessive subsonic energy appears at a
channel output an instantaneous protection circuit will mute the
compromised channel pair. The red “CLIP” LED will turn on to
signal that protective measures have been engaged.

7.5 Input/Output Protection

Inter ference protection is implemented in the M Series to limit
out of band noise carried by the input lines. Disturbing frequencies

can interact with the output stage, causing unpredictable amplier
behavior. A ltering system is used to stop infrasonic and VHF

signals from entering the signal path.

Shor t circuits or ver y low impedance loads may destroy the output

stage of any amplier. In order to protect the amplier from the

dangerously high current surges arising from accidental output
shor t circuits or low impedance loads, all M series amps block
channel activity when the current drawn from the load rises above
a set value. The channel is muted for 2 seconds after which the

amplier will unmute the channel and check whether the current

draw is still over the safety threshold. Should this be the case, the

amplier will mute the channels for another 2 seconds and the

procedure will reiterate. The red “CLIP ” LED will be turned off
only when the output current draw will have returned within safe
limits.

7.3 Thermal Protection

All Powersoft ampliers have variable speed fans to assist cooling.

If for some reason the cooling system can’t dissipate the produced
heat correctly, a thermal protection system is automatically
activated to avoid permanent damages. Every channel pair has a
temperature sensor on the output stage heat sink. Two different
protection strategies are implemented depending on the severity
of the overheating. In order to protect internal components, the

amplier may automatically reduce output power until the internal

8 User Maintenance

8.1 Cleaning

Before attempting to clean any part of the amplier, rst

disconnect the AC main source. Use a soft cloth and mild non­abrasive solution to clean the faceplate and chassis.

Warning! Never let any liquid reach the internal parts of the

amplier.

8.2 Service

There are no user-serviceable parts in your amplier. Refer
servicing to qualied technical personnel. In addition to having an

in-house service department, Powersoft supports a network of

authorized service centers. If your amplier needs repair contact
your Powersoft dealer (or distributor). You can also contact the

Powersof t Technical Service depar tment to obtain the location of
the nearest authorized service center.

▶

25

M Series User Guide

8.3 Dust Removal

In dusty environments, the front side air lters clog with dust after
prolonged use. The dust gathered in the lters will interfere with

cooling. You may use compressed air to remove the dust from

lters. To remove air lters please refer to the front panel removal
procedure (Front panel access). Air lter cleaning should be
scheduled according to the dust levels in the amplier’s operating

environment.

9 Warranty

Product Warranty:

Powersof t guarantees its manufactured products to be free from
defective components and factory workmanship for a period of 48

(forty eight) months, starting from the date of purchase printed on
Powersof t’s (or any of its Authorized Dealer’s) invoice to the end
customer. All warranty repairs and retrots must be performed at

Powersof t facilities or at an Authorized Service Center at no cost
for the purchaser. Warranty exclusion: Powersoft’s warranty does
not cover product malfunctioning or failure caused by: misuse,
abuse, repair work or alterations performed by non-authorized
personnel, incorrect connections, exposure to harsh weather

conditions, mechanical damages (including shipping accidents), and

normal wear and tear. Powersoft will perform warranty services
provided that the product is not damaged during transpor tation.

10 Assistance

Even though most product malfunctioning can be solved at your
premises through Powersoft Customer Care or your direct
knowledge, occasionally, due the nature of the failure, it might
be necessary to return defective products to Powersoft for
repair. In the latter case, before shipping, you are kindly asked
to follow step by step the procedure described below: Obtain
the “Defect Repor t Form” contacting our Customer Care
Depar tment via email: [e-mail] or download the
“Defect Report Form”. Fill out one “Defect Report form” for

each returned item (the form is an editable tab guided document)

and save as your name, amp model and serial Number (for

example: distributornamek10sn17345.doc) providing all required

information except the RMA code/s and send it to service@
powersoft.it for Powersoft approval. In case of defect repor ts
approved by the Powersoft Customer Service Representative you
will receive an RMA authorization code (one RMA code for each

returning device). Upon receiving the RMA code you must package

the unit and attach the RMA code outside the pack, protected
in a waterproof transparent envelope so it is clearly visible. All
returning items must be shipped to the following address:

Powersof t srl

Via Enrico Conti, 13-15

Return of Goods:

Goods can be returned to Powersoft only after they have been

granted a Return Merchandise Authorization (RMA) number to be

attached to the external packaging. Powersoft (or its Authorized

Service Center) has the right to refuse any returned good without

a RMA number.

Repair or replacement:

Powersof t reserves the right to repair or replace any defective
goods covered by product warranty at its sole discretion and as
it deems best.

Cost and responsibility of transpor t:

The purchaser (or end user/customer) is solely responsible for all

transpor tation costs and risks associated with sending warranty
covered goods to Powersoft or its Authorized Service Center.
Powersof t will assume full responsibility and cover all costs
incurred to send the goods back to the purchaser (or end user/

customer).

50018 Scandicci (FI) Italy

In case of shipment from countries NOT belonging to the
European Community make sure you have also followed the
instructions described in the document available for download at
the following link: http://www.powersoft-audio.com/component/
option,com_docman/Itemid,111/gid,298/task,doc_download/

TEMPORARY EXPORTATION / IMPORTATION PROCEDURE

Thank you for your understanding and cooperation and continued
support as we work to improve our partnership.

▶

26

M Series User Guide

11 Appendix

11.1 Setting An Ip Policy On Adau Based Devices With An
External Lantronix Tool

M Series a ampliers come with one rear RJ45 port for remote

device communication, using the IP layer and the UDP protocol.

Factory default settings are DHCP/AutoIP, but a xed IP policy can

also be adopted

11.1.1 DHCP

When the data cable is connected the amplier begins DHCP

handshaking. If a DHCP ser ver is present on the network, the unit
is ready to be remotely controlled.

11.1.2 AUTOIP

Every device tries to set up network communication when the
data cable is plugged in and connected to another device (PC ,

switch, etc.). If a DHCP server is not active in the device network
the units initiates a stateless address auto-conguration. It self

assigns a link-local address of the type 169.254.x.y with a subnet
mask 255.255.0.0. Please make sure that your PC is in the same
subnet of the unit. Modern operating systems provide Zeroconf

features for network auto-conguration.

Warning: Make sure that the only connected Lantronix-based

devices are M Series units. Any third-par ty device (e.g. printers)

that are equipped with a Lantronix unit are visbile with this
software.

Powersoft will be not responsible for any damage suffered by
third-party products equipped with Lantronix hardware.

5. Select the device whose IP address policy you want to set and

press the button Assign IP (see FIGURE 51)

6. Follow the Device Installer wizard. Any kind of IP policy can
be set.

FIGURE 52: Select assign specic IP and click next.

11.1.3 Static IP

Adau based devices can be set up with a static IP (or any other

IP policy) with an external software programmer provided by

Lantronix™. In order to set up the IP address please follow the
following steps:

1. Download and install the DeviceInstaller™ software from the
Lantronix Web Site on your PC. Please refer to Lantronix
documentation.

2. Connect the device to your PC

3. Shutdown any M Ser ies client (Armonía or third-par t y client).

4. Launch the program: it should automatically scan your
network. If not, manually initiate the scan by clicking the
Search button.

FIGURE 49: Press the search button to start a (new) search

NOTE: Due to the fact that the Lantronix congurator uses the

Etherner layer no IP set up is necessary.

All the available Lantronix-based devices should appear (see

FIGURE 50). Please note that devices that are not compatible with

the IP network mask of your network interface should appear too
due to the fact that the Lantronix Confgiurator uses the Ethernet
stack.

FIGURE 53: Select IP address and subnet mask compatible with your
PC. Specifying the gateway address is not mandatory. Click next.

FIGURE 54: When done press the Assign button.

7. When done, the device network will restart automatically.

▶

27

M Series User Guide

FIGURE 50: All Lantronix devices on the network. A pre existing static IP unit appears.

▶

28

FIGURE 51: The selected device.

M Series User Guide

12 Technical Specications

12.1 M14D

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 8 Ω / Ch pair

Max output voltage / current 85 V

AC Mains Power

Power supply Universal, re gulated sw itch m ode
Operating voltage 115 V / 230 V (fac tor y select ion) ± 15%, 50 Hz - 60 Hz
Consumption / current draw @ 230 V @ 115 V
Idle 39 W 0.3 A 39 W 0.6 A
I/8 of max out put power @ 4 Ω 283 W 1.9 A 283 W 3.8 A
I/4 of ma x outp ut power @ 4 Ω 538 W 3.5 A 538 W 7 A

700 W 360 W 1,40 0 W

peak

/ 65 A

peak

Thermal

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously var iabl e speed, temper ature cont rolled, front to rear airow
Idle 133 BT U/h 33 kcal/h
I/8 of max out put power @ 4 Ω 368 BTU/h 93 kcal /h
I/4 of ma x outp ut power @ 4 Ω 641 BT U/ h 162 k ca l /h

Audio

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >113 dBA (20 Hz - 20 kHz , A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.4 V / 5.14 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

DSP (optional)

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Front Panel

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Rear Panel

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hardwired to the corre sponding input

Network dat a por t Ethernet
DSP preset selection 1 x Push but ton (steppi ng thr ough bank of 4 pr esets)

Aux voltage

AC main s
Controls

Construction

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

1) Exte rnal high-pas s lte r required.

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x 4 LED pr eset indicator s
1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81

IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

▶

29

M Series User Guide

12.2 M14D HDSP+ETH

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 8 Ω / Ch pair

Max output voltage / current 85 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 39 W 0.3 A 39 W 0.6 A
I/8 of max out put power @ 4 Ω 283 W 1.9 A 283 W 3.8 A
I/4 of ma x outp ut power @ 4 Ω 538 W 3.5 A 538 W 7 A

700 W 360 W 1,40 0 W

peak

/ 65 A

peak

Thermal

Audio

DSP

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 133 BT U/h 33 kcal/h
I/8 of max out put power @ 4 Ω 368 BTU/h 93 kcal/h
I/4 of ma x outp ut power @ 4 Ω 641 BT U/ h 162 kc al/ h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >109 dBA ( 20 Hz - 20 kHz, A weighte d)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.4 V / 5.14 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hardwired to the corre sponding input
Network dat a por t Ethernet
DSP preset selection
Aux voltage
AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x Pushbut ton (stepping through ba nk of 4 preset s); 1 x 4 LED pr eset i ndic ator s

1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81
IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

▶

30

M Series User Guide

12.3 M20D

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 116 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 35 W 0.3 A 35 W 0.6 A
I/8 of max out put power @ 4 Ω 371 W 2 .54 A 371 W 5 A
I/4 of ma x outp ut power @ 4 Ω 701 W 4.5 A 701 W 9 A

1)

1,20 0 W 600 W 1, 20 0 W -- 2,4 00 W

peak

/ 65 A

peak

100 V 8 Ω / Ch pair

Thermal

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 126 B T U/ h 32 kcal/h
I/8 of max out put power @ 4 Ω 529 BTU/h 133 kca l/h
I/4 of ma x outp ut power @ 4 Ω 935 BTU /h 236 kcal/h

Audio

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ±3 dB)

S/N ratio (amplier section) >113 dBA (20 Hz - 20 kHz , A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.73 V / 6.98 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

DSP (optional)

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Front Panel

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Rear Panel

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hard-wired to the corr espo nding input

Network dat a por t Ethernet
DSP preset selection 1 x Push but ton (steppi ng thr ough bank of 4 pr esets)

Aux voltage

AC main s
Controls

Construction

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t panel, scr ew hole protecti on, s teel s ide

Weig ht

1) Exte rnal high-pas s lte r required.

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns swi tch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x 4 LED pr eset indicator s
1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81

IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

▶

31

M Series User Guide

12.4 M20D HDSP+ETH

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 116 V

AC Mains Power

Power supply Universal, re gulated sw itch m ode
Operating voltage 115 V / 230 V (fac tor y select ion) ± 15%, 50 Hz - 60 Hz
Consumption / current draw @ 230 V @ 115 V
Idle 35 W 0.3 A 35 W 0.6 A
I/8 of max out put power @ 4 Ω 371 W 2 .54 A 371 W 5 A
I/4 of ma x outp ut power @ 4 Ω 701 W 4.5 A 701 W 9 A

1)

1,20 0 W 600 W 1, 20 0 W -- 2,4 00 W

peak

/ 65 A

peak

100 V 8 Ω / Ch pair

Thermal

Audio

DSP

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously var iabl e speed, temper ature cont rolled, front to rear airow
Idle 126 B T U/ h 32 kcal/h
I/8 of max out put power @ 4 Ω 529 BTU/h 13 3 k c a l/h
I/4 of ma x outp ut power @ 4 Ω 935 BTU /h 236 kcal/ h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ±3 dB)

S/N ratio (amplier section) >107 dBA (20 Hz - 20 kHz, A weighted )

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.733 V / 6.98 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hardw ired to the corre sponding input
Network dat a por t Ethernet
DSP preset selection
Aux voltage
AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t panel, scr ew hole protecti on, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns swi tch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x Pushbut ton (stepping through ba nk of 4 preset s); 1 x 4 LED pr eset i ndic ator s

1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81
IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

1) DSP preset wit h high-pass lte r and output voltage limiter required.

▶

32

M Series User Guide

12.5 M28Q

Specications

General

Number of channels 4
Output power 4-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 8 Ω / Ch pair

Max output voltage / current 85 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 62 W 0. 51 A 64 W 0.6 A
I/8 of max out put power @ 4 Ω 580 W 3 .74 A 580 W 7.4 8 A
I/4 of ma x outp ut power @ 4 Ω 1,066 W 6.52 A 1,066 W 13. 04 A

700 W 360 W 1,40 0 W

peak

/ 60 A

peak

Thermal

Audio

DSP (optional)

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 212 B TU/ h 53 kc al/ h
I/8 of max out put power @ 4 Ω 785 BTU/h 198 k ca l/h
I/4 of ma x outp ut power @ 4 Ω 1,249 BTU/ h 315 kc al /h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4d B, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >111 dBA (20 Hz - 20 kHz , A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.34 V / 4.76 dBu
Max input level 6 V / 17.8 dBu
Input impedance 10 k
THD+N / S MPTE IMD <0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 4 x Neutrik® Speakon NL4MD

Network dat a por t Ethernet
DSP preset selection 2 x Push but ton (steppi ng thr ough bank of 4 pr esets)

Aux voltage

AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

4 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

2 x 4 LED pr eset indicator s
1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81

IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
2 x link switch, linking analog inpu ts 1 & 2 and 3 & 4

reinforcement & rear support

7.3 kg / 16 lb

▶

33

M Series User Guide

12.6 M28Q HDSP+ETH

Specications

General

Number of channels 4
Output power 4-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 8 Ω / Ch pair

Max output voltage / current 85 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 62 W 0. 51 A 64 W 0.6 A
I/8 of max out put power @ 4 Ω 580 W 3 .74 A 580 W 7.4 8 A
I/4 of ma x outp ut power @ 4 Ω 1,066 W 6.52 A 1,066 W 13. 04 A

700 W 360 W 1,40 0 W

peak

/ 60 A

peak

Thermal

Audio

DSP

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 212 B TU/ h 53 kc al/ h
I/8 of max out put power @ 4 Ω 785 BTU/h 198 k ca l/h
I/4 of ma x outp ut power @ 4 Ω 1,249 BTU/ h 315 kc al /h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >109 dBA ( 20 Hz - 20 kHz, A weighte d)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.34 V / 4.76 dBu
Max input level 6 V / 17.8 dBu
Input impedance 10 k
THD+N / S MPTE IMD �0. 05% @ 1/2 of fu ll powe r
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 4 x Neutrik® Speakon NL4MD
Network dat a por t Ethernet
DSP preset selection
Aux voltage
AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

4 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

2 x Pushbut ton (stepping through ba nk of 4 preset s); 2 x 4 LED pr eset i ndic ator s

1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81
IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
2 x link switch, linking analog inpu ts 1 & 2 and 3 & 4

reinforcement & rear support

7.3 kg / 16 lb

▶

34

M Series User Guide

12.7 M30D

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 135 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 37 W 0.3 A 37 W 0.6 A
I/8 of max out put power @ 4 Ω 530 W 3.54 A 530 W 7 A
I/4 of ma x outp ut power @ 4 Ω 1, 024 W 6. 52 A 1,024 W 13. 04 A

2)

1,500 W 900 W 1,200 W 1,50 0 W 3,000 W

peak

/ 65 A

peak

100 V

1)

8 Ω / Ch pair

Thermal

Audio

DSP (optional)

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 126 B T U/ h 32 kcal/h
I/8 of max out put power @ 4 Ω 529 BTU/h 133 kca l/h
I/4 of ma x outp ut power @ 4 Ω 935 BTU /h 236 kcal/h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >110 dBA (20 Hz - 20 kHz, A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 2.13 V / 8.8 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.07% @ 1/2 of fu ll power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hard-wired to the corr espo nding input

Network dat a por t Ethernet
DSP preset selection 1 x Push but ton (steppi ng thr ough bank of 4 pr esets)

Aux voltage

AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x 4 LED pr eset indicator s
1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81

IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

1) Exte rnal high-pas s lte r required.

2) External high -pa ss lter and ou tpu t volt age lim iter required .

▶

35

M Series User Guide

12.8 M30D HDSP+ETH

Specications

General

Number of channels 2
Output power 2-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 135 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 37 W 0.3 A 37 W 0.6 A
I/8 of max out put power @ 4 Ω 530 W 3.54 A 530 W 7 A
I/4 of ma x outp ut power @ 4 Ω 1, 024 W 6. 52 A 1,024 W 13. 04 A

2)

1,500 W 900 W 1,200 W 1,50 0 W 3,000 W

peak

/ 65 A

peak

100 V

1)

8 Ω / Ch pair

Thermal

Audio

DSP

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 126 B T U/ h 32 kcal/h
I/8 of max out put power @ 4 Ω 529 BTU/h 133 kca l/h
I/4 of ma x outp ut power @ 4 Ω 935 BTU /h 236 kcal/h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >108 dBA ( 20 Hz - 20 kHz, A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 2.13 V / 8.8 dBu
Max input level 6 V / 17.7 dBu
Input impedance 10 k
THD+N / S MPTE IMD � 0.08% @ 1/2 of f ull power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 2 x Neutrik® Speakon NL4MD, 2 x Neutrik® XL R male hard-wired to the corr espo nding input
Network dat a por t Ethernet
DSP preset selection
Aux voltage
AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

2 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

1 x Pushbut ton (stepping through ba nk of 4 preset s); 1 x 4 LED pr eset i ndic ator s

1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81
IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
1 x link switch, linking analog inpu ts 1 & 2

reinforcement & rear support

7.3 kg / 16 lb

1) DSP preset wit h high-pass lte r required.

2) DSP preset with high -pa ss lter and ou tpu t volt age limiter required .

▶

36

M Series User Guide

12.9 M50Q

Specications

General

Number of channels 4
Output power 4-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 135 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 64 W 0. 51 A 64 W 0.6 A
I/8 of max out put power @ 4 Ω 905 W 5.8 A 905 W 11. 6 A
I/4 of ma x outp ut power @ 4 Ω 1,7 72 W 11 .1 A 1,7 72 W 22. 2 A

2)

1,250 W 750 W 1, 20 0 W 1,250 W 2 ,50 0 W

peak

/ 65 A

peak

100 V

1)

8 Ω / Ch pair

Thermal

Audio

DSP (opti onal)

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 218 BTU / h 55 kcal /h
I/8 of max out put power @ 4 Ω 955 BTU/h 241 k ca l/ h
I/4 of ma x outp ut power @ 4 Ω 1, 781 B TU /h 449 kcal/h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >110 dBA (20 Hz - 20 kHz, A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.94 V / 7.97 dBu
Max input level 6 V / 17.8 dBu
Input impedance 10 k
THD+N / S MPTE IMD < 0.05% @ 1/2 of full power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control
System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 4 x Neutrik® Speakon NL4MD

Network dat a por t RS4 85
DSP preset selection 2 x Push but ton (steppi ng thr ough bank of 4 pr esets)

Aux voltage

AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

4 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

2 x 4 LED pr eset indicator s
1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81

IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
2 x link switch, linking analog inpu ts 1 & 2 and 3 & 4

reinforcement & rear support

7.3 kg / 16 lb

1) Exte rnal high-pas s lte r required.

2) External high -pa ss lter and ou tpu t volt age lim iter required .

▶

37

M Series User Guide

12.10 M50Q HDSP+ETH

Specications

General

Number of channels 4
Output power 4-channel mode mono-bridged mode

EIAJ Test Standard, 1 kHz, 1% THD 4 Ω / Ch 8 Ω / Ch 70 V

Max output voltage / current 135 V

AC Mains Power

Power supply Univer sal, regu lated switch mode
Operating voltage 115 V / 230 V (factory selec tio n) ± 15%, 50 Hz - 60 H z
Consumption / current draw @ 230 V @ 115 V
Idle 64 W 0. 51 A 64 W 0.6 A
I/8 of max out put power @ 4 Ω 905 W 5.8 A 905 W 11. 6 A
I/4 of ma x outp ut power @ 4 Ω 1,7 72 W 11 .1 A 1,7 72 W 22. 2 A

2)

1,250 W 750 W 1,000 W 1,250 W 2,500 W

peak

/ 65 A

peak

100 V

1)

8 Ω / Ch pair

Thermal

Audio

DSP

Front Panel

Rear Panel

Construction

Environmental operating temperature 0° - 45° C / 32° - 113° F
Thermal dissipation Fan, continuously varia ble sp eed, temperature co ntrolled , front to rear air ow
Idle 218 BTU / h 55 kcal /h
I/8 of max out put power @ 4 Ω 955 BTU/h 241 k ca l/ h
I/4 of ma x outp ut power @ 4 Ω 1, 781 B TU /h 449 kcal/h

Gain 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 d B, 18 dB , 14 dB, 4 dB, - ∞, user selectable
Frequency response 10 Hz - 30 kHz (1 W @ 8 Ω, ± 3 dB)

S/N ratio (amplier section) >108 dBA ( 20 Hz - 20 kHz, A weighted)

Crosstalk separation >70 dB @ 1 kHz
Input sensitivity @ 8 Ω 1.94 V / 7.97 dBu
Max input level 6 V / 17.8 dBu
Input impedance 10 k
THD+N / S MPTE IMD < 0.08% @ 1/2 of f ull power
DIM100 IMD typ. <0.005% (<0.02% @ >0.1 W)
Slew rate 40 V/µs @ 8 Ω, input lter bypassed
Damping fac tor @ 8 Ω >500 0 @ 100 Hz

A/D converter
D/A converter
Frequency re sponse @ -3 dB 7 Hz - 22 kHz
THD < 0.01% (20 Hz - 20 kHz)
Presets Bank of 4 presets, management and upload via Armonía Pro Aud io Sui te™
Delay for time alignment 10 ms per output

Crossover lters Butte rwo rth, Li nkwitz-Riley, Bessel, 6 dB/oc t to 48 dB/oct

Output equalizer up to 12 biquad full y paramet ric per channel: peak ing, h i/lo shelving, hi/lo pass , band pass , band s top, all pass; suppor t for custom

Input equalizer up to 5 biqu ad lters ( PEQ, shelving, band pass, ba nd stop, all pass)
Limiters
Damping control

System Delay

Indicators 4 LEDs per channel: 3 x gree n, 1 x red

Controls
Maintenance

Audio signal input connectors

Loudspeaker output connectors 4 x Neutrik® Speakon NL4MD
Network dat a por t Ethernet
DSP preset selection
Aux voltage
AC main s
Controls

Dimensions W 483 mm / 19”, H 44.5 mm / 1 R U, D 358 mm / 14.1”
Chassis 1 mm (0.04”) steel chassis and s teel remov able dust cover, 3 mm (0.12”) s teel fron t pane l, scr ew hole protection, s teel s ide

Weig ht

Ω

CS5381, 2 channels, 24 bit / 4 8 kHz, 120 dB SNR
CS4398 , 2 chan nels , 24 bit / 48 kHz, 120 dB SNR

FIR lters up to 168 taps per channe l (useful for f > 700 Hz)

Peak limiter, RMS limiter, frequ ency dependen t RMS limiter
< 120 Hz, range ± 2 Ω
up to 170 ms for 2 IN/2 OUT or 34 0 ms for 1 I N/ 2 OUT

2 status LEDs: 1 x gr een, 1 x yellow
1 stepped level at tenuator pot per channe l; mai ns switch

Dust lter foam be hind f ront panel

4 x balan ced Neutr ik® X LR fem ale

1 x RJ45 with activity LED wi th 2 rotar y address s witches

2 x Pushbut ton (stepping through ba nk of 4 preset s); 2 x 4 LED pr eset i ndic ator s

1 x 2-pin Phoenix type MC 1.5/2-ST-3. 81
IEC C13 16 A connector; AC mains cord with 3-pin plu g 15 A for US, IEC Schuko 16 A for every other nation
2 x link switch, linking analog inpu ts 1 & 2 and 3 & 4

reinforcement & rear support

7.3 kg / 16 lb

1) DSP preset wit h high-pass lte r required.

2) DSP preset with high -pa ss lter and ou tpu t volt age limiter required .

▶

38