DA-2800
2,800 Watt Four-Channel
Professional Power Amplifier
DA-2800DSP
DA-2800
Preliminary Operating Instructions
www.procella-audio.com
DA-2800 Operating Instructions V0.4
This page intentionally left blank.
2
DA-2800 Operating Instructions V0.4
3
Table of contents
IMPORTANT SAFETY INSTRUCTIONS.............................................................................................................. 4
WARNING NOTICES....................................................................................................................................... 5
INTRODUCTION ............................................................................................................................................. 7
1 INSTALLATION AND OPERATION ............................................................................................................ 8
1.1 U
1.2 M
1.3 OPERATING P
1.4 AC MAINS CONNECTION ...................................................................................................................... 10
1.5 CONNECTING INPUTS ........................................................................................................................... 11
1.6 LINK SWITCH AND BRIDGED MODE…………………………………………………………………………….………………… 11
1.7 CONNECTING O
2 SETUP AND SETTINGS ........................................................................................................................ 13
2.1 INTRODUCTION .................................................................................................................................... 13
2.2 THE LED INDICATORS ............................................................................................................................ 13
3 PROTECTION ..................................................................................................................................... 14
3.1 TURN-ON/TURN-OFF MUTING ............................................................................................................. 14
3.2 SHORT CIRCUIT
3.3 THERMAL
3.4 DC FAULT PROTECTION ........................................................................................................................ 14
3.5 INPUT/OUTPUT
4 USER MAINTENANCE ......................................................................................................................... 15
4.1 C
4.2 S
4.3 DUST
5 WARRANTY ........................................................................................................................................ 16
6 ASSISTANCE ....................................................................................................................................... 16
7 PROCELLA LOUDSPEAKER PROGRAMMING (DA-2800DSP ONLY) ........................................................ 17
8 TECHNICAL SPECIFICATIONS................................................................................................................ 19
NPACKING
OUNTING
LEANING
ERVICE
................................................................................................................................................ 15
REMOVAL
............................................................................................................................................. 8
............................................................................................................................................. 9
RECAUTIONS
UTPUTS – SINGLE CHANNEL AND BRIDGED MODE
PROTECTION .................................................................................................................
PROTECTION ..........................................................................................................................
PROTECTION
............................................................................................................................................. 15
.................................................................................................................................... 15
................................................................................................................... 10
...................................................... 12
14
14
............................................................................................................... 14
3
DA-2800 Operating Instructions V0.4
4
Important safety instructions
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. 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 AND OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED
ON THIS APPARATUS"
"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 SHALL REMAIN READILY ACCESSIBLE"
SAFEGUARDS: Electrical energy can perform many useful functions. This unit has been
engineered and
potential electrical shock or fire
following instructions for its installation, use and servicing.
manufactured to assure your personal safety. Improper use can result in
hazards. In order not to defeat the safeguards, observe the
•
Read these instructions.
•
Keep these instructions.
•
Heed all warnings.
•
Follow all instructions.
•
Do not use this apparatus near water.
•
Clean only with 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 registers, stoves, or other apparatus
(including amplifiers) 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 fit 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
•
Unplug this apparatus during lightning storms or when unused for long periods of time.
•
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
attachments/accessories
specified by the manufacturer.
4
DA-2800 Operating Instructions V0.4
5
EXPLANATION OF GRAPHICAL SYMBOLS:
Lightning Flash Symbol, with "The Lightning Flash with arrowhead symbol within an equilateral
triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the
product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons".
Exclamation Point Symbol, with "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".
Location:
Warnings
Install the amplifier in a well-ventilated location where it will not be exposed to high temperature or humidity.
Do not install the amplifier in a location that is exposed to direct rays of the sun, or near to hot
appliances or radiators. Excessive heat can adversely affect the cabinet and internal components.
Installation of the amplifier in a damp or dusty environment may result in malfunction or accident.
Precautions regarding installation:
Placing and using the amplifier for long periods on heat-generation sources will affect performances.
Avoid placing the amplifier on heat-generating sources. Install this amplifier as far as possible from
tuners and TV sets. An amplifier installed in close proximity to such equipment may cause noise or
degradation of the picture.
WARNING: To prevent fire or electric shock:
•
the ventilation openings must not be impeded by any items as newspapers, table-clothes,
curtains, etc.; keep a distance of at least 50cm from the front and rear ventilation openings of
the amplifier.
•
do not expose this equipment to rain or moisture.
•
apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such
as vases, shall be placed on the apparatus.
5
DA-2800 Operating Instructions V0.4
6
Safety Rules
•
This device must be powered exclusively by earth connected mains sockets in
electrical networks compliant to the IEC 364 or similar rules.
•
Is absolutely necessary to verify this fundamental requirement of safety and, in case of
doubt, require an accurate check by a qualified personnel.
•
The constructor cannot be considered responsible for eventual damages caused to persons,
things or data for the missing of accurate earth link.
•
Before powering this device verify that the amplifier is supplied with the correct voltage rating.
•
Verify that your mains connection is capable to satisfy the power ratings of the device.
•
Do not spill water or other liquids into or on the unit.
•
Do not use this unit if the electrical power cord is frayed or broken.
•
Do not remove the cover. Removing the cover will expose you to potentially dangerous voltage.
•
No naked flame sources such like lighted candles should be placed on the amplifier
•
Provide sectioning breaker between mains connections and apparatus. Suggested device is
10A/250Vac
(230Vac mains voltage) or 16A/250Vac (110Vac mains voltage), C or D curve, 10KA.
•
Contact the authorized service center for ordinary and extraordinary maintenance.
Speaker damage
The DA-2800 amplifier is among the most powerful professional amplifiers available and therefore, if
used improperly, is capable of damaging Procella loudspeakers. Reduce power immediately if you hear
any clipping distortion or other distress such as a woofer "bottoming out" - harsh pops or cracking
distortion that indicate that the speaker voice coil or diaphragm is striking the magnet assembly.
Speaker output shock hazard
The DA-2800 amplifier is capable of producing hazardous output voltages. To avoid electrical
shock, do not touch any exposed speaker wiring while the amplifier is operating.
This manual contains important information on the proper and safe operation of your DA-2800
amplifier. Please read it carefully before operating your amplifier. If you have any questions,
contact your Procella dealer or distributor.
6
DA-2800 Operating Instructions V0.4
7
Introduction
Procella’s DA-2800 amplifier delivers professional quality audio amplification, in a highly efficient package that
delivers high power and long term reliability for any and all Procella Audio system installations.
Advanced Amplifier Technology
With advanced class-D technology, the DA-2800’s offers very high efficiency and delivers more power to the
loudspeakers with much reduced heat dissipation in comparison to conventional amplifiers. In addition, this
greater efficiency enables the dimensions, weight and power consumption of the amplifier to be reduced. The
output stages of the amplifiers typically run at 95% efficiency, dissipating only 5% of the input energy as heat.
One of the most interesting characteristics is that DA-2800's efficiency is almost independent of output level.
Conventional amplifiers achieve their best efficiency only at full rated power output. Since standard music has
an average power density of 40% of the maximum level, conventional amplifiers can easily generate 10 times
more heat than the DA-2800 for the same playback volume level.
Superior Sound Quality
The crystal-clear high frequencies and extraordinarily tight, well-defined low end of the DA-2800 make it one of
the most accurate audio reproducers available. Its patented design features ensure optimal sound quality and
very high measured performance in parameters such as distortion, frequency response, slew rate, power
bandwidth and dumping factor.
Digital Technology
The DA-2800 design is based on mature PWM technology that has been used for 30 years or more in power
supplies and inverters. PWM provides high reliability, small size, low weight and high efficiency. A PWM
converter works as a high frequency sampler, converting the variable amplitude (audio) signal into an impulse
sequence with average value equal to the audio input. The DA-2800 amplifier uses very high sampling
frequencies to ensure a very high level of performance across the audio band.
High Reliability
The DA-2800 has highly robust protection against virtually any possible problem in operation and is designed to
work under virtually all conditions. It delivers maximum power with maximum safety and increased long-term
reliability.
7
DA-2800 Operating Instructions V0.4
8
1. Installation and operation
1.1 Unpacking
Carefully open the shipping carton and check for any visible damage; the figure below shows how
the product is packed. Every Procella amplifier is completely tested and inspected before leaving the
factory and should arrive in perfect condition. If you find any damage, notify the shipping company
immediately. Be sure to save the carton and all packing materials for the carrier's inspection.
Your amplifier carton should have the following contents:
Amplifier
Operating Instructions
Four Neutrik Speakon speaker wire connectors
Link cable
Mains cable
8
DA-2800 Operating Instructions V0.4
9
1.2 Installation: Mounting
The DA-2800 amplifier is sized for a standard 19" rack mount, with four front panel mounting holes and
two rear mount lateral holes. The amplifier must be fixed into the rack at both the front and back to
avoid mechanical damage. Your DA-2800 amplifier uses a forced-air cooling system to maintain a low,
even operating temperature. Drawn by an internal fan, air enters through the slots in the front panel
and flows over and through components. The DA-2800 features an ‘intelligent’ variable-speed DC fan
that is controlled by heat sink temperature sensing circuits. Fan speed increases only when the
temperature of the heat sink requires it, keeping fan noise to a minimum and helping to cut dust
accumulation inside. Under extreme thermal load, the fan will force a very large volume of air through
the heat sink. If the heat sink gets too hot, its sensing circuit will reduce the output power. If the
amplifier overheats, another sensing circuit shuts down its circuit to cut off power until it cools to a
safe temperature.
The exhaust cooling air is forced out through the rear of the chassis (see below), so make sure there
is enough space around the sides of the amplifier to allow the air to escape. If it is rack mounted,
make sure the exhaust air can flow without resistance. Amplifiers may be stacked directly on top of
each other (no space needed between units), starting from the bottom of the rack.
9
DA-2800 Operating Instructions V0.4
10
1.3 Operating Precautions
Make sure the AC mains voltage matches the voltage printed on the cover of the amplifier. If your
amplifier does not have the correct voltage indicated, contact your dealer or distributor immediately.
Damage caused by connecting the amplifier to improper AC voltage is not covered by the warranty.
Make sure the power switch is off before making any input or output connections.
It is always a good idea to have the gain controls muted during power-up to prevent speaker
damage if there is a high signal level at the inputs.
Always use high quality interconnect and speaker cables. Most intermittent problems are caused by
faulty cables. Use good-quality connectors and wire to ensure trouble-free reliability.
1.4 AC Mains connection
Warning: before connecting the mains, be sure that the amplifier is set for the correct mains voltage.
The AC Mains connection is made via an IEC type connector on the rear side of the panel. The figure
below shows the connection to the amplifier. A locking clip is provided to assure a robust connection.
Be sure that your AC mains power source has the requirements indicated in this manual. For safety
reasons, It is very
the ground.
important that the amplifier’s ground is connected. Do not use adapters that disconnect
10
DA-2800 Operating Instructions V0.4
11
1.5 Connecting Inputs
Input connections are made via 3-pin XLR-male connectors to XLR jacks on the back panel of the
amplifier. Connection details are shown below. The proper wiring polarity for the XLR connector is
shown at right.
The figure below shows proper wiring for both balanced and unbalanced line inputs. Either type of
configuration can be used, but we recommend using balanced connections because unbalanced cables
(especially with long runs) can introduce noise into the audio system.
1.6 Link Switch and Bridged Mode
Each pair of inputs can be linked through a switch on the back panel of the amplifier. One switch links Input 1
and Input 2, and a second switch links Input 3 and Input 4.
For Bridged Mode operation, this switch must be set to “on” for the amplifier channel pair being bridged for
maximum output. The Link switch is also used when one input signal is to be reproduced by two amplifier
channels (such as for multiple subwoofers or surround channels).
When needed, the unused input connector of a linked connector pair can be used to connect an additional
amplifier channel, by using the Link cable provided with the amplifier. This is necessary with certain speaker
configurations, such as with the bridged channels needed for the P815 and the P18 loudspeakers. See Section
7, Programming, for applications where this is needed.
11
DA-2800 Operating Instructions V0.4
12
1.7 Connecting Outputs – Single Channel and Bridged Mode
Warning: there are lethal voltages at the loudspeaker connectors when the amplifier is turned
on. To prevent any damage, turn the amplifier off before connecting the loudspeakers.
Output connections are made via Neutrik Speakon connectors. The speaker wire for each channel will need to
be connected to a Speakon connector per the drawing below. In single channel mode, the 1+ pin of the
Speakon connector must be used for the positive output of the channel and the 1- pin of the Speakon
connector is to be used as the negative output of the channel. In bridged mode, the 2+ pin of the Speakon
connector is used for the positive output and the 2- pin is used for the negative output.
The figure below shows the wiring connection of the Speakons to the speakers. Pay attention to the
position of the Link switch: in Bridged Mode, set the Link switch to "on" and set the individual gain
controls of each pair of channels to the same level.
12
DA-2800 Operating Instructions V0.4
13
2. Setup and settings
2.1 Introduction
The figure below shows the front panel of the DA-2800. The front panel controls and indicators give
the user functional control and detailed operational information regarding the status of the amplifier.
The gain controls operate on a logarithmic scale from -8 to +32dB.
2.2 LED indicators
The figure below shows the front panel of the DA-2800 (two channels only).
- The CLIP LED illuminates when the output stage of the corresponding channel has reached
maximum output and is clipping.
-
The SIGNAL LED indicates that there is a signal present at the input stage of the corresponding
channel.
-
The -18dB and -6dB LEDs indicate output levels relative to maximum output.
-
The READY LED illuminates when the amplifier is ready to use and its operational status is
nominal.
-
The TEMP LED indicates that the output power for the corresponding channel is being limited
because of overheating
. See the next section for more information.
13
DA-2800 Operating Instructions V0.4
14
3. Protection
3.1 Turn-On/Turn-Off muting
For about four seconds after turn-on, and immediately at turn-off, the amplifier outputs are muted.
3.2 Short circuit protection
A short circuit protection system safeguards the amplifier's outputs against short circuits and other
stressful loads. It is completely inaudible when inactive. In case of a short circuit, the red LED will
illuminate. The amplifier reset protection mode resets after 2 seconds.
3.3 Thermal protection
The DA-2800 amplifier uses a continuously variable speed fan to assist cooling (the fan speed changes
in response to the amplifier's cooling needs). If the heatsink temperature reaches approximately 75°C,
the TEMP LED illuminates, and the output power is reduced to prevent damage to the output stage. If
the temperature is more than 85°C the thermal sensing circuitry will mute each power section
channels. Once the heatsink has cooled down, the amplifier will automatically unmute, and the LED
shuts off at 75°C. The amplifier temperature can be lowered by reducing the output power.
3.4 DC fault protection
If DC or excessive subsonic energy appears at a channel output, an instantaneous protection circuit
will mute both channels of the amplifier. This amplifier shutdown protection is used in place of
speaker relays, thereby improving the damping factor and reliability of the DA-2800 amplifier.
3.5 Input/Output protection
An ultrasonic network decouples RF from the outputs and keeps the amplifier stable with reactive loads.
14
DA-2800 Operating Instructions V0.4
15
4. User maintenance
4.1 Cleaning
Disconnect the amplifier from the AC main source first; use a soft cloth and mild non-abrasive
solution to clean the faceplate and chassis.
4.2 Service
There are no user-serviceable parts in your DA-2800 amplifier. Refer servicing to qualified technical personnel.
In addition to having an in-house service department, If your DA-2800 amplifier needs repair, contact
your Procella dealer or distributor, or contact the Procella Service department, to determine where
your amplifier should be sent for repair service.
4.3 Dust removal
Especially in a dusty environment, the front side filters clog with dust after prolonged use, this will
interfere with cooling. You may use compressed air to remove the dust from filters. To remove air
filters (see the figure below) , unscrew two M2.5X6 screws and pull off the covering grill.
15
DA-2800 Operating Instructions V0.4
16
5. Warranty
Procella Audio components are warranted to be free from original manufacturing defects as follows:
For all speaker and crossover components, for a period of five years from date of delivery to the original
purchaser from an authorized dealer.
For all amplifier components, for a period of two years from date of delivery to the original purchaser from an
authorized dealer.
The Procella Audio obligation under this warranty is limited to repairing or replacing any component which it
shall find defective in material or workmanship under normal non-commercial conditions of use. This warranty
shall not apply to products which have been abused, modified, disassembled or repaired by anyone other than
Procella Audio or one of its appointed service centers.
Products to be repaired under this warranty must be returned to the factory or designated service center with
all transportation and insurance charges prepaid.
All warranties of whatever character are void and unenforceable if the component or any part thereof is not
purchased from an authorized dealer.
This warranty is in lieu of all other warranties, expressed or implied, and of all other obligations or liabilities on
our part, and Procella Audio neither assumes nor authorizes any other person to assume for it, any other
liability in connection with the sale, repair, or return of any product.
We encourage all Procella owners to register their components. While this is not required to receive warranty
benefits, it will allow you to receive warranty coverage without providing proof of purchase, and it will enable
us to keep you advised of Procella product information, new products, and updates.
6. Assistance
Your local Procella dealer or distributor will be happy to provided support if there are any
problems with your amplifier or if you need any additional information. If you cannot contact
your local dealer or distributor, please send an email to support@procella-audio.com.
Additional contact information is on the back cover of this manual.
Do not ship any unit to Procella for service without obtaining Return Authorization (RMA).
V
16
DA-2800 Operating Instructions V0.4
7. Procella Loudspeaker Programming (DA-2800 DSP Only)
Located on the back panel of the DA-2800 are two buttons
labeled PRESET, each with four adjacent LED indicators. The
layout is shown at left.
Each time a button is pressed, it advances the DSP setting to
the next preset. The active preset is indicated by the
illuminated LED. The right Preset button (Preset 1) controls
Channels 1 and 2, and the left Preset (Preset 2) button controls
Channels 3 and 4.
Each of these presets is pre-programmed with DSP settings
customized for Procella loudspeakers. The standard DA-2800
has presets to cover the majority of applications necessary for
Procella loudspeakers.
The P860 requires a custom configuration of the DA-2800, which should be ordered along with the
loudspeakers. In addition, custom configurations for other speaker combinations are also available by
special order. Please contact your Procella dealer or distributor for more information.
CAUTION: Use these presets ONLY with the specific speakers designated below. Use of the wrong preset
can cause high levels of distortion and result in speaker damage that is not covered by warranty.
The charts on the next page below list the standard DA-2800DSP Preset configurations and the correct
settings for each speaker. In some cases, such as with the P815-FP, one or two amplifier channels are
available to drive either speakers (P6 or P8), or subwoofers (P10 and P15). These additional options are
shown on the charts.
Instructions:
PRESET shows which numbered PRESET (on the back panel of the amplifier) should be used.
LINK shows the correct setting for the LINK switch and where the Link cable should be used.
INPUT shows which inputs should be used and where inputs are unused.
OUTPUT shows which outputs should be used for each speaker.
17
DA-2800 Operating Instructions V0.4
PRESET 1 (Right)
PRESET 2 (Left)
Connect Link
Cable?
LINK Ch.1+Ch.2
LINK Ch.3+Ch.4
INPUT Ch. 1
INPUT Ch. 2
INPUT Ch. 3
INPUT Ch. 4
OUTPUT Ch. 1
OUTPUT Ch. 2
OUTPUT Ch. 3
OUTPUT Ch. 4
PRESET 1 (Right)
PRESET 2 (Left)
Connect Link
Cable?
LINK Ch.1+Ch.2
LINK Ch.3+Ch.4
INPUT Ch. 1
INPUT Ch. 2
INPUT Ch. 3
INPUT Ch. 4
OUTPUT Ch. 1
OUTPUT Ch. 2
OUTPUT Ch. 3
OUTPUT Ch. 4
P815-FP
P18-FP
(1 subwoofer)
1 2 3
1 2 3
Input 2 to Input 3 Input 2 to Input 3 No
On On On
On Off On
P18 P815 P610 (A)
Link cable to 3 Link cable to 3 not used
Link cable to 2 Link cable to 2 P610 (B)
not used P15-FP or P10-FP not used
P18 driver 1 -
Bridged
not used not used
P18 driver 2-
Bridged
not used P15-FP or P10-FP
P6 or P8
(1 or 2 speakers)
AND
P15-FP or P10-FP
(1 or 2 subwoofers)
4 4 3
4 3 4
No No No
Off Off On
Off On Off
P6 or P8 (A) P6 or P8 (A) P610
P6 or P8 (B) P6 or P8 (B) not used
P10 or P15 (A) P610 P10 or P15 (A)
P10 or P15 (B) - P10 or P15 (B)
P6 or P8 (A) P6 or P8 (A)
P6 or P8 (B) P6 or P8 (B)
P10 or P15 (A)
P10 or P15 (B)
(1 speaker)
AND
1 P15-FP or 1 P10-FP
P815 Low Pass -Bridged
P815 HF
P610 (1 speaker)
AND
P6 or P8
(2 speakers)
P610
Low Pass
P610
High Pass
P610
(2 speakers)
P610 (A)
Low Pass
P610 (A)
High Pass
P610 (B)
Low Pass
P610 (B)
High Pass
P610 (1 speaker)
AND
P15-FP or P10-FP
(1 or 2 subs)
P610
Low Pass
P610
High Pass
P10 or P15 (A)
P10 or P15 (B)
18
DA-2800 Operating Instructions V0.4
8. Technical specifications
POWER REQUIREMENTS
Power supply
Operating
Weight
External dimensions
AUDIO SECTION
Bandwidth (1W, 8 ohm )
Damping factor (8 ohm)
Slew Rate (8 ohm)
S/N ratio
Distortion THD, DIM,
Inputs
……………….……………………….....................................................…...
Impedance
Gain
...........................................32dB (32,30,28,26,24,22,20,18,14,4,-oo
Outputs
OUTPUT
SPECIFICATIONS
Power Watts (EIAJ) per channel (all channels driven 1KHz, 1% THD, 115 or 30 V mains)
FEATURES
LED bars indicators / Over-temperature forecasting / Thermal protection / Short circuit
protection / Over-load output protection / Temperature controlled air cooling system / Clip
limiter and permanent signal limiter /Gain control / Auto-reset system / Parallel inputs switch /
Input signal presence LED
.…………..............AC
100-115V or 230V (factory selection), +15 / -25%, 50-60Hz, 7.5 / 3A
temperature.......................................…….................................................................
.........................................................................…..……...........................................................
.......................................................
Standard rack 19” (W), 1 Units (H), 358 mm (D)
……………………................................……….……………………………....…….
....…………………..........................................................................
………………………..………….....................………..……........
>40V/u s (Input filter bypassed)
………………………...…………………..........................……...……………………..
SMPTE...............................................………………….....
< 0.5% from 1W to full power
>113 dB/A (20Hz to 20KHz)
at 100Hz > 5000
.Balanced to ground, XLR female
………..……………….…….........................………………….........10Kohm
each leg balanced to ground
control knob detent selection)
………………....................................Neutrik
4-pole Speakon connectors (pins 1+/1- 2+/2- bridged)
4 Ω
4 X 700W
8 Ω
4 X 360W
8 Ω bridged
2 X 1400W
16 Ω bridged
2 X 720W
0°C - 45°C
7.3Kg
10Hz-30KHz
19
DA-2800 Operating Instructions V0.4
Procella Audio Svenska AB
Sollentuna, Sweden
Voice: +46 (8) 624 24 60
Email: contact@procella-audio.com
Web: www.procella-audio.com
Procella Audio USA, LLC
Venice, CA 90291
Voice: +1 (310) 572-1070
Email: contact@procella-audio.com
Web: www.procella-audio.com
20
DA-2800 Operating Instructions V0.4
Loading...