MACKIE M2600 User Manual

Page 1

M•2600

 The Mackie Designs M•2600 is a dual channel,

high output power amplier that incorporates a number of unique features including FR “Fast Recovery” design, high continuous current output, and a T-Design constant gradient cooling tunnel for improved cooling efciency and output device reliability.

 The M•2600 is rated at a continuous output of

425 watts per channel into 8Ω, 700 watts per channel into 4Ω and 1000 watts into 2Ω. In bridge mode the M•800 is rated at 1400 watts into 8Ω and 2000 watts into 4Ω. Variable low-cut lters on each channel with a range from off to 170Hz enable tighter bass response. The built-in limiter helps eliminate clipping. Inputs are balanced/unbalanced 1/4" and XLR, and XLR thru outputs are switchable to send either the full-range signal, or the post-crossover low-frequency or high-frequency output, to another amplier. Speaker connections on the M•2600 are 1/4" and Speakon® connectors, with an additional Speakon output for mono bridge operation. An amp mode switch selects stereo, mono, or bridge operation.

 To effectively deal with clipping, an amplier must

be able to recover almost instantaneously. That is the denition of “Fast Recovery.” Rather than using negative feedback to help control clipping distortion, the M•2600 employs a very sparse amount of negative feedback. The use of Baker Clamp circuits on the positive and negative voltage amp stages prevents saturation (and latching) during periods of overdrive. In addition, a transistor senses when the Baker Clamp is active and activates the internal limiting circuits. This results in no latching, instant recovery from overdriving the amp, and a superior sound.

(continued on page 3)

High-Current Power Amplier

Features

 2600 watts max, 2000 watts continuous @ 4 ohms

bridged

 Ultra-low-noise/low-distortion design  Fast Recovery circuitry reduces distortion at clipping  Two 2nd order, 12 dB/octave, Bessel low-cut lters

with variable frequency from Off to 170Hz

 Two superior design 4th order Linkwitz-Riley active

crossovers (24 dB/octave)

 Selectable crossover points of 60, 90, or 120Hz  Limiter with on/off switch  Balanced/unbalanced 1/4" and XLR inputs  XLR input loop-throughs, selectable for full-range,

high-pass, or low-pass output

 Speakon® and 5-way binding post output connectors  Detented gain controls calibrated in dB and volts  Signal present and OL LEDs  Channel Status LEDs  Superior T-Design cooling  Five-year, limited warranty (U.S. only)

AMPLIFIER

M•2600

R E L A T E D P R O D U C T S

M•800/M•1400/M•1400i Power Ampliers,

1202-VLZ PRO 12-Channel Mic/Line Mixer, 1402-VLZ PRO 14-Channel Mic/Line Mixer, 1604 VLZ PRO 16-Channel Mic/Line Mixer, 1642-VLZ PRO 16-Channel Mic/Line Mixer, SR24•4-VLZ PRO 24 Channel Mic/Line Mixer, SR32•4-VLZ PRO 32 Channel Mic/Line Mixer, CFX Series 12, 16, and 20 Channel Mic/Line Mixer w/Digital Effects, C300 2-Way Loudspeaker, S500 2-Way Loudspeaker, SWA1501 and SWA1801 Active Subwoofers.

Applications

 Live sound/music reinforcement for churches,

clubs, schools, conference centers, hotels

 High level A/V playback

 Large speech systems

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M•2600

M•2600 Specications

AMPLIFIER

Maximum Power mid-band at 1% THD:

500 watts per channel into 8 ohms 850 watts per channel into 4 ohms 1300 watts per channel into 2 ohms 1700 watts into 8 ohms bridged mono 2600 watts into 4 ohms bridged mono

Continuous Sine Wave Average Output Power, both channels driven (20Hz - 20kHz):

M•2600

425 watts per channel into 8 ohms <0.025% THD 700 watts per channel into 4 ohms <0.050% THD 1000 watts per channel into 2 ohms <0.1% THD

Bridged mono operation (20Hz - 20kHz):

1400 watts per channel into 8 ohms: <0.05% THD 2000 watts per channel into 4 ohms <0.1% THD

Power Bandwidth:

20Hz to 70kHz (+0, –3dB) @ 700 Watts into 4 ohms

Frequency Response:

20Hz to 40kHz (+0, –1dB) 10Hz to 70kHz (+0, –3dB)

Distortion:

THD, SMPTE IMD, TIM <0.025%@8Ω <0.050%@4Ω <0.150%@2Ω

Signal to Noise Ratio

>107dB relative to rated power into 4 ohms

Channel Separation:

>80dB@1kHz

Damping Factor:

>350 from 0 to 400Hz

Input Impedance:

24kΩ balanced bridging

Input Sensitivity:

1.23 volts (+4 dBu) for rated power into 4 ohms

Gain:

32.7 dB (voltage gain of 43)

Maximum Input Level:

9.75 volts (+22 dBu)

Rise Time:

<5 µs

High-Current Power Amplier

Slew Rate:

Voltage Slew Rate >60V/µs Current Slew Rate >30A/µs at 2Ω

CMRR:

>40 dB, 20Hz to 20kHz

Transient Recovery:

<1µs for 20dB overdrive at 1kHz

High-Frequency Overload and Latching:

No latch up to any frequency or level

Variable Low-Cut Filter:

10Hz (Off) to 170Hz, 2nd Order Bessel

Internal Crossover:

Switched 60Hz/90Hz/120Hz, 4th Order Linkwitz-Riley Amplier input is low-pass ltered when switched to sub-

woofer mode Low-pass and high-pass outputs switchable to thru output

jacks

Limiter Section:

Complementary Positive and Negative Peak Detecting

Indicators:

6 meter LEDs per channel

SIG (Signal Present), –20, –9, –6, –3, OL (Overload)

CH1 & 2

PROTECT LEDs SHORT LEDs

TEMP STATUS

COLD/HOT LEDs

Power Consumption:

1650 watts (18.2A) with musical program fully loaded (2Ω per side, or 4Ω bridged)

AC Line Power:

US 120 VAC, 60Hz Europe 240 VAC, 50/60Hz Japan 100 VAC, 50/60Hz Korea 220 VAC, 60Hz

AC Drop-out Voltage:

At approximately 63% of rated line voltage

Physical:

Height: 5.20" (132mm) Width: 19.00" (483 mm) Depth: 15.65" (398 mm) Overall Depth: 16.67" (423 mm) Weight: 55 lbs (25 kg)

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M•2600

19.00" (483mm)

ventilation slots

(do not cover)

17.24" (438mm)

Depth 15.65" (398mm)

NOTE: The Depth is measured from the rear face of the rack ears

5.2" (132mm)

Overall Depth 16.67" (423mm)

GAIN/dB

POWER

GAIN/dB

PROFES SIONAL POWER AMPLIF IER

FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN

High-Current Power Amplier

(continued from page 1)

 The M•2600 uses a unique T-Design constant gradi-

ent cooling tunnel that draws air in through the front of the amplier and forces it through the amplier’s sides. The T-Tunnel design provides a shorter, more direct path for cool air. This allows for reduced heat build up and cooler transistor operation.

 The amplier has a subwoofer mode that allows

you to turn on the built-in subwoofer crossover. When activated, the signals appearing at the left and right inputs are summed, directed to a low-pass lter, and routed to both output stages. A switch selects the cutoff frequency of the lter at 60Hz, 90Hz, or 120Hz.

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M•2600

–

CH.1 100 VDC

–

CH.1 115 VDC

–

CH.2 115 VDC

ROIDAL POWER

TRANSFORMER

LAMP

FUSE

MACKIE DESIGNS

M•2600

BLOCK DIAGRAM

9/21/1998

LOW CUT

FILTER

CROSSOVER

INVERTER

(FOR BRIDGED MONO

OPERATION)

FREQ

CH.1 GAIN

CH.2 GAIN

60-90-120Hz

THRU–LOW–HIGH

LIMIT–OFF-LOW OUT

POWER

SWITCH

IN-RUSH

LIMIT

30 VDC

+15 VDC

-15 VDC

22 VA

–

CH.2 100 VDC

TRANSFORMER

THERMAL

LINE INPUT

(1/4" TRS)

LINE INPUT

(XLR-FEMALE)

THRU OUTPUT

(XLR-MALE)

STEREO-MONO-BRIDGED

LIMITER

CONTROL

CH–1

CH–2

LOW

HIGH

LOW CUT

FILTER

CROSSOVER

FREQ

SHORT

IN-RUSH CONTROL

THRU–LOW–HIGH

LIMIT–OFF-LOW OUT

LINE INPUT

(1/4" TRS)

LINE INPUT

THRU OUTPUT

(XLR-MALE)

60-90-120Hz

LOW

HIGH

SHORT 1

(THE SHORT LEDS ARE

JOINED IN BRIDGED MODE)

LIMITER

CHANNEL 1

POWER

AMPLIFIER

FUSE

OUTPUT

RELA

–100VDC

–115VDC

22VAC

FUSE

+100VDC

+15VDC

+115VDC

METER

DRIVE

–3

–6

–9

–20

SIG

PROTECT

SHOR

SHORT

CH 1

SIG

CH.

SPEAKER

OUT

CH.

SPEAKER

OUT

CH.

SPEAKON

CH.

SPEAKON

BRIDGED

MONO

SPEAKON

PROTECTION CIRCUITRY

MUTE

DC OFFSET

OTECT

SHORT

OUTPUT ST

AGE CURRENT

OUTPUT ST

AGE VOLTAGE

TRANSIENT SOA FL

STEADY STATE SOA FLT

OUTPUT DISSIP

ATION

LOW VOLTAGE DETECT

IN-RUSH CONTROL

CH.1 DISSIPATION

MUTE

LIMITER

CHANNEL 2

POWER

AMPLIFIER

FUSE

OUTPUT

RELA

–100VDC

–115VDC

22VAC

FUSE

+100VDC

+15VDC

+115VDC

METER

DRIVE

–3

–6

–9

–20

SIG

PROTECT

SHOR

CH 2

SIG

PROTECTION CIRCUITRY

MUTE

DC OFFSET

OTECT

SHOR

OUTPUT ST

AGE CURRENT

OUTPUT STAGE VOLTAGE

TRANSIENT SOA FLT

STEADY STATE SOA FLT

OUTPUT DISSIPATION

LOW VOLTAGE DETECT

IN-RUSH CONTROL

CH.2 DISSIPATION

MUTE

+30VDC

-30VDC

HOT LED

COLD LED

CH.1 MUTE

CH.2 MUTE

C MUTE

C UN-MUTE

C MUTE

C UN-MUTE

CH 1

TEMP

SENSOR

CH 2

TEMP

SENSOR

OVER TEMPERATURE

DETECTOR

TRANSFORMER

THERMAL SWITCH

VARIABLE SPEED FAN CONTROLLER

C – 65

C SPEED CONTROL CH.1

C – 65

C SPEED CONTROL CH.2

FAN IDLE/VARIABLE CH.1 POWER DETECTOR

FAN IDLE/VARIABLE CH.2 POWER DETECTOR

CH.1 DISSIPATION

CH.2 DISSIP

ATION

FAN

SHORT 2

(THE CHANNELS ARE

SUMMED IN MONO

OR BRIDGED MODE)

M•2600 Block Diagram

High-Current Power Amplier

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T R I M 3 / 4 ” O F F T H I S E D G E

Page 5

M•2600

–3

–6

–9

–2

–3

–6

–9

–2

SIGOLSIG

2719

1.23v (+4dBu)

SENSITIVITY

GAIN/dB

PROTECT

COLD HOT

SHORT

TEMP STATUS

INTERNAL STATUS

CH 1&2

POWER

1.23v (+4dBu)

SENSITIVITY

GAIN/dB

PROFE SSIONAL POWER AMPL IFIER

FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN

SERIAL NUMBER

MANUFACTURING DATE

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CA UTI ON

2600 WATTS

4 OHM LOAD MIN.

120 VAC 60 Hz

2000 WATT

STEREO TYPICAL

MONO BRIDGE

• THE FOLLOWING ARE REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", AND THE "RUNNING MAN" FIGURE •

CONCEIVED AND DESIGNED BY MACKIE DESIGNS INC • WOODINVILLE

1300 WATTS / CH

2 OHM LOAD MIN.

CHANNEL

MONO BRIDGE

TYPICAL

35 Hz

CHANNEL

TYPICAL

CAUTION

LETHAL VOLTAGES MAY APPEAR AT OUTPUT

TERMINALS. CLASS 1 WIRING IS REQUIRED

SPEAKER OUTPUTS

LOW CUT FILTER

INPUT

CROSSOVER

SWITCHED OUTPUT

BALANCED

UNBALANCED

170 Hz

100 Hz

OFF

STAGE

MONITOR

90Hz

LOW OUT

HIGH OUT

THRU

LOW OUT

HIGH OUT

THRU

120Hz

60Hz

CROSSOVER

90Hz

120Hz

60Hz

AMP MODE

BRIDGED

MONO

OUTPUT APPLICATION

BALANCED

UNBALANCED

LIMITER

(CH1 & CH2)

LOW OUT

(SUB WOOFER)

OFF

CH's

SUMMED

FULL

RANGE

LOW CUT FILTER

170 Hz

100 Hz

OFF

STAGE

MONITO

TYPICAL

35 Hz

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO

QUALIFIED PERSONNEL.

AVIS:

RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

PIN 1+CH1+ PIN 1

–

CH1

–

PIN 2+ & 2–NOT USED

PIN 1

+ CH2+

PIN 1

–

CH2

–

PIN 2+ & 2–NOT USED

PIN 1

+BRIDGE+

PIN 1

–

BRIDGE

–

PIN 2+ & 2–NOT USED

THRU

––

–

High-Current Power Amplier

T R I M 3 / 4 ” O F F T H I S E D G E

Architects’ and Engineers’ Specications

1. GENERAL. The amplier shall have a free-standing

frame with front and rear brackets for rack-mounting, and supplied with four resilient feet suitable for table-top placement. The amplier shall be capable of two-channel operation, with a switch to place the amplier into single-channel operation by bridging the outputs of the two channels.

2. POWER OUTPUT. The two-channel power amplier

shall deliver a rated continuous average sine wave power output over a 20Hz to 20kHz bandwidth of 425 watts RMS into 8 ohms per channel, 700 watts into 4 ohms, and 1000 watts into 2 ohms with both channels operating, with no more than 0.05% total harmonic distortion. In single-channel operation it shall deliver 1400 watts RMS into 8 ohms and 2000 watts into 4 ohms, with no more than 0.10% total harmonic distortion.

The power amplier shall deliver a maximum continuous average sine wave power output at mid-band of 500 watts RMS into 8 ohms per channel, 850 watts into 4 ohms, and 1300 watts into 2 ohms with both channels operating, with no more than 1% total harmonic distortion. In single-channel operation it shall deliver 1700 watts RMS into 8 ohms and 2600 watts into 4 ohms, with no more than 1% total harmonic distortion.

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3. POWER SUPPLIES. All necessary operating voltages for

the amplier shall be provided by an internal power supply. A master power switch shall be located on the front panel along with a green power-indicating light.

4. INPUT CHANNEL CONNECTIONS. Each monaural input

channel shall have an electronically balanced line-level input, presenting no less than a 20k ohm impedance to the source. Each input shall have an input sensitivity of +4 dBu, requiring no more than 1.23V RMS to be driven to rated output into a 4-ohm load. The input connector shall appear on the rear panel as a female XLR-3 type connector. In addition, each monaural input channel shall have a parallel 1/4" TRS phone jack and a male XLR-3 type connector, which can be used as inputs or “thru” jacks for daisy-chaining the input signal to another amplier, or a high- or low-frequency crossover output for subwoofer applications. Pin 2 of the XLR connectors, and the tip of the 1/4" TRS phone jack, shall be noninverting.

5. INPUT CHANNEL LEVEL CONTROLS. Each monaural

input channel shall be equipped with a gain control appearing on the front panel, each having 20 detent positions, and calibrated in dB and volts.

6. FRONT PANEL INDICATORS. Each channel shall have

an associated six-segment LED meter appearing on panel, capable of displaying signal present, –20 dB,

(continued on page 6)

the front

–9 dB,

Page 6

M•2600

(continued from page 5)

AMPLIFIER

–6 dB, –3 dB, and overload. Each channel shall have internal status LEDs appearing on the front panel to indicate activation of protect mode and short-circuit protection. Two temperature status LEDs shall appear on the front panel, one to indicate normal operation (COLD) and one to indicate thermal protection (HOT).

High-Current Power Amplier

7. PROTECTION FEATURES. The amplier shall pro-

vide delayed activation of the outputs at turn-on. Each channel shall have a short-circuit protection circuit for detecting excessive current ow at the output that, when

M•2600

activated, mutes the output for four seconds. The shortcircuit protection shall continuously cycle on and off until the shorted condition is remedied. The amplier shall have a thermal protection circuit to protect the power devices from over-temperature operation. The circuit shall activate when the internal temperature crosses the safeoperating threshold and, when activated, mute the outputs until the internal temperature cools to a safe-operating temperature, at which time amplier shall resume normal operation. The amplier shall have a fan to cool the heat-producing internal components, drawing cool air in from the front, and exhausting warm air out through both sides. The fan speed shall be variable, the speed being determined by the internal temperature and the signal level present at the output. The amplier shall have an SCR crowbar circuit to protect the speakers against a catastrophic amplier failure. The circuit shall activate in the presence of continuous DC at the speaker outputs, and shall shut the amplier down by turning off the highvoltage rails.

8. OUTPUT CONNECTIONS. Each channel shall have

a heavy-duty 5-way binding post speaker output connector appearing on the rear panel, with 3/4" spacing for accommodating standard double banana plugs as well as spade lugs or bare wires. Each channel shall have a Neutrik brand Speakon® output jack appearing on the rear panel in parallel with the binding post. A separate Speakon® connector shall be provided for the bridged mode mono output.

9. AMP MODES. The amplier shall have a three-way

switch appearing on the rear panel for selecting the mode of operation, which shall include stereo (two channels in, two channels out), mono (one channel in, two channels out), and bridge (one channel in, one channel out, bridged between both speaker outputs).

10. OUTPUT APPLICATIONS. The amplier shall have

a three-way switch appearing on the rear panel for selecting between limiter on, limiter off, and subwoofer mode. The defeatable electronic limiter circuit shall sense the onset of clipping and shall limit the input signal and thereby prevent the output from clipping.

11. CROSSOVER. Each channel shall have a 4th order

Linkwitz-Riley, 24 dB/octave crossover with switch-selectable crossover frequencies of 60, 90, or 120Hz. When the subwoofer mode is selected, the two input channels shall be summed and the low-frequency output from the crossover shall be routed to the selected channel. In the fullrange modes, the high- or low-frequency output of the crossover may be routed to the input thru connector via a rear panel switch.

11. LOW-CUT FILTER. Each channel shall have a low-

cut lter with a variable frequency control appearing on the rear panel covering a range of 10Hz (OFF) to 170Hz.

12. PHYSICAL CONFIGURATION. The amplier shall

be rack-mountable with rear support rails for extra support, and shall have a steel chassis frame painted grayblack. The amplier shall be 19" wide (483 mm), 5.2" (3U) tall (132mm), and 16.67" deep (423 mm), and shall weigh 55 pounds (25 kg).

13. DESIGNATION. The power amplier shall be a

Mackie Designs M•2600.

Electronic les for this product available at: www.mackie.com

This Specication Sheet M2600_SS.PDF Owner/Operator’s Manual M2600_OM.PDF CADD les M2600.DXF

Mackie Designs Inc. continually engages in research related to product improvement. New material, production methods, and design renements are introduced into existing products without notice as a routine expression of that philosophy. For this reason, any current Mackie Designs product may differ in some respect from its published description, but will always equal or exceed the original design

www.mackie.com

16220 Wood-Red Road NE, Woodinville, WA 98072 USA

888.337.7404, fax 425.487.4337, sales@mackie.com

UK +44.1268.571.212, fax +44.1268.570.809, uk@mackie.com ITALY +39.0522.354.111, fax +39.0522.926.208, italy@mackie.com FRANCE +33.3.85.46.91.60, fax +33.3.85.46.91.61, france@mackie.com GERMANY +49.2572.96042.0, fax +49.2572.96042.10, germany@mackie.com

Part No. 091-211-00 Rev. A 6/02

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