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M•2600

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High-Current Power Amplifier

High-Current Power Amplifier

M•2600

AMPLIFIER

M•2600

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Mackie Designs Inc. continually engages in research related to product improvement. New material, 
production methods, and design refinements 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 
specifications unless otherwise stated. ©1999-2002 Mackie Designs Inc. All rights Reserved. Mackie and 
the “Running Man” figure are registered trademarks of Mackie Designs Inc.

Part No. 091-211-00  Rev. A  6/02

www.mackie.com

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

888.337.7404, fax 425.487.4337, [email protected]

UK

 +44.1268.571.212, fax +44.1268.570.809, [email protected]

ITALY

 

 +39.0522.354.111, fax +39.0522.926.208, [email protected]

FRANCE

  +33.3.85.46.91.60, fax +33.3.85.46.91.61, [email protected]

GERMANY

  +49.2572.96042.0, fax +49.2572.96042.10, [email protected]

High-Current Power Amplifier

M•2600

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M•2600

AMPLIFIER

 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 filters 

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)

   Applications

  Live sound/music reinforcement for churches, 

     clubs, schools, conference centers, hotels

 High level A/V playback

 Large speech systems

M•2600

 

The Mackie Designs M•2600 is a dual channel, 

high output power amplifier 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 efficiency and output device reli-
ability.

 

The M•2600 is rated at a continuous output of 

425 watts per channel into 8

Ω

, 700 watts per chan-

nel into 4

Ω

 and 1000 watts into 2

Ω

. In bridge mode 

the M•800 is rated at 1400 watts into 8

Ω

 and 2000 

watts into 4

Ω

. Variable low-cut filters on each chan-

nel 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 
amplifier. 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 amplifier must 

be able to recover almost instantaneously. That is the 
definition of “Fast Recovery.” Rather than using nega-
tive 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 pos-
itive and negative voltage amp stages prevents satu-
ration (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 over-
driving the amp, and a superior sound.

(continued on page 3)

M

800/

M

1400/M•1400i Power Amplifiers, 

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 Loud-
speaker, SWA1501 and SWA1801 Active Subwoofers.

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Summary of Contents for FR Series M.2600

Page 1: ... 2000 watts into 4Ω Variable low cut filters on each chan nel 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 amplifier Speaker connections on the M 2600 ...

Page 2: ...t 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 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 170H...

Page 3: ...n constant gradi ent cooling tunnel that draws air in through the front of the amplifier and forces it through the amplifier 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 amplifier has a subwoofer mode that allows you to turn on the built in subwoofer crossover When activated the signals appear...

Page 4: ...SIG CH 1 SPEAKER OUT CH 2 SPEAKER OUT CH 1 SPEAKON CH 2 SPEAKON BRIDGED MONO SPEAKON PROTECTION CIRCUITRY MUTE DC OFFSET PROTECT SHORT OUTPUT STAGE CURRENT OUTPUT STAGE VOLTAGE TRANSIENT SOA FLT STEADY STATE SOA FLT OUTPUT DISSIPATION LOW VOLTAGE DETECT IN RUSH CONTROL CH 1 DISSIPATION MUTE LIMITER CHANNEL 2 POWER AMPLIFIER FUSE OUTPUT RELAY 100VDC 115VDC 22VAC FUSE 100VDC 15VDC 15VDC 115VDC METER...

Page 5: ...ut signal to another amplifier or a high or low frequency crossover output for subwoofer applications Pin 2 of the XLR connec tors and the tip of the 1 4 TRS phone jack shall be non inverting 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 cali brated in dB and volts 6 FRONT PANEL INDI...

Page 6: ...s 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 sig nal level present at the output The amplifier shall have an SCR crowbar circuit to protect the speakers against a catastrophic amplifier failure The circuit shall activate in the presence of continuous DC at the speak...

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