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High performance power amplifier
The Martin MA900 MA Series Power Amplifier is one of a versatile range of professional power amplifiers designed to meet the increasing demands of both the rental and installation markets whilst remaining cost efficient.
By harnessing a conventional toroidal transformer power supply with the latest semiconductor technology and a proprietary copper cooling system the Martin MA900 MA Series Power Amplifier amplifier offers outstanding sonic performance, power and reliability in a shallow (359mm) 2U package.
FEATURES
- Superior sonic performance
- Increased output current capacity
- Versatile input connections
- Removable dust filters
- Advanced protection circuits
- Multiple gain selection
- Soft Start
APPLICATIONS
- Live sound reinforcement
- Fixed installations
TECHNICAL SPECIFICATIONS Martin MA900 MA Series Power Amplifier
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MAX OUTPUT POWER
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EIA AT 1kHz AND 1% THD
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MLS in 0dB position
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8 OHMS PER CHANNEL
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280 W
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4 OHMS PER CHANNEL
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450 W
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2 OHMS PER CHANNEL
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675 W
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8 OHMS BRIDGED
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900 W
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4 OHMS BRIDGED
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1350 W
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MAX OUTPUT VOLTAGE
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8Ω LOAD
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47 Vrms
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PEAK VOLTAGE, NO LOAD
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76 V
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DISTORTION
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THD 20Hz - 20kHz AND I W TO FULL POWER
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0.07%
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THD AT 1kHz AND -1dB UNDER CLIP
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0.01%
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DIM AT -3dB UNDER CLIP
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0.008%
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HUM AND NOISE
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<-105dB
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CHANNEL SEPARATION @ 10kHz
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70dB
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OUTPUT IMPEDANCE
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30 mΩ
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SLEW RATE
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45 V/µs
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INPUTS
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GAIN SELECTABLE (dB)
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20, 23, 26, 29, 32, 35, 38, 41
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IMPEDANCE
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20 kΩ (balanced) 10 kΩ single ended
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COMMON MODE REJECTION
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50dB
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FRONT PANEL
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GAIN CONTROLS
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31 position detent
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INDICATORS: PROTECT
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Yellow LED
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INDICATORS: CLIP
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Red LED
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INDICATORS: SIGNAL PRESENT (-40dB)
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Green LED
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REAR PANEL
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INPUT CONNECTORS
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Neutrik Combo + 3 pin Phoenix
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CLIP LIMITERS
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On/off each channel
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POWER
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OPERATION VOLTAGE
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150-260V
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SOFT START
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Yes
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PEAK INRUSH CURRENT
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20 A
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FULL OUTPUT POWER
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230 V
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MIN START VOLTAGE
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180 V
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115V OPTION
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Yes
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CURRENT DRAW AT 4Ω/230V
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QUIESCENT POWER (NO LOAD)
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0.55 A rms
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1/8 OF FULL POWER (-9dB)
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3.5 A rms
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1/3 OF FULL POWER (-5dB)
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5.5 A rms
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AT FULL POWER (0dB) @ 1kHz 1%THD
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9.4 A rms
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DIMENSIONS
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WIDTH
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483mm (19ins)
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HEIGHT
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88mm (3.5ins) 2U
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DEPTH (incl. handles)
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359mm (14.1ins)
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WEIGHT
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14.5kg (32lbs)
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Martin MA900 MA Series Power Amplifier
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