Light weight, high performance power amplifier   

 

The Martin MA1.6s MA Series Power Amplifier is one of a range of power amplifiers that have been designed to combine reliability and high power with sonic excellence. Utilising an advanced switch mode power supply, the amplifier is characterised by a very high power-to-weight ratio in a lightweight, 2U package. The innovative technology at the heart of the Martin MA1.6s MA Series Power Amplifier enables it to set new standards in terms of sonic accuracy, impact and clarity.

 

FEATURES

 

Switch mode power supply

Superior sonic performance

Light weight

Advanced protection circuits

Efficient copper cooling system

Minimum load switches (MLS^TM)

 

APPLICATIONS

 

Live sound reinforcement

Fixed installations

 

Martin MA1.6s MA Series Power Amplifier TECHNICAL SPECIFICATIONS

MAX OUTPUT POWER

EIA AT 1kHz AND 1% THD     

MLS in 0dB position    

8 OHMS PER CHANNEL         430 W

4 OHMS PER CHANNEL         840 W

2 OHMS PER CHANNEL         1200 W

8 OHMS BRIDGED     1680 W

4 OHMS BRIDGED      2400 W

 

MAX OUTPUT VOLTAGE

8Ω LOAD       59 Vrms

PEAK VOLTAGE, NO LOAD    85 V

 

DISTORTION

THD 20Hz - 20kHz AND 1 W TO FULL POWER       0.07%

THD AT 1kHz AND -1dB UNDER CLIP         0.01%

DIM AT -3dB UNDER CLIP  0.008%

HUM AND NOISE       <-105dB

CHANNEL SEPARATION @ 10kHz     70dB

OUTPUT IMPEDANCE 30 mΩ

SLEW RATE    60 V/µs

 

INPUTS

GAIN SELECTABLE (dB)       20, 23, 26, 29, 32, 35, 38, 41

IMPEDANCE    10 kΩ

COMMON MODE REJECTION 50dB

 

FRONT PANEL

GAIN CONTROLS       31 position detent

INDICATORS: PROTECT       Yellow LED

INDICATORS: CLIP    Red LED

INDICATORS: SIGNAL PRESENT (-40dB)    Green LED

 

REAR PANEL

INPUT CONNECTORS Neutrik Combo

LINK CONNECTORS   XLR-Male

CLIP LIMITERS          On/off each channel

MLS SWITCH 0 or -3dB

LINK - SWITCH         CH. A-B

 

POWER           

OPERATION VOLTAGE          130-270V

SOFT START   Yes

PEAK INRUSH CURRENT       5 A

FULL OUTPUT POWER          180 - 260 V

MIN START VOLTAGE          175 V

115V OPTION Yes

CURRENT DRAW AT 4Ω/230V          

QUIESCENT POWER (NO LOAD)       1 A rms

1/8 OF FULL POWER (-9dB) 6 A rms

1/3 OF FULL POWER (-5dB) 9 A rms

AT FULL POWER (0dB) @ 1kHz 1%THD      16 A rms

 

DIMENSIONS  

WIDTH          483mm (19ins)

HEIGHT         88mm (3.5ins) 2U

DEPTH (incl. handles)  325mm (12.8ins)

 

WEIGHT         8kg (18lbs)

 

Martin MA1.6s MA Series Power Amplifier