Martin-audio MA4.2s User Manual download pdf (Page 1)

MA4.2s

Light weight, high performance power amplifier

features

! Switch mode power supply

! Superior sonic performance

! Light weight

! Advanced protection circuits

! Efficient copper cooling system

! Minimum load switches (MLS™)

applications

! Live sound reinforcement

! Fixed installations

Century Point, Halifax Road, Cressex Business Park,

High Wycombe, Buckinghamshire HP12 3SL, England.

Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669

E-mail: [email protected]

The MA4.2s 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 MA4.2s enables it to set new standards in terms of

sonic accuracy, impact and clarity.

electronics

www.martin-audio.com

overall dimensions

technical specifications

MAX OUTPUT POWER

EIA AT 1 kHz AND 1% THD

MLS in 0dB position

8 PER CHANNEL 1300 W

4 PER CHANNEL 2300 W

2 PER CHANNEL 2900 W

8 BRIDGED 4600 W

4 BRIDGED 5800 W

MAX OUTPUT VOLTAGE

8Ω LOAD 102 Vrms

PEAK VOLTAGE, NO LOAD 145 V

DISTORTION

THD 20Hz – 20kHz AND 1 W TO FULL POWER 0.1%

THD AT 1kHz AND –1dB UNDER CLIP 0.04%

DIM AT –3dB UNDER CLIP 0.04%

HUM AND NOISE <-105dB

CHANNEL SEPARATION @ 10kHz 80dB

OUTPUT IMPEDANCE 60 mΩ

SLEW RATE 20 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 CONNECTOR XLR-male

CLIP LIMITERS On/off each channel

MLS SWITCH 0, -2, -4, -5dB

LINK-SWITH 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) 0.6 A rms

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

1/3 OF FULL POWER (-5dB) 14 A rms

AT FULL POWER (0dB) @ 1kHz 1%THD 26 A rms

DIMENSIONS

WIDTH 483mm (19ins)

HEIGHT 88mm (3.5ins) 2U

DEPTH (incl. handles) 393mm (15.5ins)

WEIGHT 10kg (22lbs)

E-mail: [email protected] 1

Summary of Contents

Page 1 - E-mail: [email protected]

MA4.2sLight weight, high performance power amplifierfeatures! Switch mode power supply! Superior sonic performance! Light weight! Advanced protection

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Martin-audio MA4.2s User Manual Page 1

Browse online or download User Manual for Receivers and Amplifiers Martin-audio MA4.2s. Martin Audio MA4.2s User Manual

Summary of Contents

Comments to this Manuals

Martin-audio MA4.2s User Manual Page 1

Browse online or download User Manual for Receivers and Amplifiers Martin-audio MA4.2s. Martin Audio MA4.2s User Manual

Summary of Contents

Comments to this Manuals

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