MA1400

High performance power amplifier

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

The MA1400 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 MA1400 amplifier offers outstanding sonic performance, power and reliability in a shallow (359mm) 2U package.

overall dimensions

electronics

technical specifications

MAX OUTPUT POWER

 

EIA AT 1 kHz AND 1% THD

 

8 PER CHANNEL

425 W

4 PER CHANNEL

700 W

2 PER CHANNEL

1050 W

8 BRIDGED

1400 W

4 BRIDGED

2100 W

MAX OUTPUT VOLTAGE

 

8LOAD

58 Vrms

PEAK VOLTAGE, NO LOAD

91 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 m

SLEW RATE

45 V/µs

INPUTS

 

GAIN SELECTABLE (dB)

20, 23, 26, 29, 32, 35, 38, 41

IMPEDANCE

20 k(balanced) 10 ksingle ended

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 + 3 pin Phoenix

CLIP LIMITERS

On/off each channel

POWER

 

OPERATION VOLTAGE

150-260 V

SOFT START

Yes

PEAK INRUSH CURRENT

20 A

FULL OUTPUT POWER

230 V

MIN START VOLTAGE

180 V

115V OPTION

Yes

CURRENT DRAW AT 4/230V

 

QUIESCENT POWER (NO LOAD)

0.75 A rms

1/8 OF FULL POWER (-9dB)

5.2 A

1/3 OF FULL POWER (-5dB)

8.0 A

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

14.0 A

DIMENSIONS

 

WIDTH

483mm (19ins)

HEIGHT

88mm (3.5ins) 2U

DEPTH (incl. handles)

359mm (14.1ins)

WEIGHT

17kg (37lbs)

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: info@martin-audio.com

All information is Copyright © 2003 Martin Audio Ltd.

www.martin-audio.com

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Martin Audio MA1400 technical specifications Features, Applications, Overall dimensions, Technical specifications

MA1400 specifications

The Martin Audio MA1400 is a high-performance power amplifier designed to deliver exceptional audio quality and reliability for various sound reinforcement applications. Renowned for its robust build and advanced technologies, the MA1400 is particularly favored by professionals in live sound, installation, and touring environments.

One of the core features of the MA1400 is its power output, providing a substantial 1400 watts per channel at a 4-ohm load. This impressive wattage ensures that the amplifier can handle demanding audio tasks, from electrifying concerts to dynamic public speaking events. Its ability to drive multiple loudspeakers simultaneously while maintaining sound clarity is a hallmark of the Martin Audio brand.

In terms of design, the MA1400 incorporates a rugged chassis, which not only provides durability but also contributes to efficient cooling. The amplifier is equipped with a highly efficient class H topology, which helps to minimize power consumption while ensuring high-quality audio performance. This efficiency is further enhanced by the built-in limiter circuitry, which protects the connected speakers from potential damage caused by clipping.

The MA1400 also features comprehensive connectivity options, including XLR inputs and Neutrik speakON outputs, facilitating seamless integration with various audio systems. The amplifier supports both stereo and bridged operation modes, offering versatility depending on the specific application and setup requirements.

Another significant aspect of the MA1400 is its user-friendly interface, which includes LED indicators for power, signal presence, and overload. This allows sound engineers and technicians to monitor performance easily and make real-time adjustments when necessary.

Additionally, the MA1400 exhibits impressive sonic transparency and low distortion levels, ensuring that audio reproduction remains faithful to the original source. These characteristics make it an ideal choice for users seeking a reliable amplifier that does not compromise on sound quality.

Overall, the Martin Audio MA1400 stands out for its powerful performance, resilience, and versatility, making it a preferred choice for professionals seeking to achieve optimal sound in a wide range of environments. Whether in a concert hall or an outdoor festival, the MA1400 delivers the reliability and audio excellence that sound engineers rely on, affirming Martin Audio's reputation as a leader in professional audio solutions.