Martin Audio MA3.0 User manual

MA3.0

Lightweight, High Performance Amplifier

features

Switch-mode power supply

Advanced Class D Output Stage

Low inrush current

Built-in clip limiters

Variable speed cooling fan

Comprehensive front panel indicators

Fully protected circuitry

Compact, lightweight

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]

www.martin-audio.com

technical specifications

electronics

Adding to the range of MA Series amplifiers is the new MA3.0.

At 1U and 7.3kg (16lbs) this amplifier offers unparalleled

performance in a compact, light weight, cost effective

package. Delivering up to 1500 watts per channel (4 ohm) this

amplifier provides the power and quality that will more than

meet the requirements of small to medium sized applications

such as stage monitors, installed and portable sound

reinforcement. With Clip Limiting, DC, VHF, Thermal and AC

protection built in as standard, this new additions to the MA

range of amplifiers will continue to supply peak performance

and power over many years of service.

MAX OUTPUT POWER

EIA AT 1KHz AND 1% THD

8W PER CHANNEL

900W

4W PER CHANNEL

1500W

2W PER CHANNEL

2700W (10ms peak power)

8W BRIDGED

3000W

4 W BRIDGED

5200W (10ms peak power)

DISTORTION

THD FROM 0.1W TO FULL POWER

< 0.1% (Typically)

INTERMODULATION SMPTE

< 0.1% (Typically)

INTERMODULATION DIM 100

< 0.01% (Typically)

S/N RATIO

> 105dBA (20Hz to 20kHz)

DAMPING FACTOR (8 )W

> 100 @ 100Hz

SLEW RATE (8 )W

20 V/µs

GAIN

32dB

FRONT PANEL

LED INDICATORS

Signal

Clip

Protect

Thermal Forecast

REAR PANEL

INPUT CONNECTORS

2 x XLR (Female) Input

2 x XLR (Male) Link

OUTPUT CONNECTORS

2 x Neutrik Speakon

LINK SWITCH

Channel A-B Link

POWER

OPERATION VOLTAGE

AC: 115V or 230V (+15% - 25%)

(internal selection)

50/60Hz

DIMENSIONS

WIDTH

483mm (19ins)

HEIGHT

44mm (1.75ins) 1U

DEPTH

358mm (14ins)

WEIGHT

7.3kg (16lbs)

overall dimensions 440.0mm [17.32"]

19.6mm [0.77"]

5.5mm [0.22"]

44.0(1U)

482.0mm [18.98"]

326.0mm [14"]

346.0mm [13.62"]

MA3.0

-18dB

SIGNAL

READY TEMP

-6dB

CLIP

- -

dB dB

+32 +32

REAR RACK SUPPORT

FIXINGS

MA3.0

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