MA12K

Lightweight, High Power, High Performance Power Amplifier

electronics

features

Worldwide mains operating voltage

Power Factor Correction

Over-temperature forecasting

Thermal, short-circuit and overload protection

Temperature controlled air cooling system

Clip and permanent signal limiter

Digital gain attenuation

User selectable maximum output power

User selectable maximum mains current draw

PC remote control, monitoring and diagnostics

applications

Live sound reinforcement

Fixed installations

The MA12K is one of three models extending the range of the renowned MA Series power amplifiers. The MA12K utilises the Pulse Width Modulation principal in combination with a high efficiency two stage switching power supply to deliver true class D operation with unparalled sonic performance and hitherto unobtainable power delivery. The MA12K operates at an astonishing 95% efficiency virtually regardless of output power, occupies only 1U of rack space and is a mere 12Kg (26.5lbs) in weight.

overall dimensions

technical specifications

MAX OUTPUT POWER

EIA AT 1KHz AND 1% THD 8Ω PER CHANNEL

4Ω PER CHANNEL

2Ω PER CHANNEL

16Ω BRIDGED

8Ω BRIDGED

4Ω BRIDGED

DISTORTION

THD FROM 0.1W TO FULL POWER INTERMODULATION SMPTE INTERMODULATION DIM 30

S/N RATIO

DAMPING FACTOR (8 ohm)

OUTPUT IMPEDANCE

SLEW RATE

INPUTS

GAIN SELECTABLE (dB)

IMPEDANCE

FRONT PANEL

DISPLAY

INDICATORS

MENU NAVIGATION NETWORK

DATA STORAGE & TRANSFER

REAR PANEL

INPUT CONNECTORS

OUPUT CONNECTORS

LINK SWITCH

DATA PORT

POWER

OPERATION VOLTAGE

DIMENSIONS

WIDTH

HEIGHT

DEPTH

WEIGHT

2000W

4000W

6000W

4000W

8000W

12000W

<0.05% (typically)

<0.05% (typically)

<0.05% (typically) >110dBA (20Hz to 20KHz)

>5000 (20Hz to 20KHz)

60mΩ (User Selectable with KDSP option)

50V/µs

26, 29, 32, 35 10KΩ

Interactive LCD Matrix

2 x Multi-function 7 segment LED Bargraph

4 x Digital Push Button

2 x RJ45

Smart Card Reader

Neutrik XLR / 6.3mm (0.25ins)

Jack Combo

Neutrik Speakon

Channel A-B Link

RS485 Via RJ45

AC: 95-265V (50/60Hz)

483mm (19ins) 44mm (1.75ins) 1U 475mm (18.7ins) 12kg (26.5lbs)

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 © 2007 Martin Audio Ltd.

www.martin-audio.com

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Martin Audio MA12K technical specifications Features, Applications, Overall dimensions Technical specifications

MA12K specifications

The Martin Audio MA12K is an advanced, high-performance amplifier designed for professional audio applications, offering remarkable power and efficiency in a compact format. This 12-channel amplifier delivers an impressive total output of 12,000 watts, making it an ideal choice for touring, large venues, and installation projects where superb sound quality is crucial.

One of the standout features of the MA12K is its lightweight design, utilizing a switching power supply that not only enhances portability but also improves reliability and energy efficiency. The amplifier's ability to deliver high current reserves means it can easily drive demanding loudspeakers with precision. This makes it particularly effective in environments where dynamic range and clarity are essential.

The MA12K incorporates advanced DSP (Digital Signal Processing) capabilities, allowing users to tailor the audio output to their specific needs. With its built-in processing, users can access presets for various loudspeakers from the Martin Audio range, ensuring optimal performance across different setups. This flexibility is further enhanced by the amplifier's ability to be controlled through a user-friendly interface, providing real-time monitoring and adjustments for complex setups.

In terms of connectivity, the MA12K is designed with versatile input and output options, including analog and digital inputs, enabling seamless integration into various audio systems. Whether utilized in a live sound environment or installed in a fixed location, the MA12K's connectivity options ensure it can accommodate diverse audio sources and routing requirements.

The durability of the MA12K is complemented by its robust chassis and effective thermal management system, allowing it to perform under the most demanding conditions without risk of overheating. This reliability ensures that users can depend on the amplifier for an entire show or event without worrying about performance dips.

Finally, the MA12K is engineered with careful attention to audio fidelity, producing accurate sound reproduction across the entire frequency range. With low distortion levels and a high signal-to-noise ratio, this amplifier is capable of delivering clear, powerful audio that meets the expectations of professionals in the sound industry.

In summary, the Martin Audio MA12K stands out in the marketplace for its powerful performance, advanced technologies, and exceptional versatility, making it a preferred choice for audio professionals seeking a reliable and high-quality amplification solution.