MA18K
Lightweight, High Power, High Performance Power Amplifier
features
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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
technical specifications
MAX OUTPUT POWER
EIA AT 1KHz AND 1% THD
8Ω PER CHANNEL
2700W
5200W
9000W
5400W
10400W
18000W
4Ω PER CHANNEL
2Ω PER CHANNEL
16Ω BRIDGED
applications
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8Ω BRIDGED
Live sound reinforcement
Fixed installations
4Ω BRIDGED
DISTORTION
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THD FROM 0.1W TO FULL POWER
INTERMODULATION SMPTE
INTERMODULATION DIM 30
S/N RATIO
< 0.05% (typically)
< 0.05% (typically)
< 0.05% (typically)
>110dBA (20Hz to 20KHz)
> 5000 (20Hz to 20KHz)
60mΩ (User Selectable with
KDSP option)
The MA18K is one of three models extending the range of the
renowned MA Series power amplifiers. The MA18K 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 MA18K 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.
DAMPING FACTOR (8 ohm)
OUTPUT IMPEDANCE
SLEW RATE
INPUTS
GAIN SELECTABLE (dB)
IMPEDANCE
FRONT PANEL
DISPLAY
50V/µs
26, 29, 32, 35
10KΩ
Interactive LCD Matrix
2 x Multi-function 7 segment
LED Bargraph
INDICATORS
MENU NAVIGATION
NETWORK
4 x Digital Push Button
2 x RJ45
DATA STORAGE & TRANSFER
REAR PANEL
INPUT CONNECTORS
Smart Card Reader
overall dimensions
Neutrik XLR / 6.3mm (0.25ins)
Jack Combo
OUPUT CONNECTORS
LINK SWITCH
DATA PORT
POWER
Neutrik Speakon
Channel A-B Link
RS485 Via RJ45
OPERATION VOLTAGE
DIMENSIONS
WIDTH
HEIGHT
DEPTH
AC: 95-265V (50/60Hz)
483mm (19ins)
44mm (1.75ins) 1U
475mm (18.7ins)
12kg (26.5lbs)
WEIGHT
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]
All information is Copyright © 2007 Martin Audio Ltd.
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