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Lightweight, High Power, High Performance Power Amplifier
The Martin MA18K MA Series Power Amplifier 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 Martin MA18K MA Series Power Amplifier 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.
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
TECHNICAL SPECIFICATIONS Martin MA18K MA Series Power Amplifier
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MAX OUTPUT POWER
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EIA AT 1KHz AND 1% THD
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8Ω PER CHANNEL
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2700 W
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4Ω PER CHANNEL
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5200 W
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2Ω PER CHANNEL
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9000 W
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16Ω BRIDGED
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5400 W
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8Ω BRIDGED
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10400 W
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4Ω BRIDGED
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18000 W
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DISTORTION
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THD FROM 0.1W TO FULL POWER
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< 0.05% (typically)
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INTERMODULATION SMPTE
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< 0.05% (typically)
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INTERMODULATION DIM 30
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< 0.05% (typically)
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SIGNAL TO NOISE RATIO
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>110dBA (20Hz to 20KHz)
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DAMPING FACTOR (8 ohm)
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> 5000 (20Hz to 20KHz)
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OUTPUT IMPEDANCE
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60mΩ (User Selectable with KDSP option)
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SLEW RATE
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50V/µs
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INPUTS
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GAIN SELECTABLE (dB)
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26, 29, 32, 35
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IMPEDANCE
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10KΩ
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FRONT PANEL
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DISPLAY
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Interactive LCD Matrix
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INDICATORS
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2 x Multi-function 7 segment LED Bargraph
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MENU NAVIGATION
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4 x Digital Push Button
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NETWORK
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2 x RJ45
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DATA STORAGE & TRANSFER
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Smart Card Reader
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REAR PANEL
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INPUT CONNECTORS
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Neutrik XLR / 6.3mm (0.25ins) Jack Combo
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OUPUT CONNECTORS
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Neutrik Speakon
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LINK SWITCH
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Channel A-B Link
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DATA PORT
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RS485 Via RJ45
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POWER
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OPERATION VOLTAGE
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AC: 95-265V (50/60Hz)
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DIMENSIONS
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WIDTH
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483mm (19ins)
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HEIGHT
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48mm (1.75ins) 1U
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DEPTH (incl. handles)
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475mm (18.7ins)
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WEIGHT
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12kg (26.5lbs)
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Martin MA18K MA Series Power Amplifier
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