Specifications

MA2.8 Specifications
Input Impedance 20kohms (balanced) 10kohms single ended
Gain select switch 38dB (I/P sens 0.775V), 32dB (I/P sens 1.55V)
CMRR at 1kHz >50dB
Output impedance at 1kHz 0.06 ohms
Power Bandwidth 10Hz - 20kHz
Slew rate 20V/us
Hum/Noise <-105dB
Channel Separation 1Khz > 90dB
10Khz > 80dB
Mains Operating Voltage 120 - 270 (minimum start voltage 190)
full output power maintained 180 - 280V.
Optional (65 - 135V) operation.
Protection DC, High temperature, Turn on, VHF,
Over and under voltage, Clip limiters. Short
circuit.
Distortion
THD 20Hz - 20kHz and 1W –
1000W
THD at 1kHz and 1100W
DIM 30 at 500W
CCIF (13 and 14 kHz) at 500W
SMPTE (60Hz and 7kHz) at 500W
4 ohms 0.08%
4 ohms 0.03%
4 ohms 0.02%
4 ohms 0.03%
4 ohms 0.08%
Power Matrix
LOAD CONFIGURATION
16 ohms Stereo (2 channel)
8 ohms Stereo (2 channel)
4 ohms Stereo (2 channel)
2 ohms Stereo (2 channel)
16 ohms Bridged mono
8 ohms Bridged mono
4 ohms Bridged mono
[1] = Component tolerance
dependent
[2] = Continuous power, one channel
driven or peak power both channels
driven. Thermal protection may
occur at high continuous power.
Power in watts (EIA 1kHz, 1%
THD)
MLS SWITCH SETTING
(-5dB) (-4dB) (-2dB) (0dB)
160W 180W 340W 520W
300W 350W 650W 1100W
570W 680W 1100W 1400W
1900W[2]
1040W 1200W 1200W 1400W[1]
1400W[2] 2900W[2]
600W 700W 1300W 2000W
1200W 1400W 2200W 2800W
2100W 2400W 2400W 2800W[1]
Weight 10kg (22lbs)
Dimensions (W) 483mm x (H) 88mm x (D) 347mm
(W) 19ins x (H) 3.5ins x (D) 13.7ins
All material © 2007. Martin Audio Ltd. Subject to change without notice.
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