Specifications

14 TECHNICAL SPECIFICATIONS
MA1.3
INPUT IMPEDANCE 20kohms (balanced) 10kohms single ended
GAIN SELECT SWITCH 37dB (I/P sens 0.775V), 32dB (I/P sens 1.27V)
CMRR@1kHz >50dB
OUTPUT IMPEDANCE@1kHz 0.07 ohms
POWER BANDWIDTH 10Hz - 50kHz
SLEW RATE 40V/us
HUM/NOISE <-105dB
CHANNEL SEPARATION 1kHz - 90dB
10kHz - 75dB
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 - 600W 4 ohms 0.08%
THD at 1kHz and 600W 4 ohms 0.03%
DIM 30 at 300W 4 ohms 0.02%
CCIF (13 and 14kHz) at 200W 4 ohms 0.02%
SMPTE (60Hz and 7kHz) at 300W 4 ohms 0.05%
POWER MATRIX
LOAD CONFIGURATION POWER OUTPUT
16 ohms Stereo (2 channel) 190W
8 ohms Stereo (2 channel) 350W
4 ohms Stereo (2 channel) 650W
2 ohms Stereo (2 channel) 900W*
16 ohms Bridged mono 750W
8 ohms Bridged mono 1400W
4 ohms Bridged mono 1800W*
* Thermal protection may occur at high continuous power.
Power in watts (E1A 1kHz, 1% THD).
DIMENSIONS (W) 483mm x (H) 88mm x (D) 310mm
(W) 19ins x (H) 3.5ins x (D) 12.2ins
WEIGHT 8Kg (18lbs)
SHIPPING DIMENSIONS (W) 560mm x (H) 190mm x (D) 500mm
(W) 22.4ins x (H) 7.6ins x (D) 20ins
SHIPPING WEIGHT 10Kg (22lbs)
Martin Audio – MA1.3 Power Amplifier
ENGLISH
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