Martin Audio – MA1.3s Amplifier
ENGLISH
16
12 SPECIFICATIONS MA1.3S
MAXIMUM OUTPUT POWER EIA @1kHz 1% thd FTC 20 – 20kHz @ 0.1% thd
8Ω per Channel
350W 340W
4Ω per Channel
650W 630W
2Ω per Channel
1100W 1050W
8Ω Bridged
1400W 1300W
4Ω Bridged
2200W 1900W
MAXIMUM OUTPUT VOLTAGE
8Ω load 53Vrms
Peak voltage, no load 78Vrms
POWER REQUIREMENTS 230V version 115V version
Operating voltage 130 – 270 Vac 65 – 135Vac
Minimum start up voltage 175Vac 85Vac
Peak inrush current 5A 5A
MAINS CURRENT DRAW @ 4 Ohms 230V version 115V version
Quiescent current (no load) 0.9 Arms 1.8 Arms
1/8
th
Full power (both channels driven) 5.0 Arms 10 Arms
1/3
rd
Full power (both channels driven) 8.0 Arms 16 Arms
Full power (1Khz @1% thd) 14.0Arms 28.0 Arms
DISTORTION
THD 20Hz – 20KHz 1W to full power 0.07%
THD @ 1KHz 1dB below clip 0.01%
DIM 30 @ 3dB below clip 0.008%
HUM / NOISE < -105dB
CHANNEL SEPERATION -70dB
OUTPUT IMPEDANCE 30mΩ
SLEW RATE 40VµS
INPUTS
DIP switch selectable gain Ref
4Ω for full power
Impedance 20KΩ Differential
10KΩ Single ended
c.m.r.r. 50dB
DIMENSIONS (W) 483mm x (H) 88mm x (D) 325mm (incl. Handles)
(W) 19ins x (H) 3.5ins x (D) 12.8ins (incl. Handles)
WEIGHT 7.9Kg (17Ibs)
Gain dB 20 23 26 29 32 35 38 41
Input dBu +16.7 +13.7 +10.7 +7.7 + 4.7 +1.7 - 1.3 - 4.3
Input V rms 5.30 3.75 2.65 1.88 1.33 0.94 0.67 0.47
All material © 2007. Martin Audio Ltd. Subject to change without notice.
