All material © 2010 Martin Audio Ltd. Subject to change without notice
39
7.2
Thermal Dissipation
Martin Audio MA12K & MA12KDSP
Level
Load
Rated
Power
AC Mains
Watt
Thermal Dissipation
230V AC 115V AC
Out
In
Dissipated BTU/hr
Kcal/hr
Switch off or remote power off by software*
0.86
0.52
0
2.95
2.95
10
2.5
Power on, amplifier in idle mode
0.8
1.6
0
160
160
546
138
Watt
Ampere
Watt
BTU/hr
Kcal/hr
Pink Noise
(1/8 rated
power)
8Ω / Stereo
2 x 2000
3.4
6.8
500
625
285
847
214
16Ω / bridged 1 x 4000
4Ω / stereo
2 x 4000
6.1
12.2
1000
1250
410
1244
314
8Ω / bridged
1 x 8000
2Ω / stereo
2 x 6000
8.8
17.6
1500
1875
535
1668
421
4Ω / bridged 1 x 12000
Pink Noise
(1/4 rated
power)
8Ω / Stereo
2 x 2000
5.9
11.9
1000
1250
410
1147
290
16Ω / bridged 1 x 4000
4Ω / stereo
2 x 4000
11.3
22.6
2000
2500
660
1943
491
8Ω / bridged
1 x 8000
2Ω / stereo
2 x 6000
16.8
33.5
3000
3750
910
2791
705
4Ω / bridged 1 x 12000
*Power absorbsion with amplifier switched off is not zero because to comply with EN60065/IEC 60065:2001-
12 all amplifier circuitry must include a “bleed” resistor across the incoming AC mains power to discharge
residual current to prevent the risk of shock from an amplifier disconnected from the mains.
