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P O W E R A M P L I F I E R
3
M A I N S S U P P L Y
3.6 Mains Power Consumption and Current Draw
Operating
condition
Voltage
Mains
current
Mains power
consumption
Continuous
output power
2) 3)
Power
factor
Thermal dissipation
BTU/h
Overall Efficiency
4)
Q-P
O
WER 14
Amplifier standby
(power off)
230 V
0,6 A
< 2 W
0 W
~ 0,00
< 2 W
6,8
n/a
120 V
0,4 A
100 V
0,3 A
Idle (amplifier
powered on)
230 V
0,9 A
130 W
0 W
0,61
130 W
443
n/a
120 V
1,2 A
0,92
100 V
1,3 A
0,96
1/8th output power
1)
230 V
9,5 A
2 100 W
1 500 W
0,95
600 W
2 047
71 %
120 V
18,0 A
2 150 W
0,97
650 W
2 218
69 %
100 V
21,5 A
2 200 W
0,97
700 W
2 388
68 %
1/4th output power
2)
230 V
17,5 A
3 950 W
3 000 W
0,97
950 W
3 242
76 %
120 V
34,0 A
4 050 W
0,99
1 050 W
3 583
74 %
100 V
41,0 A
4 100 W
0,99
1 100 W
3 753
73 %
Full output power
3)
230 V
max. 75 A
max. 15 400 W
13 000 W
0,99
2 300 W
7 848
85 %
120 V
max. 106 A
max. 12 220 W
10 000 W
0,99
2 200 W
7 507
82 %
100 V
max. 106 A
max. 10 100 W
8 000 W
0,99
2 100 W
7 165
79 %
1) Measured with pink noise @ 4 x 375 W / 2,7 Ω load (with crest factor of 12 dB to represent typical music signal).
2) Measured with 1 kHz continuous sine-wave @ 4 x 750 W / 2,7 Ω load. Duration limited by FuseProtect™ / MCB limiter and amplifier heating (thermal limiter).
3) Measured with 1 kHz sine-wave burst signal, @ 4 x 2,7 Ω load, THD <= 1%, min. 500 ms burst duration.
4) The overall efficiency is the ratio of the delivered output power to the mains power consumption. It indicates how much of the consumed mains input power is effectively delivered to the
loudspeakers.
l
NOTE on mains current
The values given here are typical values only, measured on a standard outlet.
The actual instantaneous mains current draw can vary depending on the
music signal and the mains characteristics (especially the mains imped-
ance) of any specific installation. But it will never be larger than the maxi-
mum values at full output power indicated in the table.
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