Owner's Manual

7 Specifications
General Power Amplifier Specifications (0dBu = 0.775V rms)
Amplifier Model CA1.54 CA1.52 CA1.04 CA1.02 CA504 CA502
Maximum Output Power - in Watts
CEA-2006/490A, 20ms 1kHz 1%THD+N, 480ms 1kHz -20dB, 120VAC, all channels driven at rated load
Low Z output, per channel
2 Ohm 1500 1500 1000 1000 500 500
4 Ohm 1500 1500 1000 1000 500 500
8 Ohm 750 750 500 500 250 250
Low Z output, per bridged channel pair*
4 Ohm 3000* 3000* 2000* 2000* 1000* 1000*
8 Ohm 3000* 3000* 2000* 2000* 1000* 1000*
70V/100V* output
70V 1500 (direct) 1500 (direct) 1000 (direct) 1000 (direct) 1000* (bridged) 1000* (bridged)
100V 3000* (bridged) 3000* (bridged) 2000* (bridged) 2000* (bridged) 1000* (bridged) 1000* (bridged)
*May require Class 3 speaker wiring, all others use Class 2 wiring. See section 2.3
Total Power Draw - in Watts, all channels driven, 1/8 power sinewave
Standby 22 13 19 10 17 8
Idle (no signal) 100 31 70 40 34 17
1/8 max power 975 485 675 335 345 172
Total Current Draw - in Amps, all channels driven, 1/8 power sinewave, 120VAC (divide by 2 for 240VAC)
Standby mode 0.39 0.24 0.37 0.21 0.35 0.2
Idle (no signal) 0.68 0.36 0.64 0.34 0.5 0.27
1/8 max power 8.9 4.2 6 3 3 1.5
Total Thermal Dissipation - in BTU/hour with typical input, all channels driven, 120VAC
Standby mode 76 44 65 32 57 28
Idle (no signal) 209 105 184 96 115 57
1/8 max power, 4 Ohm 648 314 474 229 266 120
1/8 max power, 2 Ohm 754 355 576 269 304 148
Input Sensitivity - in Volts(rms) and dBu, per back panel DIP Switch gain settings
@26dB gain 3.87V
(+14.0dBu)
3.87V
(+14.0dBu)
3.16V
(+12.2dBu)
3.16V
(+12.2dBu)
2.24V
(+9.2dBu)
2.24V
(+9.2dBu)
@32dB gain 1.94V
(+8.0dBu)
1.94V
(+8.0dBu)
1.58V
(+6.2dBu)
1.58V
(+6.2dBu)
1.12V
(+3.2dBu)
1.12V
(+3.2dBu)
@38dB gain 0.97V
(+2.0dBu)
0.97V
(+2.0dBu)
0.79V
(+0.2dBu)
0.79V
(+0.2dBu)
0.56V
(-2.8dBu)
0.56V
(-2.8dBu)
@1.4V gain 1.4V
(+5.1dBu)
1.4V
(+5.1dBu)
1.4V
(+5.1dBu)
1.4V
(+5.1dBu)
1.4V
(+5.1dBu)
1.4V
(+5.1dBu)
10
CA Amplifier • Operating Manual