Crown Audio CP660 - Manual (Page 13)

CP660 Power Amplifi er
Operation Manual page 13
at 8-ohm rated power, 1 kHz, True THD < 0.3%
Intermodulation Distortion (IMD)
60 Hz and 7 kHz at 4:1, from 8-ohm rated output to –35 dB < 0.25%
Damping Factor (8 ohm) 20Hz to 400Hz > 250
DC Output Offset (shorted input) < ±50 millivolts
Input Impedance, nominal
balanced, unbalanced 20 k ohms, 10 k ohms
Load Impedance (rated)
Note: Safe with all types of loads.
Stereo 4-8 ohms
Bridge-Mono 8 ohms
6 Specifi cations
Minimum Guaranteed Power (watts), 120 VAC, 60 Hz
Dual Mode, 1 channel / 1 load
1 kHz with <0.3% THD
4 ohm (per ch.) 130
8 ohm (per ch.) 90
Dual Mode, 4 channels / 4 loads
1 kHz with 0.3% THD
4 ohm (per ch.) 100
8 ohm (per ch.) 70
Dual Mode, 6 channels / 6 loads
1 kHz with 0.3% THD
4 ohm (per ch.) 75
8 ohm (per ch.) 60
Bridge-Mono Mode, 2 channels / 1 load
1 kHz with 0.3% THD
8 ohm (per ch.) 250
Bridge-Mono Mode, 4 channels / 2 loads
1 kHz with 0.3% THD
8 ohm (per ch.) 200
Bridge-Mono Mode, 6 channels / 3 loads
1 kHz with 0.3% THD
8 ohm (per ch.) 150
Performance
Sensitivity (volts RMS)
for full rated power at 8 ohms 0.7
Frequency Response (at 1 watt) 20Hz - 20kHz +0/–1 dB (see Figure 6.1)
Phase Response (degrees at 1 watt) 20Hz to 10kHz ±15 (see Figure 6.2)
Signal to Noise Ratio
A-weighted, below 8-ohm rated power > 100 dB
Total Harmonic Distortion (THD)