Crown Audio Specifications, Operation Manual, page, Performance, CP660 Power Amplifier

CP660 Power Amplifier

6 Specifications

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)
	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
Operation Manual		page 13