Crest Audio CPX Series - Technical Specifications; Rated Power and Load Impedance

13
CPX 4
Rated Power @ 120 VAC or 240 V
AC
Stereo* Mode
2 Ω, 1 kHz, 1% THD (RMS per channel) 800 W
4 Ω, 1 kHz, 1% THD (RMS per channel) 1,600 W
8 Ω, 1 kHz, 1% THD (RMS per channel)

1,005 W
Bridge* Mode (Mono)
8 Ω, 1 kHz, 1% THD (RMS) 3,200 W
4 Ω, 1 kHz, 1% THD (RMS) 1,600 W
Minimum Load Impedance 2 Ω
Maximum RMS Voltage per channel 97 V
Frequency Response +0, -2 dB @ 1 W
Stereo mode, both channels driven +0, -2 dB @ 1 W 12 Hz - 35 kHz
Hum & Noise
"A" weighted, reference to rated power @ 8 Ω > 88 dB
Crosstalk
@ 1 kHz, at rated output power @ 8 Ω > -55 dB
Input Sensitivity RMS Voltage
@ rated output power, 4 Ω 1.95 V
Input Impedance
Balanced, XLR (pin 2 positive) & TRS 1/4" Jack 10 kΩ
Overall System Gain per Channel 40X (+32 dB)
Distortion (THD)
Stereo Mode, both channels driven, 20 Hz - 20 kHz, 10 dB, 4 Ω < 0.1%
Slew Rate > 12 V/µs
Damping Factor 8 Ω, 20 Hz -2 kHz
Stereo Mode, both channels driven, 8 Ω, 20 Hz -2 kHz > 400:1
Topology Class H
Limiter (GCL - switchable) Yes
Input Connectors
Input 2 x 3-pin XLR - 1/4" Jack (TRS) Combo
Link 2 x 1/4" Jack (TRS) High Out
Output Connectors
Stereo Mode 2 x 4-pin Twist-Lock
Bridge Mode 1 x 4-pin Twist-Lock
Crossover
Switchable per channel 100 Hz (4th order Linkwitz-Riley)
Low Cut
Switchable per channel -3 dB @ 40 Hz (12 dB per Octave)
Mode Select Stereo & Bridge Mode
Cooling System
Temperature dependent, air flow - back to front 2 x Two-Speed DC Fan
Protection
Amp Full short circuit, open circuit
Over-temp thermal
RF
Stable into any load
Specifications