specifications

a

CPXTM Series

CPX 3800

 

 

 

 

 

 

Rated Power Bridged 8 ohms

2650 watts @ 1 kHz at <0.1% T.H.D.

 

 

 

Rated Power (2 x 4 ohms)

1300 watts per channel @ 1 kHz at <0.05% T.H.D. both channels driven

 

 

 

Rated Power (2 x 8 ohms)

775 watts per channel @ 1 kHz at <0.05% T.H.D. both channels driven

 

 

 

Rated Power (1 x 4 ohms)

1500 watts @ 1 kHz at <0.05% T.H.D.

 

 

 

Rated Power (1 x 8 ohms)

875 watts @ 1 kHz at <0.05% T.H.D.

 

 

 

Minimum Load Impedance

4 ohms

 

 

 

Maximum RMS Voltage Swing

93 volts

 

 

 

Frequency Response

10 Hz - 100 kHz; +0, -2 dB at 1 watt

 

 

Power Bandwidth

10 Hz - 35 kHz; +0, -3 dB at rated 4 ohm power

 

 

T.H.D. (2 x 4 ohms)

<0.1% @ 1050 watts per channel from 20 Hz to 20 kHz

 

 

T.H.D. (2 x 8 ohms)

<0.1% @ 700 watts per channel from 20 Hz to 20 kHz

 

 

 

 

 

 

Input CMRR

>- 55 dB @ 1 kHz

 

 

 

Voltage Gain

x40 (32 dB)

 

 

 

Crosstalk

> -55 dB @ 1 kHz at rated power @ 8 ohms

 

 

 

 

 

 

 

 

Hum and Noise

> -108 dB, “A” weighted reference to rated power @ 8 ohms

 

 

Slew Rate

> 15V/us

 

 

Damping Factor (8 ohms)

> 500:1 @ 20 Hz - 1 kHz

 

 

Phase Response

+5 to - 12 degrees from 20 Hz to 20 kHz

 

 

Input Sensitivity (x40)

1.8 volts +/- 3% for 1 kHz, 4 ohm rated power

 

 

Input Impedance

15 k ohms, balanced

 

 

Current Draw @ 1/8 Power

1185 watts @ 4 ohms

 

 

 

 

720 watts @ 8 ohms

 

 

 

Current Draw @ 1/3 Power

2975 watts @ 4 ohms

 

 

 

 

1835 watts @ 8 ohms

 

 

 

Cooling

Two front panel temperature dependent variable speed 80 mm DC fans

 

 

 

Controls

2 front panel attenuators, rear panel Mode switches

 

 

 

Indicator LEDs

2 GCL (gain comparator limiting), 2 Signal presence, 2 Active Status

 

 

 

Protection

Thermal, DC, turn-on bursts, subsonic, incorrect loads

 

 

 

Connectors

Per channel, Combi XLR & 6.3 mm phone input, Speakon® and Binding Post speaker

 

 

 

output, 15 amp IEC mains connector

 

 

Construction

14 ga. steel with cast front panel and cast handles

 

 

 

 

 

 

Dimensions

88.9 mm x 482.6 mm x 376.3 mm + 31.8 for rear support ears and connectors

 

 

 

 

(3.5" x 19" x 14.81" + 1.25”) + 38.1 mm (1.5”) handle depth

 

 

 

Net Weight

19.5 kg (43 lbs)

 

 

 

Gross Weight

20.6 kg (45.5 lbs)

 

 

 

 

 

 

 

All power measurements made at 120 VAC, power transformer cold. 4 ohm power is time limited by magnetic circuit breaker.

All power measurements made at 120 VAC, power transformer cold, 2 ohm power is time limited by magnetic circuit breaker

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Crest Audio CPX 3800 owner manual Specifications, Cpxtm Series