Crest Audio CPX 3800 owner manual Specifications, Cpxtm Series

Page 31

 

 

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

p.31

Image 31
Contents Cpxtm Power Amplifier Owner’s Manual Page Important Safety Instructions Bewahren SIE Diese Sicherheitshinweise AUF Gardez CES Instructions Guarde Estas Instrucciones Important precautions Table of contents Conventions How to use this manualWelcome IntroductionInstallation Option 3 Australia Connecting powerCooling requirements Operating precautionsConnecting outputs Connecting inputsFront panel Rear panel Features overviewAC Power Switch/Circuit Breaker Front panel switches and controlsInput Attenuators 3GCL Gain Comparator Limting LED IndicatorsSignal LED Power LEDRear panel legend IEC Mains ConnectorCrossover Switch 100 Hz crossover Low Cut SwitchHigh Out Jacks ¡ Amp Mode Select Switch Conn. Mode Select SwitchPage Stereo Parallel Bridged mono Operation modesStereo Gain Protection featuresLimiting IGM impedance sensing GCL gain comparator limitingThermal protection Turn-on/turn-off protection Autoramp signal controlSpeaker SafetySpeaker protection Amplifier maintenance and user responsibilityContact us Service and supportWeb site Mail Customer serviceSupport Technical supportCpxtm Series SpecificationsCable length in feet 5feet 10feet 40feet 80feet Glossary of terms for setup Setup cPage Crest Audio Limited Warranty 80303153