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Technical Specifications: CPS3, CPS4      

Amplifier at rated conditions, both channels driven with 8 ohms loads, unless otherwise specified.

CPS3 

 

 

 CPS4

Load Impedance 

 

 4 

 

 2 

Maximum Midband Output Power

 

560W

900W

 1200W  

850W

1300W 1800W

THD=1%, 1kHz

 

Rated Output Power

 

500W

800W

 1000W  

750W

1200W 1500W

THD< 0.1%, 20Hz ... 20kHz

Maximum Bridged Output Power

1800W  2400W  ———  

2600W 3600W ———

THD=1%, 1kHz

 

 

Maximum  RMS Voltage Swing

 

72V

 

91V

THD=1%, 1kHz

Voltage Gain

37dB

 

 

39dB

at 1 kHz

Slew Rate

 

 35V/µs  

 

 

40V/µs

Power Consumption

1300W  

 

 

1850W

at 1/8 maximum output power @ 4 

Input Sensitivity

 

0dBu ( 775mV)

at rated output power @ 4 

, 1 kHz

THD 

at rated output power, 

 

< 0.05 %

MBW=80kHz, 1 kHz

IMD-SMPTE 

< 0.01 %

60 Hz, 7 kHz

DIM30

< 0.01 %

3.15kHz, 15 kHz

Crosstalk

 

<-70 dB

ref. 1kHz, at rated output power

 

Frequency Response 

-1dB, ref. 1 kHz

 

 

13Hz ... 40kHz

Power Bandwith 

THD=1%, ref. 1kHz, half power @ 4 

 

10Hz ... 48kHz

Input Impedance

20Hz ... 20 kHz, balanced

 

 

20k

Damping Factor 

at 100Hz / 1kHz 

 

 

 

 

>400 /  >300

Signal to Noise Ratio

A-weighted

 

 

105dB

Power Requirements

 230V, 50Hz ... 60Hz

Protection

Audio limiters, High temperature, DC, HF, Back-EMF, 

 Peak current limiters, Inrush current limiters, Turn-on delay 

Cooling

 

 Front-to-Rear, 4-stage-fans

Safety Class

 I

Dimensions

 (W x H x D), mm

483 x 132.5 x 385.5

Weight

27kg

 

 29kg

Retrofitting kit    Input Transformers

 

 

 

NRS 90176

SPECIFICATIONS

13

Summary of Contents for Contractor Precision CPS3

Page 1: ...OWNER S MANUAL CPS 3 CPS 4 CONTRACTOR PRECISION SERIES...

Page 2: ...into your outlet consult an electrican for replacement of the absolete outlet 1 Security regulations as stated in the EN 60065 VDE 0860 IEC 65 and the CSA E65 94 have to be obeyed when servicing the a...

Page 3: ...by far No V I Foldback Limiter circuits are employed within the power amplifiers making it possible to operate the amps on complex loads up to 90 phase angles without a problem The input facilities a...

Page 4: ...eaker line has shorted or a protective circuit has been activated thus indicating that there is no signal at the speaker output terminals 5 LIMIT This LED lights up if the limiter has been activated a...

Page 5: ...0 dBu The power amplifier can be set internally to 6dBu input sensitivity or to 26dBu gain INPUT ROUTING PARALLEL MONAURAL Setting the selector switch to the PARALLEL MONO position puts the channel A...

Page 6: ...ode the built in power ampli fiers operate in push pull and the double output voltage from channel A and B appears at the Bridged output connector The phases of Channel A and B are in oppo site and th...

Page 7: ...Sensitivity 0dBu 775mV at rated output power 4 1 kHz THD at rated output power 0 05 MBW 80kHz 1 kHz IMD SMPTE 0 01 60 Hz 7 kHz DIM30 0 01 3 15kHz 15 kHz Crosstalk 70 dB ref 1kHz at rated output power...

Page 8: ...BLOCK DIAGRAM 20...

Page 9: ...Abmessungen Dimensions in mm ABMESSUNGEN DIMENSIONS 21...

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