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OWNER’S  MANUAL

 

    

 

    CPS 1 

CPS 2

      

 

                    CONTRACTOR PRECISION SERIES

Summary of Contents for Contractor Precision CPS2

Page 1: ...OWNER S MANUAL CPS 1 CPS 2 CONTRACTOR PRECISION SERIES ...

Page 2: ...c shock do not perform any servicing other than that contained in the Operating Instructions unless you are qualified to do so Refer all servicing to qualified service personnel 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with a damp cloth 7 Do not block any of the ventilation openings Install...

Page 3: ...90 phase angles without a problem The electronically balanced inputs are provided via XLR type and PHOENIX connectors which are also used to loop the signal through Using the Input Routing switches lets you determine if the CONTRACTOR PRECISION SERIES amplifiers are operated in DUAL stereo or PARALLEL monaural mode mono bridged operation is also possible The dB scaled level controls are to be foun...

Page 4: ...r engaging the power switch either the amplifier is not connected to the mains or the internal mains fuse has been blown and it needs to be replaced 4 PROTECT If this indicator lights during operation one of the amp s internal protection functions against thermal overload short circuit or the occurrence of HF at the output has been engaged The cause that let the amplifier enter the protection mode...

Page 5: ...mplification These controls should be set between 0 dB and 6 dB depending on the output of the connected signal source device e g a mixing console The printed scale shows the actual amount of damping in the amplification of the power amplifier INPUT ROUTING PARALLEL MONAURAL Setting the selector switch to the PARALLEL MONO position puts the channel A and channel B inputs in electrically direct par...

Page 6: ...power amp The two amplifiers A B are now used in push pull operation providing the double output voltage at the BRIDGED OUT connector The regular output voltages of the power amplifiers A and B are still present at the individual output connectors CHAN NEL A and CHANNEL B but in respect to the inverted phase using these signals is not recommendable Bridged mode operation with loads of 2 ohms is no...

Page 7: ...ximum output power 4 Ω Input Sensitivity 1Vrms at rated output power 8 Ω 1 kHz THD at rated output power 0 05 MBW 80kHz 1 kHz IMD SMPTE 0 08 60 Hz 7 kHz DIM30 0 03 3 15kHz 15 kHz Crosstalk 80 dB ref 1kHz at rated output power Frequency Response 1dB ref 1 kHz 10Hz 45kHz Power Bandwith THD 1 ref 1kHz half power 4 Ω 10Hz 50kHz Input Impedance 20Hz 20 kHz balanced 20kΩ Damping Factor at 100Hz 1kHz 300...

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

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

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