Crown PIP-PA Reference Manual Download

Page: 1 / 20

127411-1

3/99

Printed on

recycled paper.

© 1999 by Crown International, Inc., P.O. Box 1000, Elkhart, IN 46515-1000
U.S.A. Telephone: 219-294-8000. Fax: 219-294-8329.

P.I.P. modules are

produced by the Professional Audio Division of Crown International, Inc.
Trademark Notice:

Crown

Macro-Tech

Com-Tech

IQ System

IOC

and

P.I.P.

are registered trademarks of Crown International, Inc. Other trademarks

are the property of their respective owners.

P. I.P.–PA

Summary of Contents for PIP-PA

Page 1: ...lephone 219 294 8000 Fax 219 294 8329 P I P modules are produced by the Professional Audio Division of Crown International Inc Trademark Notice Crown Macro Tech Com Tech IQ System IOC and P I P are registered trademarks of Crown International Inc Other trademarks are the property of their respective owners P I P PA ...

Page 2: ...P I P PA Page 2 ...

Page 3: ...rupt fades from mic to line and visa versa The mic inputs are transformer isolated and employ a variable gain stage The gain of each channel can be easily controlled from the rear panel Phantom power is also provided via the microphone connectors It can be disabled by moving a jumper on the circuit board Bass roll off for each mic input is provided with a low cut filter These filters roll off at 6...

Page 4: ...h the jumpers shown The on off positions of the jump ers are labeled on the circuit board B Compressor Threshold The threshold of each channel s compressor can be adjusted with these controls When turned to their maximum setting full clock wise the compressors respond onlytotheIOCerror signaloftheir respective channel When set lower the compressors are sig nal driven by an audio feedback signal C ...

Page 5: ...Mic Input Gain Control Useasmall flat bladescrewdriver to adjust the mic input sensitivity with these controls H Remote Switch Input The remote control switches for bothChannel1andChannel2are attached to this connector The ground leads are common With no switch attached the line level inputs E are normalled to the amplifier inputs Fig 2 1 Bottom View ...

Page 6: ...1 Now you are ready to install the P I P in the amplifier Fig 3 1 Compressor Threshold Settings Note These voltage and power levels are valid only for Stereo Dual and Parallel Mono modes of operation The voltages shown must be doubled and the power levels recalculated for Bridged Mono mode Alsonote Themaximumoutputpower isstrictlylimitedtothecapabilityofyour amplifier Any threshold setting above t...

Page 7: ... Requires a PIP2inputadapter Crownpart number Q43528 1 Connect the PIP2 input adapter to the two input cables of the ampli fier seeFigure3 3 Noticethat the PIP2 input adapter should be positioned with the P I P edge connector on top and facing away from the amplifier The 20 pin cable A is con nected first then the 18 pin cable B is connected Both A B B A 18 PIN B 20 PIN A Q43528 1 FROM AMPLIFIER P...

Page 8: ...ier in STEREO Dual mode The other methodusesBRIDGED MONOor PARALLEL MONO mode If you want to use the P I P PA in a mono system but still want to individually control the level of each amp channel follow these instructions Place the amplifier in STEREO Dual mode beingcare fultofollowtheinstructionsinyour amplifier s Reference Manual Then simply daisy chain the au dio signal from one input of the P ...

Page 9: ...he remote switch connec tion is shorted that is a switch is installed and turned on the line level input is attenuated 30 dB and the mic input is delivered to the amplifier A timed fader circuit causes the switch from line to mic and mic to line to be a smooth transition The intent is to create a more pleasing transition for situations where the line level input is used to feed background music an...

Page 10: ...logic line to each channel using the remote connector Ground Isolation If present ground loop problems canbereducedbyunsolderingor cutting and removing the ground jumper shown in Figure 2 1 Whenremoved thesignalground isisolatedfromthechassisground by a 2 7 ohm resistor as shown below Fig 3 5 Remote Switch Wiring Fig 3 6 Ground Isolation ...

Page 11: ... with user accessible gain pots Compressor Drivenbyboththe audio signal and by the IOCerror signal The adjustable threshold is controlled by a pot on the cir cuit board and the attack and decay times are nominally fixed at 20 msec and 200 msec re spectively At its maximum set tingitfunctionsasanerror driven compressor and is activated by the IOC signal Below the maxi mum setting it is driven by th...

Page 12: ...hematic Notes Notes Notes Notes Notes 1 All resistors are in ohms 1 4 W 5 unless otherwise specified Electronic image for this figure was not included due to quality considerations Please refer to the printed documentation ...

Page 13: ...P I P PA Page 13 2 All capacitors are in microfarads unless otherwise specified Electronic image for this figure was not included due to quality considerations Please refer to the printed documentation ...

Page 14: ...ll of sale along with the defective unit to an authorized service center to obtain service They will handle the necessary paperwork and repair Remember to transport the unit in the original factory pack A list of authorized service centers in your area can be obtained from our Technical Support Group 6 2 2 Factory Service To obtain factory service fill out the service information service informati...

Page 15: ...ows and en close it inside your unit s shipping pack Do not send the service infor mation form separately 2 To ensure the safe trans portation of your unit to the factory ship it in an original factory packing container If you don t have one call or write Crown s Parts Depart ment With the exception of polyurethane or wooden crates any other packing material will not be sufficient to withstand the...

Page 16: ...later than ninety 90 days after expiration of the warranty period All components must be shipped in a factory pack which ifneeded maybeobtainedfromusfreeofcharge Correctiveactionwillbetaken within a reasonable time of the date of receipt of the defective product by us or our authorized service center If the repairs made by us or our authorized service center are not satisfactory notify us or our a...

Page 17: ...e product from the date of original purchase Warranty work can only be performed at our authorized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defective product at our authorized service center HOW TO OBTAIN WARRANTY SERVlCE You must notify us of your need for warranty service not later than ninety 90 days aft...

Page 18: ...P I P PA Page 18 ...

Page 19: ...__________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Other equipment in your system ______________________________________...

Page 20: ...ant 2 SW 1718 W Mishawaka Rd Elkhart Indiana 46517 U S A Phone 800 342 6939 North America Puerto Rico and Virgin Islands or 219 294 8200 Fax 219 294 8301 Fax Back North America only 800 294 4094 or 219 293 9200 Fax Back International 219 294 8100 Internet http www crownaudio com ...

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