zapco PX Owner's Manual

zapco PX Owner's Manual

Paragraphic equalizer with electronic crossover

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PX
Model
Paragraphic Equalizer With
Electronic Crossover
Owner's Manual
A.R.P.A. OF AMERICA CORP.
MADE IN MODESTO, CA U.S.A.

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Summary of Contents for zapco PX

  • Page 1 Model Paragraphic Equalizer With Electronic Crossover Owner’s Manual A.R.P.A. OF AMERICA CORP. MADE IN MODESTO, CA U.S.A.
  • Page 2: Table Of Contents

    Contents Introduction Installation Instructions PX Equalization Modules Input Gain Adjustment Technical Assistance Manufacturing...
  • Page 3: Introduction

    600 ohm earphone. The modular “phone” DC POWER INPUT connector at the upper right hand corner of the back plate is used to connect the PX Main to the external power supply, the PSi.
  • Page 4: Installation Instructions

    Keep the above thoughts firmly in mind when determing a suitable mounting location for the PX Main. It may be mounted under- dash using the supplied bracket or in-dash using the four countersunk mounting holes in the front panel. If mounting in-...
  • Page 5 ON” terminal located on the plug-in barrier strip of the PSi. Note that the PSi will not turn on unless the power cable is securely connected to the DC INPUT connector on the rear of the PX Main. The POWER indicators on the PSi and the PX should both...
  • Page 6: Px Equalization Modules

    The equalizer section of the PX Main features plug-in modules that enable the user to select both the center frequency and bandwidth of the four front panel FILTER controls. The “stock” PX comes equipped with the following modules: Filter #...
  • Page 7: Input Gain Adjustment

    Input Gain Adjustment The pre-amp circuit built into the PX is capable of 26dB of gain. Separate left and right channel INPUT GAIN adjustments are made via two access holes in the lower left hand corner of the front panel. Adjustments to the INPUT GAIN may be necessary to match the source (TAPE DECK, TUNER, OR CD) output level to the input sensitivity of the system amplifiers.
  • Page 8: Technical Assistance

    Once we issue you a return authorization number, please write it in a highly visible area on the package. Zapco will not accept any packages that do not have a valid return authorization number clearly marked on the outside of the package.
  • Page 9: Manufacturing

    Manufacturing This product is designed and manufactured in the USA. following operations are ENTIRELY performed in our Modesto, California plant. 1. PC Board insertion The components are inserted into American made printed circuit boards. 2. PC Soldering The printed circuit board assembly is wave soldered. 3.
  • Page 10 A.R.P.A. of America Corp. 413 S. Riverside Drive, Suite D Modesto, CA 95354 (209) 577-4268 Fax (209) 577-8548 Rev. G 12/96...

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