Parasound A 51 manual Maintaining Your a

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10MAINTAINING YOUR A 51

Your Parasound A 51 power amplifier requires no periodic maintenance and has no user- serviceable parts inside. To avoid the risk of electric shock, do not remove its top cover. The amplifier’s exterior can easily be cleaned with a soft cloth pre-moistened only with a few drops of water or glass cleaner.

Main Power Fuse

If this fuse blows, please contact Parasound Technical Service for further advice.

Notes:

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Contents Amplifier Thank YOU Congratulations and Thank You for Choosing ParasoundParasound Staff Unpacking Your a Keeping Records for Future ReferenceTable of Contents Placement Guidelines for Your a Rack Mounting Your Parasound aTo attach the rack mount brackets Before Connecting What You’ll Need Balanced XLR Jacks and Their Pin ConfigurationLeft and Right Balanced Input Jacks To ConnectBefore Connecting Ch 1-5 Unbalanced InputsWrite Down Your Connections Connecting Your Speakers to the a Speaker Wire Length and Gauge thicknessSpeaker Terminals Correct Speaker Polarity is ImportantConnecting an Active Audio Source for Automatic On-Off Turn Off Delay in the Audio ModeManual and Automatic Turn ON-OFF Options Connecting AN External DC Source for Automatic Turn ON-OFF FuseUnderstanding the Indicators on the a Connecting the a 51 AC Power Cord AC Power Connections120 V or 220 V 240 V Operation Maintaining Your a Troubleshooting Guide Trouble Probable Cause RemedyProcedure for Returning Your a 51 to Parasound for Service Servicing Your aIf All Else Fails -Call Us for Help Important Notice Shipping the aAudio Trigger Sensitivity Adjustment Technically SpeakingTechnically Speaking Parasound a 51 Design Overview Circuit Designed by John CurlParasound a 51 Design Overview Parasound a 51 Specifications Parasound Products, Inc Battery Street, San Francisco, CA