Question about Car Audio & Video
It keeps a constant thumping and not to the music !
Posted by Anonymous on
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Posted on Jan 02, 2017
Ok.... FIRST COMMON PROBLEM: recheck your ground connection. Make sure that your amps ground wire is securely bolted to the metal body of your car. Not only that- yo uhave to scrape or use sandpapar to make sure that the terminal is touching bare metal.. this is a very common problem. Nobody realizes that the ground connection is just as impoarant as the power connection... Next unplug youir rca cables from the amp. If the heartbeating goes away then mabye you have a rca cable or deck issue. If you can wiggle the rcas at the amp and make it heartbeat more or less.. then perhaps the rca terminals have come unsoldered form the circuit board... in any case without me looking at it personally this is about all i can tell you. CHeck your connections and GOOD LUCK!!!!!
Posted on Aug 27, 2007
Probably that ground, seat bolts are bad 'cause they rust, seat belts are even worse 'cause they have some sort of coating on them to keep them tight but it screws up their grounding characteristics.
Find a good solid metal place to ground to as well.
Also, make sure the head unit is grounded well and if all else fails, try a new patch cord from the head unit to the amp. Process of elimination is needed to solve these problems.
Posted on Oct 06, 2008
ALL IT IS R THE RCA (INPUT WIRES) MY SONY AMP DID THE SAMTHING ALL U NEED TO DO IS CHECK AND MAKE SURE THAT THEY ARE IN GOOD COND. THATS ALL
Posted on Jun 11, 2009
SOURCE: i just moved my 12
It sounds like you have a feedback problem between your amp and your speakers this is usually caused by a bad or weak ground between the amp and chassis ground and speakers and chassis groung, also make sure that the correct post on the speakers is the one attached to ground as this makes a big differance especially with high power systems. Hope This Helps Don
Posted on Dec 02, 2009
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