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04-07-2007, 02:08 PM | #1 |
Line Noise Problem
ok first off hi poeple. any and all help will be apretiated
Just got a new car, Toyota Yaris 2007 sedan keeped the original stereo unit because its MP3/WMA and has an Aux input, conected to the front out puts to LOC, then from there to an Audio Planet Preamp to split the signals; front, rear and subs. from the preamp i have rca cable to the amps, 2 amps Power Acoustic one 4 channel 600w for front and rear, and one 2 channel 520w for the two 10" subs. OK the stereo unit is grounded to its original place, the thingy that converts the wire is conected to where to preamp grounds, both amps are ground to bolt that hold down the rear seat. 2 of the rca calbes have ground wires, the ones that send the signal to the 4 channel amp, the sub rca cable doesnt have ground wire, the rca calbes that do are grounded to the block where the amps ground.. ok well that my set up, the problem im having is noise in the system, basically everytime i excelerate you hear a high pitch whining sound, how can i eliminate this? |
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04-09-2007, 03:41 PM | #2 |
Drives: 2007 White Toyota Yaris Type S Join Date: Dec 2006
Location: Southern California
Posts: 439
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Some rca's actually run the remote turn on with the RCA cables because in theory they are both running to the back of the head unit...
If you ran them seperately I would say the next thing to look at is the grounds for the amps, make sure you picked a good ground... Do a search and I am sure you will find multiple posts on where everyone grounded......... Also make sure you check the pre amp, i tried hooking up a equalizer before and had tons of noise through it no matter where my ground was. Without it hooked up no problem whatsoever... Just double check your connections, I am sure you will find something....
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04-09-2007, 02:22 PM | #3 |
at the moment the power line is going down the left side of the car and the rca cables are going down the right but th remote line is with the rca's
and what am i looking for in the gorunds? cable gauge? Whats best? same ground for everything, or grounding the parts in diferent locations to the chasys |
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