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Forum: Corvette Audio/Electronics

08-19-2021

Replies: 17

Please help with alternator whine in speakers and popping noise when powering on/off.

Views: 18,020

Posted By secondchance

Re: Please help with alternator whine in speakers and popping noise when powering on/

First, turn the volume down to zero. Do you still hear the whine with engine idling? If yes, get close to all 4 speakers and see if you hear the whine on all four or one or two speakers. If you hear...

Forum: Corvette Audio/Electronics

07-09-2012

Replies: 17

Please help with alternator whine in speakers and popping noise when powering on/off.

Views: 18,020

Posted By secondchance

Re: Please help with alternator whine in speakers and popping noise when powering on/

Glad it all worked out.:cheers:

Forum: Corvette Audio/Electronics

07-07-2012

Replies: 17

Please help with alternator whine in speakers and popping noise when powering on/off.

Views: 18,020

Posted By secondchance

Re: Please help with alternator whine in speakers and popping noise when powering on/

My understanding of why the pop occurs at turn on or turn off is due to the amp reading voltage dirrence at ground point as various electrical equipment shuts off and confusing this with audio signal...

Forum: Corvette Audio/Electronics

07-07-2012

Replies: 17

Please help with alternator whine in speakers and popping noise when powering on/off.

Views: 18,020

Posted By secondchance

Re: Please help with alternator whine in speakers and popping noise when powering on/

Scottfab,
I stand corrected. It has been a while since I graduated - yes, it is microfarad.
My first enclounter w/ alternator while was in 1980 when I installed Mitsubishi electronic head unit w/ 4...

Forum: Corvette Audio/Electronics

07-05-2012

Replies: 17

Please help with alternator whine in speakers and popping noise when powering on/off.

Views: 18,020

Posted By secondchance

Re: Please help with alternator whine in speakers and popping noise when powering on/

Aod,

Lets start withe the alternator whine. What you need is a 3300 microfaraday axial capacitor.
http://www.radioshack.com/product/index.jsp?productId=12424820...

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