Quote:
Originally Posted by joelc73
Hi all,
Can anyone help me with, what I believe, is a ground loop issue. I previously had an amp installed and never had any alternator whine. I just replaced the amp with two separate pieces of gear -- a dsp followed by an amp.
Now I have a whine when I accelerate.
I'm guessing it has something to do with the two units together since I didn't have it before with just the amp... Any help would be much appreciated!
The amp is a JL xd400/4. The dsp is a Memphis 6ix.
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You need to physically separate the power lines from the RCA as much as you can. Also, try to make the ground cable as short as possible and connect it to the same ground point as the OEM amp used to be.