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<blockquote data-quote="tigerf117" data-source="post: 2859905" data-attributes="member: 575698">Hi, I&#039;m new to the forum, but not too new to car audio.&nbsp; Setting them up on and off for the past few years.&nbsp; Done a decent amoutn of research.&nbsp; But anyways, heres my issue.Installed new 4ch amp and everything was working fine cept I was getting alternator noise.&nbsp; Playing around with the RCAs (turn out the rca had a slit in it somehow, hence the interference) however when I plugged the rca&#039;s back in my amp was incredibly distorted.&nbsp; Tested power voltage etc and everything turned out ok, new RCAs, doing the same thing.&nbsp; Its been a couple of months and I just have my speakers to the HU (getting a new car this week so haven&#039;t bothered doing much testing on the amp).&nbsp; Basically tho,&nbsp; it outputs sound, but gets &quot;crunchy&quot;? , just extremely distorted (not the speakers obviously).&nbsp; All grounds and power cables were ok (shared a ground with another amp and that amp is fine).&nbsp; Any ideas?&nbsp; Think the amp is blown.&nbsp; BTW, ground is about 8&quot; long (as short as I could get it).</blockquote>

[QUOTE="tigerf117, post: 2859905, member: 575698"] Hi, I'm new to the forum, but not too new to car audio. Setting them up on and off for the past few years. Done a decent amoutn of research. But anyways, heres my issue. Installed new 4ch amp and everything was working fine cept I was getting alternator noise. Playing around with the RCAs (turn out the rca had a slit in it somehow, hence the interference) however when I plugged the rca's back in my amp was incredibly distorted. Tested power voltage etc and everything turned out ok, new RCAs, doing the same thing. Its been a couple of months and I just have my speakers to the HU (getting a new car this week so haven't bothered doing much testing on the amp). Basically tho, it outputs sound, but gets "crunchy"? , just extremely distorted (not the speakers obviously). All grounds and power cables were ok (shared a ground with another amp and that amp is fine). Any ideas? Think the amp is blown. BTW, ground is about 8" long (as short as I could get it). [/QUOTE]

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