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<blockquote data-quote="blazian87" data-source="post: 8705021" data-attributes="member: 574798">I really doubt that. I have the 80prs and it has clean preouts. Have you tried the suggestion I mentioned above? about testing the ohms of your amp rca inputs? Less than 1000 ohms would call for a coax shielded type of rca rather than a twisted pair. I still think it&#039;s worth a shot. Since you are saying there is no buzz when you plug in your phone with y adapter, that indicates your amp internals are just fine and everything after that as well. You&#039;ve already tested your headunit and even swapped it. You&#039;ve triple checked all your grounds already. The only thing left I can see is try testing non-twisted pair with good shielding if your amp turns out to be less than 1000 ohms. This has nothing to do with whether the rca is bad or not. It&#039;s about how the signal is being received from your headunit to amp.[MEDIA=youtube]QOagVDZLQnA[/MEDIA][MEDIA=youtube]P7sIquh9SsA[/MEDIA]</blockquote>

[QUOTE="blazian87, post: 8705021, member: 574798"] I really doubt that. I have the 80prs and it has clean preouts. Have you tried the suggestion I mentioned above? about testing the ohms of your amp rca inputs? Less than 1000 ohms would call for a coax shielded type of rca rather than a twisted pair. I still think it's worth a shot. Since you are saying there is no buzz when you plug in your phone with y adapter, that indicates your amp internals are just fine and everything after that as well. You've already tested your headunit and even swapped it. You've triple checked all your grounds already. The only thing left I can see is try testing non-twisted pair with good shielding if your amp turns out to be less than 1000 ohms. This has nothing to do with whether the rca is bad or not. It's about how the signal is being received from your headunit to amp. [MEDIA=youtube]QOagVDZLQnA[/MEDIA] [MEDIA=youtube]P7sIquh9SsA[/MEDIA] [/QUOTE]

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