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<blockquote data-quote="ephyouckay" data-source="post: 2316197" data-attributes="member: 571068">its an orion hp2300 2 channel amp.im using stock HU with LOC... could the problem lie within the LOC?? maybe the cheap LOC that i bought is causing the whine?<a href="http://www.millionbuy.com/hithlc3.html" target="_blank">http://www.millionbuy.com/hithlc3.html</a>that is what i bought.i dont have ti grounded though i tried it grounded on the rear RCAs that for some reason are actually worse than my front RCA.the way i have it setup is the rcas for the components are hoooked up to an LOC and the LOC is tapped into the stock hu radio harness.&nbsp; then i have rcas for the woofer and those rcas are tapped in ot the rear speaker wires from the trunk.i tried the rear rca with it not grounded and it was worse than the front. then i grounded it and thre was no improvement.should i invest in better LOC? what else could it be? or can i just use a groundloop isolator? yes i know its a bandaid like thing that just covers up the actual problem but if it gets rid of the noise then why not //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gifbefore when i first grounded, i forgot to sand so i did the sanding and it got a little better.is my ground not good enough?btw, i only hear the noise coming out from the tweeters nothing from the mids.&nbsp; i also get some static noise as well.</blockquote>

[QUOTE="ephyouckay, post: 2316197, member: 571068"] its an orion hp2300 2 channel amp. im using stock HU with LOC... could the problem lie within the LOC?? maybe the cheap LOC that i bought is causing the whine? [URL="http://www.millionbuy.com/hithlc3.html"]http://www.millionbuy.com/hithlc3.html[/URL] that is what i bought. i dont have ti grounded though i tried it grounded on the rear RCAs that for some reason are actually worse than my front RCA. the way i have it setup is the rcas for the components are hoooked up to an LOC and the LOC is tapped into the stock hu radio harness. then i have rcas for the woofer and those rcas are tapped in ot the rear speaker wires from the trunk. i tried the rear rca with it not grounded and it was worse than the front. then i grounded it and thre was no improvement. should i invest in better LOC? what else could it be? or can i just use a groundloop isolator? yes i know its a bandaid like thing that just covers up the actual problem but if it gets rid of the noise then why not [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG] before when i first grounded, i forgot to sand so i did the sanding and it got a little better. is my ground not good enough? btw, i only hear the noise coming out from the tweeters nothing from the mids. i also get some static noise as well. [/QUOTE]

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