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<blockquote data-quote="keep_hope_alive" data-source="post: 8316897" data-attributes="member: 576029"><p>you have nice equipment capable of good sound. the noise is due to the combination of the stock amp and interface for the amp.</p><p></p><p>GM hasn't been kind to aftermarket sound systems since 2001. They can snag the output before the Bose amp if they had a wiring schematic - but they don't and won't be able to get one. Chevy/Bose don't share that.</p><p></p><p>I agree they should have the amp gains at a minimum setting since they are probably using the high level inputs.</p><p></p><p>a LOC is a line output converter. it reduces the signal amplitude so speaker level outputs (high voltage) can feed RCA inputs (low voltage). but most amps also have speaker level inputs.</p><p></p><p>start by simply turning the amp gains down - or start by telling us what the gains are set at currently.</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 8316897, member: 576029"] you have nice equipment capable of good sound. the noise is due to the combination of the stock amp and interface for the amp. GM hasn't been kind to aftermarket sound systems since 2001. They can snag the output before the Bose amp if they had a wiring schematic - but they don't and won't be able to get one. Chevy/Bose don't share that. I agree they should have the amp gains at a minimum setting since they are probably using the high level inputs. a LOC is a line output converter. it reduces the signal amplitude so speaker level outputs (high voltage) can feed RCA inputs (low voltage). but most amps also have speaker level inputs. start by simply turning the amp gains down - or start by telling us what the gains are set at currently. [/QUOTE]
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