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Wiring, Electrical & Installation
Accord loud "hum" using high level input
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<blockquote data-quote="BreadLord" data-source="post: 8665103" data-attributes="member: 674841"><p>I had the LOC gains up to about 65-75% (was a rough setup just to test for issue) and had the amp gain far down (below a "normal" marker on the dial) probably 20 to 30 percent, bass boost off. Sounded nice and clean. Powered off car and powered on amp, noise happened again and is still pretty dang loud but obviously not as loud with amp gains down. It may be some sort of weird ground loop I have no clue (not a lot of experience in this field). </p><p></p><p>But yeah HU bass EQ 0, LOC a rough 75% and sounding clean, AMP gain way down for testing. Works perfect when radio on. </p><p></p><p>If I'm not mistaken I didnt have the remote wire ran when I tested for the noise the first time. Pretty sure I had the RCA running outside the car into the front window and into the LOC. Car was off and I powered on the amp. Still issue</p><p></p><p>Edit: I have an oscilloscope (cheap one) if testing for specific wave forms would help at all. Ground loop noise isolator is in the mail</p></blockquote><p></p>
[QUOTE="BreadLord, post: 8665103, member: 674841"] I had the LOC gains up to about 65-75% (was a rough setup just to test for issue) and had the amp gain far down (below a "normal" marker on the dial) probably 20 to 30 percent, bass boost off. Sounded nice and clean. Powered off car and powered on amp, noise happened again and is still pretty dang loud but obviously not as loud with amp gains down. It may be some sort of weird ground loop I have no clue (not a lot of experience in this field). But yeah HU bass EQ 0, LOC a rough 75% and sounding clean, AMP gain way down for testing. Works perfect when radio on. If I'm not mistaken I didnt have the remote wire ran when I tested for the noise the first time. Pretty sure I had the RCA running outside the car into the front window and into the LOC. Car was off and I powered on the amp. Still issue Edit: I have an oscilloscope (cheap one) if testing for specific wave forms would help at all. Ground loop noise isolator is in the mail [/QUOTE]
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Accord loud "hum" using high level input
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