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Problem with one channel on my amp

Old 07-01-2015, 03:55 PM
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Default Problem with one channel on my amp

One channel on my amp is supplying very little sound to the speaker. I'm hoping that it's a problem with my RCA cables either coming loose at the radio or possibly bad RCA cable itself. The amp is a JL MHD 600/4 being fed by a Fusion iP 600. Zones one and two are running together for the JL 7.7's and zone three is powering the single 10" sub. My balance on the radio is set equally between left and right. i have a total of two RCA cables coming off the radio to the amp. I'm wondering if I have my sub and only one channel being fed by RCA cables and need to add an RCA for the channel that's giving problems. Any audio gurus want to provide some feed back? Thanks.
Old 07-01-2015, 04:48 PM
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flip the left and right speaker rca at the amp and see if it changes. if the other speaker goes quiet it's the deck / cable. if same, then amp is bad.

or speaker / speaker cable is bad. next step would be swap speaker cable at amp and see if problem changes speakers or not.

the 600 only has 2 paired outputs (1 line, and 1 sub) no way to add another rca. all the speakers will be one zone.
Old 07-04-2015, 05:46 PM
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Bad RCA cable. Thanks for the help.

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