amp will not go past volume 70. cuts out after that

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Hello

i have an amp connected to 4 sets of in ceiling speakers that was working great and now suddenly when I put the volume past 70ish the sounds cuts out. When I unplug the right banana clips I can go up to 100 volume. I understand this to be a safety feature so the amp doesn’t break beyond repair but I can’t fathom what has happened to the right cables to cause this issue. We had some construction work done and new lights installed but I don’t see how it could be related.

Does the community have any ideas what the issue is in the connections/cables to cause this?

thanks in advance for the help

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L

Ludit1Answer

Contributor I

Thanks all. Turns out some of the wires in the walls that connect to the volume dials/switch on the wall had come out so had to rewire those and I am back to all the speakers working.

Stanley_4

Grand Maestro

Sounds like wire damage or a disrupted connection to one of the speakers.

Best bet is to grab a multi-meter, set it to Ohms and start comparing the left and right wiring.

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buzz

Grand Maestro

Mice or squirrels?

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Stanley_4

Grand Maestro

All too easy for a contractor pulling lighting power runs to snag a speaker run. Made even more likely as far too few speaker runs are properly run, anchored or connected.

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L

Ludit1AuthorAnswer

Contributor I

Thanks all. Turns out some of the wires in the walls that connect to the volume dials/switch on the wall had come out so had to rewire those and I am back to all the speakers working.

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