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OLA tone control


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My tone controls on my large Advents are only working on the "extended" setting.

I have tried spraying a little deoxit under there and working the switch back and forth but it didn't do anything and I really don't even know if the cleaner even got up in there or not because I can't see inside.

Does anyone know how to fix this or has the same problem as mine?



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Your problem almost invariably means actual components (resistors) in the circuits are bad, not the switch. Those are heavy duty toggles and rarely fail.

The woofer needs to be removed so you can get to the crossover and check it out.


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