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Trying to restore or at least fix a Luxman L-11 Stereo DC Integrated Amplifier


13Hertz

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Do you have a source for the Pilot light for a Luxman L-11? I picked up a pristine unit last year and the lamp died a few weeks ago. Also, I am having some scratching on the left channel when I move the volume up or down -- but the pots are sealed on this model so they really can't be cleaned properly. Any suggestions?

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On 11/17/2022 at 11:21 AM, Kezor said:

Do you have a source for the Pilot light for a Luxman L-11? I picked up a pristine unit last year and the lamp died a few weeks ago. Also, I am having some scratching on the left channel when I move the volume up or down -- but the pots are sealed on this model so they really can't be cleaned properly. Any suggestions?

 

Pots don't always have to be noisy from something physically wrong like oxidation or contamination of the track. Since it's only one channel and it's a sealed pot you could be experiencing some DC current leaking by from a faulty capacitor. DC current passing through a pot makes noise when turning just like it was dirty.

 

Of course it could just be a dirty/oxidized pot even though it's sealed. Careful disassembly and cleaning of the pot can resolve the issue. Anything assembled can be disassembled, pots included.

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