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#1 |
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diyAudio Member
Join Date: Jul 2005
Location: Italy
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My luxman m-03 has a strange behaviour. It sounds good, but when it goes hot (after about 30 mins) it sounds dull, i.e. it 'cuts' high frequencies on both channel. Any help?
It's a problem of thermal runaway...but what check? I don't know if the idle bias is correct. Does it'd be the oxidized contacts of the output relays? Any help appreciated!! |
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#2 |
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diyAudio Member
Join Date: Dec 2002
Location: Left of the Dial
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Check/set bias, replace the relay.
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