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rajuncajun 7th September 2008 05:08 PM

receiver ouput stage problem?

I just got a technics SA-400 for $15 at a yard sale.

Problem is, the right channel will distort if I turn up the volume more than just the quietest level. It sounds clean when it's super quiet though.

I ordered new darlington power packs (STK-0050 to replace the STK-0040's it came with) working on the assumption that it's a problem in the output stage.

Can I just solder the new powerpacks in or do I need to be careful of other considerations?

Am I even on the right track here?



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