Help troubleshooting DAC-09

DanH

New Member
I was listening to some santana today and suddenly the volume went down by maybe half and sounded kind of muffled. I turned the volume up a click and it sounded a little louder but still muffled.

I changed out my tubelab SSE amp with a class d amp and it still sounded off.

I then thought it must be the dac output tube. I opened up the dac and swapped in a new ge white 5 star. It still sounded wrong. I swapped the amp to the non tube output jacks and it still did not sound right.

I replaced the DAC-09 with a Berseford dac and sound was as it should be. I put the tubelab sse back in the chain and the sound was still good.

It must be an issue with the DAC-09. Any suggestions as to what to check next?
 
unplug it over night and flick to dual voltage switch a few times. See if that helps. Try and determine if it analog or digital, by trying different inputs.

Cheers,
Ian
 
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