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Tube rolling Audio Note DACs

I have an Audio Note 2.1x balanced DAC. One of the output tubes recently went bad (they were stock Philips) so i replaced them all with NOS in a bit of tube rolling fun. However, I could swear the new output tubes -- 7308/E188CC Siemens 1969 branded Westinghouse -- have a recessed midrange, but I can't be sure about this as these tubes also have better bass and high-end output than the stock tubes. They may just be better balanced.

Any other output tubes to try on the AN DAC?

Thanks.
budrew

Showing 1 response by tvad

tvad's avatar
tvad
11,550 posts
 

It’s hard to beat TungSol 6x5GT in Audio Note components, but I understand the quest.

There’s an excellent Audio Note thread on Steve Hoffman Forums with a solid cadre of AN owners. Tube rolling is often discussed. You might search that thread for folks’ experiences with 6x5GT alternatives.

I have not tried a KenRad rectifier.

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