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RE: Recommended 12AX7s for FM-3 tuner?

Posted by ltman on March 22, 2024 at 10:25:04

In Reply to: RE: Recommended 12AX7s for FM-3 tuner? posted by Sondek on March 9, 2024 at 08:43:53:

I bought two of the frame grid JJ's to audition. They sound pretty good so I bought two more to have in my stock. And I paid the surcharge to have the pairs matched for output, with low noise and microphics.

I have noticed they do not match the amazing sound of the dynaco labelled tubes. Less "air", less extension/clarity in the highs, and less dynamic range. This suprrised me. I really did not expect to be able to detect any noticeable difference.

But although the difference is noticeable with careful, longer term listening, the JJ's are stil keepers, quite pleasant sounding in the FM3. I guess it should also be noted that the user manual does suggest a re-alignment may be neccessary when tubes are changed in the tuner, so there is that...

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Kimber Kable

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