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Dynaco FM-3 Question

Binski99

Binski99

Active Member
Ok so I didn't like the 12ax7 tubes that were in my dynaco sca-35 and the ones in the sca-35 were two different types one short and one long plate so I decided to take the telefunkens out of the FM-3. Will changing the tubes in the FM-3 to Sovtek 12ax7lps affect the calibration of the tuner.
 
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I did exactly the same as you - took the Teles from my FM-3 and put them in my SCA-35 where they make the phono section (only place they are used) sound wonderful. I don't recall what I put in the FM-3, perhaps 5751s, and it tunes just the same as it did before. So I think the answer is no... it won't affect the calibration/alignment.
 
JonL said:
I did exactly the same as you - took the Teles from my FM-3 and put them in my SCA-35 where they make the phono section (only place they are used) sound wonderful. I don't recall what I put in the FM-3, perhaps 5751s, and it tunes just the same as it did before. So I think the answer is no... it won't affect the calibration/alignment.
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OK thanks for you help.
 
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