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Questions about tubes and gear that glows. FAQ

The 2 tubes do have the same pinout

But the tube requirements are very different. Amplification factor is 33 for 6922 and 100 for the ax7. Max plate voltage is 300 for ax7 and 200 for the other. It seems the max plate voltage between the 2 might be a problem especially in the driver tube position of se amp.


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