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Questions about tubes and gear that glows. FAQ

RE: I was speaking about

4300 ohms matches up with a el34. The KT66 needs a higher impedance.

"Honestly, I'm thinking of replacing the driver board and going back to the stock version with a 7643 driver tube."

OK, now you've got me confused. The original ST 70 used a 7199.

I assume the "original" aftermarket driver board used a 7643?

edit. I see. the 7643 is a sub for a 7199.


Tre'


Have Fun and Enjoy the Music
"Still Working the Problem"



Edits: 08/12/21

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