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6922 to 6SL7

Posted by Rikkitik on September 14, 2020 at 08:42:28:
Hi all,
I have a DAC with a tube output. It was originally designed for 6922's. Not being a big fan of the 6DJ8 "family" and seeing 6922/6SN7 adapters, I thought "why not?".
Then I looked at the 600ma filament current, which led me to the 6SL7. They sound excellent, but I'm concerned about the difference in grid resistance and longevity. I was told to check the voltage at the tube side of the output cap, and that 100v (+/-10%) and I would be "good to go" (measured voltage is 102.3v).
Any thoughts or suggestions would be appreciated.
- Rick