In Reply to: Circling back to the OP posted by Pabloaguas on September 18, 2023 at 12:19:33:
The KT88 in pentode mode is very easy to drive. Depending on how much gain you need, I would just use your favorite signal triode. If you have a preamp and if your speakers are reasonably efficient one triode stage (per output tube) should be all you need.Hooked up as triodes KT88 are harder to drive but they require less feedback.
Edit, I think I am wrong here. Tetrodes have high plate resistance and a lot of distortion and they need a lot of feedback for both of those things. I think you would need a lot of gain so you can apply a lot of feedback.
Tre'
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Edits: 09/21/23
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- RE: Circling back to the OP - Tre' 13:50:14 09/18/23 (0)