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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Hmm never tried the 307A posted by andy evans on May 20, 2009 at 05:21:30:
It would be incorrect to say I am "using it" - I picked up some 307As to run as the [pentode-wired] front-end of a Thorsten-inspired 300B amp [WE 91A semi-clone]; and that was the vast majority of my experimentation with it.However, I also tried it in the output stage (triode-wired): 385 v B+ with 910 ohms in the cathode [B+ measured plate-to-ground]. I used the available 5.0 vac supply for the filament.
I was positively impressed by how good it sounded; however, I still preferred the 300B overall.Pete Millett has the triode curves - see Josh K's post for a link.
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Follow Ups
- 307A - Jim Dowdy 05/20/0908:11:48 05/20/09 (0)
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