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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: Why not fix it? posted by Triode_Kingdom on March 4, 2025 at 20:06:26:
I would sell to a collector that will never use it and get something better sounding.Looking at the schematic, it appears that the only tubes that are run hard are the four 6DJ8 paralleled cathode followers. The other 6DJ8s are run conservatively. As these are cathode followers without any gain, you can run super cheap 6DJ8s in positions V7, V8 V11 & V12 in the short lives sockets. Also the power supply regulator tubes 6L6s and the on 12AT7 can be cheap.
Good 6DJ8 tubes in V1, V2, V3, V4, V5, V6, V9, & V10.
(Also, is this using Q14 as a voltage clamp, like a diode, in that position? It would seem as though a diode would be simpler (and superior))
And running the signal through a photo cell at the end is fun, maybe it wants you to listen with the lights off.
Edits: 03/05/25 03/05/25 03/05/25
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Follow Ups
- Really hard to do as these are nested negative feedback machines - Chip647 09:35:08 03/05/25 (5)
- Running hard? - Triode_Kingdom 22:55:27 03/05/25 (4)
- RE: Running hard? - Chip647 07:29:24 03/06/25 (3)
- Here's one way to fix it... - Triode_Kingdom 10:37:23 03/06/25 (2)
- RE: Here's one way to fix it... - Chip647 11:18:07 03/06/25 (1)
- RE: Here's one way to fix it... - Triode_Kingdom 11:57:10 03/06/25 (0)
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