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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: RE: Which versions? posted by Mick Wolfe on November 13, 2023 at 08:40:08:
When I bought my blank board, the VTA 12AU7 circuit had recently been released. There was a lot of praise for it, and since I didn't need the AT7s added gain, I populated the board to use 12AU7s, not knowing any better.
One of the things on my 'must try' list of cures was going to be to convert the board to use 12AT7s. I was told by those in the know here that the AT7 would be an improvement over the AU7 from a linearity standpoint, but not by a lot.
The single voltage gain 6SN7 solved that decision for me, since it's more linear than either the AT or the AU. I sometimes wonder if 6SN7s in the phase inverter positions would further improve things. But given this is just a back-up amp for me, I'm happy enough just having it be something that I no longer dislike.
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Follow Ups
- "I've kept the original 12AT7 board" - 1973shovel 05:50:44 11/14/23 (6)
- RE: "I've kept the original 12AT7 board" - Mick Wolfe 08:59:34 11/14/23 (5)
- "I have the 6SN7 adapter on hand" - 1973shovel 15:01:28 11/15/23 (4)
- Phase Inverter - Triode_Kingdom 16:02:33 11/16/23 (1)
- Thank you, TK - 1973shovel 17:39:53 11/16/23 (0)
- RE: "I have the 6SN7 adapter on hand" - Mick Wolfe 09:17:06 11/16/23 (1)
- You mentioned being on a budget - 1973shovel 11:00:58 11/16/23 (0)
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