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In Reply to: Follow-up on new build ST-70 with the 6NS7 tube posted by JoshT on April 1, 2023 at 09:14:38:
I have a stock ST-70 that's been re-capped with new RCAs, etc. I tried the adapter to the 6GH8A and had a couple of old 7199s that were weak. Eventually, a couple of NOS RCA 7199s turned up and are nice.
Still, why use 12AU7s and add another 6NS7? I do like the octals, but I'd have thought that there would be a replacement driver board with just 2 of them.
-Rod
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Follow Ups
- What does the middle 6NS7 do? - Rod M 19:41:34 04/02/23 (1)
- It's the gain tube as I understand it - JoshT 07:39:37 04/03/23 (0)