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In Reply to: RE: Oh wow! So I could do that too with my ST-70? posted by Cougar on March 15, 2023 at 12:40:22:
I've had a VTA (or Bob Latino at the time) ST70 for over a decade. This amp came stock with the 12AT7 board. Fortunately at least in my case, I've been quite happy with the 12AT7. Another friend who has the ST120 recently had the 6SN7 board installed. This replaced his 12AU7 board. Although he wasn't unhappy with the 12AU7 board, he says the 6SN7 board and companion 6SN7's of course have been a noticeable improvement. He had bought a 6SN7 adapter, but opted instead to do the entire board. So using a 6SN7 adapter in the middle position of the 12AU board seems to be a good inexpensive option to try for either the ST70 or ST120. Some may later opt for the entire board or be perfectly happy with just the adapter. Regardless, I think the VTA amps are some of the best value tube amps out there. I never tire of listening to mine even though I've got another P-P tube amp that lists for 2.5X
the cost of the ST70.
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Follow Ups
- RE: Oh wow! So I could do that too with my ST-70? - Mick Wolfe 15:33:28 03/15/23 (7)
- RE: " he says the 6SN7 board have been a noticeable improvement" - 1973shovel 16:08:39 03/15/23 (6)
- Thanks, and one clarification question - JoshT 07:29:25 03/16/23 (5)
- I continue to use the adapter - 1973shovel 08:21:37 03/16/23 (4)
- I ordered an adapter - JoshT 06:48:56 03/17/23 (3)
- RE: I ordered an adapter - 1973shovel 07:33:19 03/17/23 (2)
- Continuity meter - 1973shovel 08:07:54 03/17/23 (1)
- Thanks again! - JoshT 10:57:10 03/17/23 (0)