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In Reply to: Different 12AT7 tubes for Gain vs Driver in Audio Prism power amp? posted by Lyramax on February 11, 2024 at 08:47:01:

Because you probably bought that Audioprism Debut amp for MUCH less money than what Mark Levinson relabeled as Red Rose and sold for $7000 :)
History aside, you can use different 12AT7 tube for Gain and Driver positions, in this amp and other amps. I would recommend vintage, real Tung-Sol 12AT7 (not new production Tung-Sol), as these sound great and can still be found for reasonable money.

Edits: 02/11/24

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Follow Ups Full Thread

Topic - Different 12AT7 tubes for Gain vs Driver in Audio Prism power amp? - Lyramax 08:47:01 02/11/24 (5)

The further upstream the tube is in the signal chain, the more it affects the sound. nt - Ralph 11:24:54 02/14/24 (0)

The driver can have more impact on the sound - Luminator 12:15:08 02/11/24 (1)

RE: The driver can have more impact on the sound - 6bq5 11:14:26 02/13/24 (0)

You are lucky - Jon L 09:40:01 02/11/24 (1)

RE: You are lucky - dgaapc7 04:29:33 02/15/24 (0)

Follow Ups

You are lucky - Jon L 09:40:01 02/11/24 (1)

RE: You are lucky - dgaapc7 04:29:33 02/15/24 (0)

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