In Reply to: Preamp tubes for Eico ST-40 amplifier posted by akolegov on November 1, 2015 at 21:59:48:
They are the two closest to the selector switch.http://nekhbet.com/Eico_ST40_Owners.pdf
V1 and V2 on page 12 of the above link.
The rest should be 12dw7's if the amp is stock.
Edits: 11/02/15
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: Preamp tubes for Eico ST-40 amplifier - DannyR 10:06:31 11/02/15 (3)
- RE: Preamp tubes for Eico ST-40 amplifier - akolegov 10:24:09 11/02/15 (2)
- RE: Preamp tubes for Eico ST-40 amplifier - DannyR 10:49:20 11/02/15 (1)
- RE: Preamp tubes for Eico ST-40 amplifier - akolegov 11:38:19 11/02/15 (0)