In Reply to: RE: 300B IT 1:1 845, A2 possible? posted by Eric Chan on December 28, 2021 at 07:45:45:
Yes, any swing above the bias point at -126V will put the tube in A2 mode as the grid will start drawing current. Your current driver tube/IT setup barely gets you there. You will need to up both the plate voltage and current through the 300B for the needed higher swing to accomplish your goal.
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Follow Ups
- RE: 300B IT 1:1 845, A2 possible? - sideliner 09:43:11 12/28/21 (5)
- RE: 300B IT 1:1 845, A2 possible? - Eric Chan 22:46:38 12/28/21 (4)
- RE: 300B IT 1:1 845, A2 possible? - sideliner 07:51:34 12/30/21 (3)
- RE: 300B IT 1:1 845, A2 possible? - Eric Chan 01:09:40 12/31/21 (2)
- RE: 300B IT 1:1 845, A2 possible? - sideliner 07:57:41 12/31/21 (1)
- RE: 300B IT 1:1 845, A2 possible? - Eric Chan 22:02:37 12/31/21 (0)