In Reply to: negative supply effort. posted by Bas Horneman on July 2, 2002 at 08:54:29:
That is dual bias. No need for any auto bias element in the 813. Scrap the 6080, ground the cathode of the 813 and yes yuou have the right idea about applying a negative voltage to the grid of the 813 through the IT secondary, that's what I meant. I suppose you are goinmg to need adjustment up to -80v. If you could afford to do it in Lithium's all good and well, but grid will draw some current, check voltages often.Very ambitious amp, but good luck with it all.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Re: negative supply effort. - Paul Barker 11:58:18 07/02/02 (2)
- Ambitious - Bas Horneman 01:32:04 07/03/02 (1)
- Re: Ambitious - Paul Barker 23:02:46 07/03/02 (0)