In Reply to: RE: Technical question on 6sn7 cathode posted by Paul Joppa on August 15, 2015 at 22:31:06:
I think the problem is ...
-90V on the cathode with no B+ applied so
no anode current and ground reference on
the grid for 30 seconds before B+ comes up.
DanL
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Follow Ups
- RE: Technical question on 6sn7 cathode - danlaudionut 10:29:07 08/16/15 (2)
- RE: Technical question on 6sn7 cathode - Paul Joppa 13:58:19 08/16/15 (1)
- RE: Technical question on 6sn7 cathode - TimFox 11:40:46 08/21/15 (0)