In Reply to: RE: enough current to bias 2 x kt150 tubes posted by 6AS7_6SN7 on January 12, 2017 at 23:10:22:
The bias voltage starts out normally and at the shop it was running normally for over an hour. That doesn't seem to indicate a problem in the fwbr. I even changed the battery on my Fluke meter in case that was the problem. I am going to test again now that it has been sitting for over 12 hours.
The KT90 are used but i will remember your tip about burning in new ones. thank you for the tips.
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Follow Ups
- RE: enough current to bias 2 x kt150 tubes - DAK 09:56:50 01/13/17 (0)