In Reply to: two questions about 45 and 300b..............thanks posted by bouncy ball on April 3, 2014 at 08:52:21:
BB,
I can get 3.5W's out of a 45 (ac heaters) and about 5-6W from a VT52 (Has to be DC heaters) and about 12W out of a 300B with DC heaters.
All of those are less than 0.25mvrms noise.
With AC heaters on a 300B the minimum using all the WE tricks was about 1.1mvrms or about 4x higher than DC.
I guess the best way is just try it and see if you can do better. VT52 has to be DC heaters to work it has higher filament voltage than a 300B.
Thanks,
Gordon
J. Gordon Rankin
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: two questions about 45 and 300b..............thanks - Gordon Rankin 06:38:51 04/08/14 (0)