In Reply to: RE: 10Y/VT25 plate choke, filament chokes posted by Wojciech on December 5, 2014 at 15:47:09:
Using a siemens Ba 'Post' tube as voltage stage for this topology and go for full DHT setup.
These are truly marvelous. I use a 90K plate resistor, so you need some B+.
Run them at 3ma. Their life expactancy is extremely long.
NC
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Follow Ups
- I would recommend... - Nickel Core 11:41:48 12/06/14 (1)
- RE: I would recommend... - Wojciech 17:51:56 12/06/14 (0)