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In Reply to: RE: Testing a Western Electric 421A posted by Tre' on April 25, 2013 at 08:59:00:
The WE421a is closest to a 5998. The mu is 5.4 versus 2 for a 6AS7/6080, and the transconductance is 15.5k versus 7k for a 6AS7.
Rob
"Let there be songs, to fill the air"
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Follow Ups
- Well, it's much closer to a 6AS7 than a 6SL7, but... - Skylab 04/25/1318:11:31 04/25/13 (0)