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In Reply to: ECF80/6BL8= which separate pentode +triode posted by Wojciech on August 2, 2014 at 10:17:15:
6AU6 has a bit less transconductance than the pentode in the 6BL8, 6BC5 is about the same, 6AH6 bit more. All share the same pinout. The triode has twice the transconductance of a 12AU7, same mu, so parallel the two tiodes or use a 6J5 or half a 6SN7 or 6CG7 or a 12A4.
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Follow Ups
- RE: ECF80/6BL8= which separate pentode +triode - Tom Bavis 08/5/1406:12:46 08/5/14 (1)
- RE: ECF80/6BL8= which separate pentode +triode - Wojciech 18:23:29 08/5/14 (0)