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In Reply to: RE: 6RR8C Tubes posted by David Lawrence on February 12, 2021 at 09:57:48:
NEC 1966 tube data book, on Frank Philipse's site, shows it as a pentode, equivalent to 404A. Heater on pins 3 & 9.
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Follow Ups
- RE: 6RR8C Tubes - Tom Bavis 14:47:02 02/14/21 (1)
- RE: 6RR8C Tubes - David Lawrence 17:35:04 02/14/21 (0)