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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Type 37 and type 76 posted by 6bq5 on April 3, 2024 at 16:11:45:
The 9 pin tubes came in at the same time as feedback in PP amps and so tended to be higher gain, like 20 or more. Not suitable for a low gain low Rp triode for a line stage. Same with the octals, except for 6P5GT with a gain of 14 like the 76. Plus 6AH4 and 1626. So there's just the pentodes/tetrodes in triode like the 6V6, 6F6, 6G6.
Early tubes are just fine with me. Some of the best ever made.
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Follow Ups
- There aren't any obvious 9-pin substitutes - andy evans 03:03:08 04/05/24 (2)
- RE: There aren't any obvious 9-pin substitutes - 6bq5 10:50:10 04/05/24 (1)
- Ah - thanks! (nt) - andy evans 16:22:15 04/05/24 (0)
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