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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: Ok it's not a Type 26........What the heck is a Type 12A . posted by drummerwill on September 25, 2015 at 08:43:49:
12A are nice directly heated triodes. You can look them up - mu 8.5, Ra about 5K. Pretty much a 01A with lower Ra. except most 01A were thoriated and 12A is oxide coated as far as I know with rare exceptions. Not quite sure here which were and which weren't.
To me it doesn't sound as euphonic as a 26, but it's certainly worth using.
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Follow Ups
- Sure - 12A are nice tubes - andy evans 09:03:35 09/25/15 (3)
- this IS a stretch, somewhat close to a 71 A~nT - Cleantimestream 07:19:36 09/26/15 (0)
- RE: Sure - 12A are nice tubes - drummerwill 22:18:16 09/25/15 (1)
- RE: Sure - 12A are nice tubes - andy evans 00:29:24 09/26/15 (0)
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