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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: "Haltron" 12AU7 Date codes? Pix attached / Plz help? posted by waldenpuddle on November 8, 2006 at 14:42:24:
...should be very close to tall plate sq getter 1950s Heerlen production.
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Follow Ups
- 1950s Philips Copenhagen - very nice tubes - tubemonger 14:55:44 11/08/06 (1)
- k6=ECC82 tube type, P looks like the revision. C is possibly 0 (nt) - tubemonger 15:07:39 11/08/06 (0)
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