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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: was the 12ax7 out in 1955? posted by Ed Sawyer on November 21, 2005 at 18:59:50:
I owned a Collins receiver manufactured in 1950 that used a 12AX7 tube. I believe the original tube was RCA. I would believe Sylvania had 12AX7s before 1955.
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Follow Ups
- Re: was the 12ax7 out in 1955? - Jimmy 19:07:12 11/21/05 (1)
- I wonder.... - Stephen D 08:39:21 11/22/05 (0)
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