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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: Need help to identify a 12bh7a tube posted by Catch22 on December 11, 2006 at 17:53:33:
337 is the EIA code for Westinghouse. GE and Westinghouse both used dot patterns with the number - but the big "stencil" GE number is unmistakable.
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- Re: Need help to identify a 12bh7a tube - Tom Bavis 07:32:23 12/12/06 (0)
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