Questions about tubes and gear that glows. FAQ
In Reply to: 5687 id? posted by mashley on April 9, 2012 at 16:33:58:
As far as I know the only 5687s from the 40's was the Tung Sol ribbed (flat) plate 5687s made from 1949-1952 and those aren't them.
(the one on the right)
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Topic - 5687 id? - mashley 16:33:58 04/09/12 (7)
- RE: 5687 id? - JNS 18:51:42 04/11/12 (2)
- RE: 5687 id? - Tre' 16:55:22 04/09/12 (3)