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99.140.254.2
grey plates. rectangular side getters.
thanks for any help.
-andre d
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RCA clear top 12AU7As. Probably made in the early to mid 1960s.
Im not a tube guru, but have plenty of the RCA cleartop 12AU7's ... yepster, dem-der definitely dat.
Edits: 04/01/12
But I've seen tubes that look like that before- used by Honeywell in computors.
you are right. hard to read but perusing it with a magniifier it actually says 12AU7A. and U.S.A.
thanks
-andre d
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