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13th April 2010, 04:37 AM
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diyAudio Member
Join Date: Mar 2010
Location: Western Massachusetts U.S.A.
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Date codes
Hi, First, I want to say that I did "use the search button" before posting this. I've recenty got some 29KQ6 tubes for a project. All are Westinghouse branded. Half of them are "29KQ6/PL521 Made in Japan". Those are the pretty ones. The other half are "29KQ6 U.S.A." and look like any old sweep tube. The "U.S.A." tubes all have "92-12" on them. Could that refer to "1992-December"? I thought they stopped making (most) tubes before then. Don't need to know, just curious.
Jim |
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