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In Reply to: RE: RCA 5AR4/GZ34 USA posted by dtc on May 1, 2015 at 18:45:32:
Sylvania (later known as Philips ECG) made this tube until the mid- or late 1980s. I'm not sure when they started making 5AR4s, but I don't recall seeing any made prior to the 1970s. Very late in the tube timeline, but they're good tubes.
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Follow Ups
- RE: RCA 5AR4/GZ34 USA - skriefal 19:09:31 05/01/15 (4)
- RE: RCA 5AR4/GZ34 USA - dtc 19:35:50 05/01/15 (3)
- Those are mislabeled 5AR4 - FenderLover 23:02:01 05/01/15 (2)
- RE: Those are mislabeled 5AR4 - dtc 06:48:03 05/02/15 (1)
- RE: Those are mislabeled 5AR4 - FenderLover 07:20:33 05/02/15 (0)