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In Reply to: Does anyone know these tubes? posted by protube@googlemail.com on June 14, 2017 at 05:32:45:
pic. 1,2. Euro, maybe French, or Czech Telam, Polam?
pic 3,4,5 could be RCA, Tungsol, Kenrad early versions all looked like that.
pic 6,7,8,9 Japanese Korean mostly likely Asian manufacture
10,11 most likely RCA,
12, Sylvania, USA made but try to find the etched number. GE also had tubes that looked like that but they were distinctly marked
Edits: 06/14/17
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Follow Ups
- RE: Does anyone know these tubes? - DAK 08:57:25 06/14/17 (2)
- RE: Does anyone know these tubes? - Snafu 12:25:18 06/14/17 (1)
- RE: Does anyone know these tubes? - protube@googlemail.com 02:51:54 06/16/17 (0)