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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 and 2:
prob. loglive 12AU7 (E82CC) with triple mica, grey plates with 3 holes and a halo getter
pic 3, 4 and 5
2 tubes 12AU7 label in same construction. On both tubes are the "OK" visible.
On the left tubes is a red/orange print maybe "HP".
On the right tube is a yellow print, "Made in Japan" is readable.
Both tubes with D square horseshoe getter construction.
pic 6 and 7
12AU7 ECC82 print and a D square horseshoe getter construction.
pic 8 and 9
ECC82 (reprint). This tube have not a clear glass, little rough.
This tube also with a angled D square horseshoe getter construction.
pic 10 and 11
12AU7 label, black plates and a angled D square horseshoe getter construction.
pic 12
Probably a 12AU7, special plate construction.
On the tube is very difficult "CANADA" readable.
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Follow Ups
- RE: Does anyone know these tubes? - protube@googlemail.com 05:36:00 06/14/17 (11)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:37:05 06/14/17 (10)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:37:50 06/14/17 (9)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:38:17 06/14/17 (8)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:38:36 06/14/17 (7)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:39:23 06/14/17 (6)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:39:58 06/14/17 (5)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:40:17 06/14/17 (4)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:40:36 06/14/17 (3)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:40:59 06/14/17 (2)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:41:17 06/14/17 (1)
- RE: Does anyone know these tubes? - protube@googlemail.com 05:41:42 06/14/17 (0)