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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Hi everyone,
I need to determinate the manufacturing place/year of this Siemens CCa. Having exhausted my typical sources of information, I still cannot determine.
Useless is data codes from:
http://www.audiotubes.com/mullcode.htm
Or from:
https://www.tubemuseum.org/SearchResults.asp?Cat=24
The codes are on metal tag factory(see photographs):
A4
8J
On glass: 09029
Can anyone help?
Thanks in advance.
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Topic - CCa Siemens Identification (with actual photos) - beto1 14:49:41 02/12/21 (11)
- RE: CCa Siemens Identification (with actual photos) - erik 08:23:33 02/13/21 (1)
- RE: CCa Siemens Identification (with actual photos) - beto1 08:54:30 02/13/21 (0)
- RE: CCa Siemens Identification (with actual photos) - JazzDude 22:40:06 02/12/21 (8)
- RE: CCa Siemens Identification (with actual photos) - beto1 05:18:35 02/13/21 (0)
- RE: CCa Siemens Identification (with actual photos) - Nunki 04:59:20 02/13/21 (6)
- RE: CCa Siemens Identification (with actual photos) - beto1 05:23:10 02/13/21 (5)
- RE: CCa Siemens Identification (with actual photos) - Nunki 06:45:18 02/13/21 (4)
- RE: CCa Siemens Identification (with actual photos) - Nunki 06:59:13 02/13/21 (3)
- RE: CCa Siemens Identification (with actual photos) - beto1 07:35:20 02/13/21 (2)
- RE: CCa Siemens Identification (with actual photos) - Nunki 07:40:07 02/13/21 (1)
- RE: CCa Siemens Identification (with actual photos) - beto1 08:19:46 02/13/21 (0)
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