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In Reply to: RE: Valvo 6201 What do I have? posted by FenderLover on December 23, 2016 at 18:05:36:
The 6201 is an industrial version of the 12AT7. As i recall the Blue Label Valvo, is designed for medical or high reliability 10,000 hour instrument use. I would have to dig mine out of storage but if they were not made in Holland i think they were made in Germany by Siemens. If Siemens they would have an "SH" which looks like an S with an = sign thru it. Excellent audio tube. Not quite an ECC801S more of an E81CC.
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Follow Ups
- RE: Valvo 6201 What do I have? - DAK 18:39:37 12/23/16 (2)
- RE: Valvo 6201 What do I have? - Permanent Waves 19:47:42 12/23/16 (1)
- RE: Valvo 6201 What do I have? - Nunki 00:59:52 12/24/16 (0)