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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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In Reply to: RE: Most commonly it is not steel, but... posted by jea48 on June 19, 2016 at 08:38:44:
The term "steel" doesn't always get used in the strictest metallurgical sense. I think steel is commonly used to describe the pins because they're usually quite magnetic. The material I've seen referenced in tube manuals and such is "kovar", a nickel/cobalt/iron alloy with coef of thermal expansion similar to borosilicate glass. The alloy also bonds well to glass and is apparently magnetic too. Seems if one believes magnetic conductors distort music signals, tubes should not be in the signal path...LOL.
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Follow Ups
- RE: Most commonly it is not steel, but... - Steve O 12:44:03 06/19/16 (4)
- Yes, kovar is right - Victor Khomenko 13:01:55 06/19/16 (3)
- RE: Yes, kovar is right - Chip647 05:28:34 06/20/16 (2)
- RE: Yes, kovar is right - Victor Khomenko 06:04:44 06/20/16 (1)
- RE: Yes, kovar is right - Triode_Kingdom 09:05:23 06/20/16 (0)
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