See here:
https://www.radiomuseum.org/tubes/tube_cv25.html
http://www.r-type.org/exhib/aaq0308.htm
http://www.r-type.org/exhib/zaa0207.htm
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NOS Tubes CV25 Haltron
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NOS Tubes CV25 Haltron
Hi guys!
I have a matched pair of NOS Tubes CV25 Haltron, and I can't find any information about them. Are they also STC4211? Are they made in the USA? Are they made of graphite?
Any clues about their value?
https://ibb.co/r6Z9Fhx
Thanks for your time!
Kindest regardsTags: None
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