(!!) (Recommended Pair) 0B3 Sylvania NOS 1960's (argon)
By Tube World
$ 12.99
Sorry, this product is sold out!
1 pair) 0B3 Sylvania NOS 1960's
- ARGON GAS
(OB3=voltage regulator; 90V @ 5-40ma) (argon gas)
- Decware Torii MKIV
See more: vacuum tube