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NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
Mullard GZ32 NOS (branded Amperex)- Mint in original box wonderful sub for the 5V4 tube. Made in 1958! Just $199.99. This is a suitable replacement for any GZ32=5V4G=CV593 tube type. Various brands available.
5U4GB is uprated to 275ma
5993=Premium 6X4 with a different pinout
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