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NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
select for balanced sections
Balanced sections ($10.00)
Precision state-of-the-art matching for pairs, quads etc for all tubes
53KU=GZ37 Base is cracked/repaired but functions tests perfectly. Rare black base version of CV378=GZ37 tube type. Only one piece available.
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5U4GB is uprated to 275ma
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