Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes
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NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
select for balanced sections
Balanced sections per tube ($25.00)
Precision state-of-the-art matching for pairs, quads etc for all tubes
Matching per tube ($10.00)
RCA 5670. Only one piece available with triple mica black plates.
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USA made 6688=E180F These 6688A have black plates, nickel pins, and Amperex orange globe printing
10,000 hour heater, frame grid, broadband Pentode
This Amperex branded 6679 was made in in eastern europe and is an excellent value in the 12AT7 tube category. Far exceeding thquality of any 12at7 tube being made today.
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