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)
GE 6072A Double Mica version from 1960’s= ruggedized / low microphonics 12AY7, heater current is higher than a standard 12AY7 tube at 175ma.
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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
Hours of Operation:
M-F 7:30AM-3:30PM CST