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NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
$975.00
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select for balanced sections
Balanced sections ($10.00)
Precision state-of-the-art matching for pairs, quads etc for all tubes
Matching ($5.00)
One piece available in original box NOS. This is the rarest of the rare of any 12AU7 tube type. Manufactured in the UK.
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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
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