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Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for Vacuum Tubes
These 1970-1980’s JAN Sylvannia 5687WB (branded either Sylvania or Phillips ECG) tubes are excellent. Extra durable mil spec production and fantastic fidelity make them one of the best values out there in the 5687 tube type! Just $39.99 per tube! Enter qty 2 for a matched pair!
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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 is a suitable replacement for any 12AU7 tube type. Various brands available.
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