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Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for Vacuum Tubes
NOS Siemens 5751 Tubes-Extremely Rare! Made in West Germany, in original military boxes. Detailed, Beautifully clear and transparent top end, very defined and tight bass. NOS Siemens NIB 5751 Triple Mica $299.99 each per low noise tube Over 100 pcs in original military boxes. This is a suitable replacement for any 5751 tube type.
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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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