No products in the cart.
Need help? Call us 713-471-5408
NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
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.
Hours of Operation:
M-F 7:30AM-3:30PM CST