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Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for Vacuum Tubes
We have some lightly pre-owned GE 6550A. They have passed all of our test for new tubes including a life test but were previously installed into equipment. These amazing tubes are getting harder and harder to find! These are all lightly used and will be supplied in white boxes! Get them while they last! Just 199.99 per tube! (each tube matched on our Amplitrex AT-1000 and Maxi-matcher within 1-3 mA of each other)
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Black Plate Tung Sol 6550, branded as Tung Sol, Sylvania, Magnavox, and RCA these "coke bottle" shape 6550 with solid black plates are the creme de la creme of 6550's. Matched very tightly, these are extremely hard to come by! A few singles available with broken guide pins. $799.99 per tube. Please email or contact us for matching availability
Sino/Chinese Shuguang KT88 - Billington Gold Triple tested and matched. These are excellent sounding KT-88 from China-GUI GUANG at an EXCELLENT price! Just $49.99 per tube, provided in original boxes. Matched to perfection within 1-3mA. This is a suitable replacement for any 6550/KT-88 tube type. Please enter qty for a matched pair, or qty 4 for a matched quad!
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