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Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for Vacuum Tubes
Used but passing our stringent testing for NOS and life and durability, these Tung Sol, branded as Tung Sol, Magnavox, and RCA these “coke bottle” shape 6550 with three holes are excellent sounding 6550’s. Matched very tightly, these are extremely hard to come by! A few singles available with broken guide pins. $299.99 per tube. A few pairs/1 Quads available. Please email or contact us for matching availability
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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
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