All prices are per tube$35.00
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 $69.99 per pair, 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!
All prices are per tube$249.99
These amazing tubes are getting harder and harder to find! These are all NOS and will be supplied in either original boxes or white boxes! Get them while they last! Just $249.99 per tube! (each tube matched on our Amplitrex AT-1000 and Maxi-matcher within 1-3 mA of each other)
All prices are per tube$37.50
Super Heavy Duty Russian made Sovtek 6550WD
The Sovtek brand of military grade vacuum tubes are made in Russia and considered to be among the finest currently available. The Sovtek 6550WD was designed to be the finest 6550 ever produced. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity are just some of the inherent aspects of the new Sovtek super 6550s. The resulting performance advantages include 5% higher output power, increased reliability, greater headroom, and superior tone. The 6550WD features a plastic base. Matching power tubes for equal current draw is important for maximum performance.
Order now. All pieces matched within 1-3 mA! Just $37.50 per tube!
All prices are per tube$225.00
NOS Sylvania 6550 Metal Base $299.99 per tube! Over 60 pcs In Stock! Extremely tight matching! Extremely rare! Best sounding next to Tung Sol,,,extremely open, lively, and dynamic! Amazing highs and very tight bass response! Order now. All pieces matched within 1-3 mA!
All prices are per tube$375.00
Made by Tung Sol, branded as Tung Sol, Magnavox, and RCA these "coke bottle" shape 6550 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. $375 per tube. A few pairs/1 Quads available.