Sovtek 6550WE - From Russia with love. If you have an Audio Research amp, this is the tube you want. These tubes are very rugged, reliable, and sound great. They have a little bump in the midrange, tight bass, good top end extension. Pricing above is for a single tube.

The Sovtek 6550WE 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.

Order Sovtek 6550WE vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.

The Sovtek 6550WE has higher gain / output than most others and really has a ballsy sound. Recommended for any bass application and most Hi-Fi amps. This tube has a slight bump in the midrange making it a great choice for lead guitar.

Sovtek 6550WE Power Tubes Features: Matched duet of 6550WE tubes from Sovtek; Higher output tailor-made for gain-drenched applications; Military-grade construction ensures unfailing reliability; Recommended for use in Ampeg SVT amps; Fantastic sonic …

The Sovtek 6550WD and 6550WE were designed to be the finest 6550's ever produced. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity are just some of the inherent aspects of the new Sovtek super 6550's. Sovtek tubes …

The Sovtek 6550WE 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.

New, factory Platinum matched set of SIX MATCHED SOVTEK 6550WE tubes. These are burned-in for 24 hours and then factory matched at real world voltages. Finally the test results are factory labelled on each tube box.