Russian/Soviet Tube Factories and their Logos 

This remarkable table is courtesy of Eric Barbour
Svetlana Electron Devices

Svetlana Electron Devices, St. Petersburg:

The major Russian power-tube manufacturer. Formerly a part of the huge Svetlana collective factory, now independent. A joint-stock agreement with Svetlana Electron Devices USA has been set up.

Types in production: EL34, SV6L6GC, SV6550C, SV300B, EL509, EF86, 6BM8, 6AS7, 3CX300A1, 6D22S, GP-5, and a long list of large ceramic power types for amateur radio, broadcast, and industrial uses.

Ryazan Plant of Electronics, Ryazan:

Makes power triodes for RF and audio applications. Some are sold outside Russia by Svetlana Electron Devices. Ryazan has also made large thyratrons and pulse tubes.

Types in production: 811A (popular and sold all over the world), 812A, SV811-3, SV811-10, SV572-30, SV572-160, GM-100, others. SV types and 811A are made especially for Svetlana Electron Devices.

Reflector Corp, Saratov:

Makes most of the tubes marketed by New Sensor Co. of New York under the "Sovtek" brand name. Some of these are old Russian types, others are made especially for export.

Types in production: 12AX7 (three variations known), EL34 (2 versions), 6550WE, KT88, 300B, 6B4G, 5AR4, 6L6/5881 (3 variations known), 6922, 6EU7, 7199, EL84 (2 versions), 6P15P. Sovtek also markets 5U4G, 5Y3GT, 6SN7, 6SL7, two 12AX7s and a few other types made at other factories.

Ulyanov, Ulyanovsk:

Large state-owned factory specializes in military eqipment. Also makes tubes for use in military aircraft electronics. Continued production of tubes below cannot be confirmed at this time.

Types in production:GU-50, GU-13/813, 6S33S-V, 6S19P, 6S41P, others. 6S33S-V (often kept in Cyrillic form, 6C33C-B) is becoming popular in high-end amplifiers in America and Japan.

Voskhod, Kaluga:

Large collective factory, makes many ICs and other semiconductors as well as receiving tubes.

Types in production: Makes 6N1P-EV, 6AX7, 12AX7WA/WB, 6SN7, 6SL7 and a few other types sold by various firms outside Russia.


Large collective factory, makes receiving tubes. Continued production could not be confirmed at this time.

Types in production: Unknown.


Continued production could not be confirmed at this time.

Types in production: Unknown.

Poljaron, Lvov (Ukraine):

Makes 833A and some Russian ceramic power types, plus related products such as vacuum capacitors.