Rectifier Tubes.... where country of origin not specified, new old stock tubes are supplied, please enquire if you want to know exact brands & origin of stock on hand. 5AR4/GZ34 Sovtek-Russia A new, improved 5AR4/GZ34 from Sovtek.. 5R4-WGB USA (Cetron) Same as used in B52-B bombers. Replaces 5R4-GY, GYA & GYB but has a heavy-duty "high-wall" hi-temp base and extra thick glass. Very unique looking tube. Rectifier Tubes rectub5u45ar 5AR4 GZ34 Tesla/JJ Tube New version of 5AR4 GZ34 by Telsa/JJ-Electronic. gz34jj$17.95 5AR4 GZ34 Sovtek Russia 5AR4/GZ34 Sovtek Russia tube. 5ar4sovtek$21.95 Solid State Plug in Rectifier 5U4 5AR4 5Y3 (T-SSR01) This is great for those who want to try solid state rectification, without any modifications or soldering. Just plug in, rebias, and enjoy. If you are replacing a 5AR4 let the tubes warm up a little before applying signal. Makes it easy to change between tube and solid state rectification. ssr$11.95 5U4 GB ElectroHarmonix Russia Tube New 5U4GB from Electro-Harmonix, very good copy (same internal construction and bulb shape) as old US made 5U4GB. 5u4gbeh$14.95 5U4 USA NOS tube Various Brands 5U4 USA NOS tube Various Brands 5U4USA$12.95 5Y3 GT Sovtek Russia Indirectly heated Russian version of 5Y3GT, (like 6106 USA) puts out a little more voltage than regular USA 5Y3's. 5y3gtsovtek$18.95 6AX5 GT USA Made NOS Tube 6AX5GT USA Made NOS Tube Various Brands 6ax5gt$6.95 JJ / Tesla EZ81 6CA4 Rectifier Tube New version of EZ81/6CA4 by Telsa/JJ-Electronic. High Quality, & Very Dependable! jjez81$13.50 6CA4 EZ81 Electro Harmonix Rectifier Tube 6CA4/EZ81 Electro-Harmonix made in Russia. 6ca4ez81$14.95 EZ80 6V4 Rectifier Tube NOS 6V4 EZ80 Rectifier Tube, NOS. 6v4ez80$16.95 6X4 NOS Tube Various USA nice new old stock 6X4/EZ90's. Replace all 6X4,6X4W,6X4WA, EZ90 tubes 6x4$10.95 6X5GT CV574 Russia Tube 6X5GT Russian tube, in British military boxes labelled CV574. 6x5gtrussiaRegular price: $6.45Sale price: $5.95 6X5GT Brimar NOS Tube Nice NOS "Foreign Made" Brimar 6X5GT/EZ35 tube 6x5brimar$12.45 5R4 WGB (USA) Tube 5R4WGB (USA) Tube. Heavy tall vibration resistant base, as formerly used in B52 bombers. Replaces all 5R4 versions... 5R4GY, 5R4GYB, 5R4GYA, 5R4WGT, 5R4WGA and 5R4WGB. 5r4wgbcetron$17.95 12X4 Rectifier Tube 12x4 tube, used in the Dynaco PAS Preamps. 12x4$11.95 Triode, USA For Customer Service, Questions, Shipping, Ordering, etc., M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com TECH SUPPORT is available 4 days per week: 9 AM to 4 PM CT Monday, Tuesday, Thursday & Friday Ph 1-800-774-3201 Or email: tech@triodestore.com