otdyntub 5AR4 GZ34 Sovtek Russia5AR4/GZ34 Sovtek Russia tube. Might be White Box From Bulk Pack. 5ar4sovtek$19.75 5AR4 GZ34 Tesla/JJ TubeNew version of 5AR4 GZ34 by Telsa/JJ-Electronic. gz34jj$15.65 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$11.75 6AN8 A Tube6AN8/6AN8A NOS tubes. Various brands. 6an8a$12.95 6AQ8 ECC85 Tube 6aq8ecc85$19.95 6AT8A NOS Tube 6at8$2.95 6BA6 EF93 CV4009 Tube6BA6/EF93 (CV4009) Tube Made by Sovtek 6ba6$8.95 6BL8 ECF80 TubeVarious Brands 6bl8ecf80$8.75 12DW7 7247 ECC832 JJ-Tesla Tube12DW7 7247 JJ/Tesla tube made in Slovak Republic. Same style of construction as their 12AX7/ECC83. 12dw77247ecc832jj$11.75 12DW7 7247 Ei Yugoslavia TubeNO LONGER A STOCKED ITEM 12DW7 7247 Standard Ei tube made in Yugoslavia. Their copy of the old Telefunken flat plate model. 12dw77247ei-elite$12.95 12X4 Rectifier TubeNice new old stock 12X4 tubes, various brands, USA. Used in the dynaco PAS Preamps. Limit 2 per customer. 12x4$13.95 7199 Sovtek (Russia) TubeNO LONGER A STOCKED ITEM This Tube has been discontinued so we are limited so what stock we have left on hand, Get them while you still can! 7199sov$24.95 7199 Philips ECG (USA) TubeNO LONGER A STOCKED ITEM 7199philips$37.95 6GH8A to 7199 Tube Socket Adapter Single 6GH8A to 7199 tube socket adapter. Simply plug these adapters into a socket that is pined-out for a 7199 tube and insert a 6GH8A tube into the adapter. This is intended to make an easy transition to the inexpensive 6GH8A tube as a direct plug-in adapter to replace the now expensive and hard to find 7199 tube. This will work for any tube amp that uses the 7199 tube. Every one is made by hand! These adapters are tested individually with a 6GH8A tube inserted into an ST-70 amp and are in great working condition as new. Same width dimensions as the tube, so they fit in shielded sockets nicely. 7199converter$23.95 6GH8A to 7199 Tube Socket Adapter Pair Pair of 6GH8A to 7199 tube socket adapters. Simply plug these adapters into a socket that is pined-out for a 7199 tube and insert a 6GH8A tube into the adapter. This is intended to make an easy transition to the inexpensive 6GH8A tube as a direct plug-in adapter to replace the now expensive and hard to find 7199 tube. This will work for any tube amp that uses the 7199 tube. Every one is made by hand! These adapters are tested individually with a 6GH8A tube inserted into an ST-70 amp and are in great working condition as new. Same width dimensions as the tube, so they fit in shielded sockets nicely. 7199converterpair$46.90 Triode Electronics Inc. 3890 Commerce Drive St. Charles, IL 60174 USA Ph 773-427-8823 (773-HAS-TUBE) Open 10:30 AM to 5 PM CT Monday-Tuesday-Thursday-Friday