Unique vintage tech 128 total items
Foton 1950-70s production, matched quad tested on L3-3, equivalent to 6L6/5881/EL39
Visual level indicator, tested on L3-3, equivalent to 6FG6/6E2, similar to 6E3P
Military-grade subminiature with OTK stamp, rhombus marking, high reliability, 10-tube lot
NEVZ 1970s military-selected, red tip, getter on two wires, matched pair, equiv. to ECC99
Svetlana 1950s production with butterfly getter, matched pair tested on L3-3
Reflector factory, set of 4 with OTK stamp, same date code, original boxes, equiv. to 6SL7/1579
High-voltage teflon/PTFE dielectric, matched pair tested, 1600V rating for audio coupling
Miniature counting tube with blue glow, vintage decimal counter for display projects
Voskhod rocket logo, set of 6 tested/matched, equiv. to E88CC/6DJ8/6922, L3-3 tested
Made by Elesta, sockets included, tested working spinner tube for counting displays
Telam matched pair, tested on L3-3, equivalent to 6F3P/6BM8 combo tubes
German RFT pentodes, set of 4 NOS, equivalent to 6BX6, RF/IF amplifier tubes