SED Svetlana 6550C -C- Logo powerful and dependable
6L6GC SED Svetlana Electron Device made by the original...
EL34 Svetlana -C-/NOS from 1999 St. Petersburg production....
EL34 SED Svetlana Electron Device made by the original...
SVETLANA / SED winged C logo
Svetlana SV-12AX7 -S- Logo made in Russia Limited Supply!