Description
*Fantastic Tubes 🎷 🎶 * One tube , circa 1960 , Germany made by Siemens, type 6BQ5 / EL84 vacuum tube as pictured . <<<<< As pictured = What you see is what you get. >>>>> Condition: Nice looking with very solid silvering top getter Auditioned, so Guaranteed Plug & Play Silk-Screening: please refer to photos Acid Etched Fatctory/Date Codes: rX5 / ≠0G Tube features gray plate and a top-mounted 'halo-ring' getter construction. * Hickok 539B * tested Test Result (Gm) Tube#1 10600 minimum recommended value for a good tube 5650 * Hickok 539B is a mutual conductance (Gm) type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age. Satisfaction Guaranteed! *Fantastic Tubes !!! 🎷 🎶