6146 (6146 6146A 6146B) is the most used tubes in final amplifiers in tube and hybrid type transmitters and transceivers for more than 30 years.
QE05/40 Siemens 6146B West Germany output pentode
These are fine QE05/40 6146B made by Siemens in West Germany back in 70s and 80s.
Due to biq quantity in stock all pairs I have for sale are carefully matched
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