6U8A/6KD8 National Sharp-Cutoff Pentode Medium-Mu Triode Vintage Miniature Vacuum Tube 9-Pin NOS New Old Stock in Box
A study for the Implementation of Super Triode Connection (STC) Amplifiers
ECF82 / 6U8A / 6KD8 EI/Y
6U8A \ ECF82 GE NOS USA. Laboratorio Musicale
6U8A / 6AX8 Triode-Pentode. A vacuum tube by RCA U.S.A. #18153 | M-Ware
The AA8V 6x2 Superheterodyne Receiver - IF Amplifier Schematic Diagram and Circuit Description
6U8A for Marshall kind of Preamp - The Amp Garage
7199 @ The Valve Museum
Coppia: Philips ECG JAN 6U8A tubi a vuoto nuovo vecchio stock scatola originale ottime condizioni codici data corrispondenti tubo NOS 6U8 - Etsy Italia
RCA JAN 6U8A vacuum tube new old stock original box excellent condition March 1972 date code 6U8 - Etsy Italia
6U8A JAN
2 X 6U8A HP TUBE. 1960s GE PROD. COPPER RODS. PAIR. CO ENA