7586 Siemens West Germany nuvistor NOS 1960's (91/60) (AKG C12A mic)

7586 Siemens West Germany NOS 1960's

1) 84/60 faded printing on can

(Medium-Mu Triode, first one announced for general industrial and UHF use)
(Vfil: 6.3V @ 135ma, Mu=35, Gm=11500, Pout=1W)
(Could give 650mW output at 160Mhz from B+ of 120V)
(Variants: 7895, 8056, 8393)

- AKG C12A microphone