(!) (SINGLE) 841=VT-51 Hytron NOS 1940”s (5.2ma Gm=1200)

841=VT-51 Hytron NOS 1940”s original box

5.2ma

Gm=1200

SINGLE TUBE, NOT A PAIR

Vplate=425V

Vgrid=-5V

Good Ma range 5-6ma

Good Gm = 1000

TRIODE

(841=Type 10 with mu of 30)