Remote Cutoff Pentode
The 34 Vacuum tube, first manufactured by RCA in 1930,
is a glass type used as an RF or IF
amplifier in battery-operated radio receivers.
Electrical Data:
Filament Voltage ........................... 2.0 DC V
Filament Current ............................. 0.06 A
Preferred Substitutes ......................... 1A4
Substitutes ................................ 1B4 32