22
- First year: 1927
- Base: UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bu) Top contact with a cap
- Filament: Vf 3 Volts / If 0.13 Ampere / Direct / Battery = /
- Identical to: 22 = RF22 = PH222 = 222 = 38002 = VT-26
- Tube type: Screen-grid Tetrode RF/IF-Stage
Published by:
dido