Type | Substitutes | Base Diagram |
---|---|---|
33 | ||
Web References | 33 (RCA) @ Franks Electron Tubes 33 (RCA (HB3)) @ Franks Electron Tubes 33 (Sylvania) @ Franks Electron Tubes 33 (Tung-Sol) @ Franks Electron Tubes 33 @ RadioMuseum.org |
Bulb | ST-14 |
Base | Medium 5 Pin |
Basing | 5K |
Filament Voltage | 2.0 | Volts |
Filament Current | 0.260 | Amps |
Plate Voltage | 135 | Volts |
Screen Voltage | 135 | Volts |
Grid Voltage | -13.5 | Volts |
Plate Current | 14.5 | Ma |
Plate Resistance | 50000 | Ohms |
Amplification Factor | 70.0 | x |
Transconductance | 1450 | �mhos |
Load Resistance | 7000 | Ohms |
Undistorted Power Output | 0.7 | Watt |