Type | Substitutes | Base Diagram |
---|---|---|
VT-27 | ||
Web References | VT-27 @ RadioMuseum.org |
Bulb | ST-12 |
Base | Medium 4 Pin |
Basing | 4D |
Filament Voltage | 2.0 | Volts |
Filament Current | 0.060 | Amps |
Grid-Plate Capacitance | 6.0 | ��f |
Grid-Flimaent Capacitance | 3.7 | ��f |
Plate-Flimaent Capacitance | 2.1 | ��f |
Plate Voltage | 90 | 135 | 180 | Volts |
Grid Voltage | -4.5 | -9.0 | -13.5 | Volts |
Plate Current | 2.5 | 3.0 | 3.1 | Ma |
Plate Resistance | 11000 | 10300 | 10300 | Ohms |
Amplification Factor | 9.3 | 9.3 | 9.3 | x |
Transconductance | 850 | 900 | 900 | �mhos |