Tube Substitutions for:
1F4
Power Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1F4 | 33, 2101 |  |
| Web References | 1F4 (RCA) @ Franks Electron Tubes 1F4 (RCA (HB3)) @ Franks Electron Tubes 1F4 (Sylvania) @ Franks Electron Tubes 1F4 (Tung-Sol) @ Franks Electron Tubes 1F4 @ RadioMuseum.org | |
Power Pentode
MECHANICAL DATA
| Basing | 5K |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 2 | Volts |
| Heater Current | 0.12 | A |