Tube Substitutions for:
7F7
High Mu Duo Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7F7 |  | |
| Web References | 7F7 (Sylvania) @ Franks Electron Tubes 7F7 (Tung-Sol) @ Franks Electron Tubes 7F7 @ RadioMuseum.org | |
High Mu Duo Triode
MECHANICAL DATA
| Basing | 8AC |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.3 | A |