Tube Substitutions for:
7F8
Duo Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7F8 | 7F8W |  |
| Web References | 7F8 (Tung-Sol) @ Franks Electron Tubes 7F8 @ RadioMuseum.org | |
Duo Triode
MECHANICAL DATA
| Basing | 8BW |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.3 | A |