Type | Substitutes | Base Diagram |
---|---|---|
7S7 | 7J7, 7J7 | |
Web References | 7S7 (RCA (HB3)) @ Franks Electron Tubes 7S7 (Tung-Sol) @ Franks Electron Tubes 7S7 (Brimar) @ Franks Electron Tubes 7S7 @ RadioMuseum.org |
Basing | 8BL |
Heater Voltage | 6.3 | Volts |
Heater Current | 0.3 | A |