Type | Substitutes | Base Diagram |
---|---|---|
5687 | 5687WA | 9H |
Web References | 5687 (RCA (HB3)) @ Franks Electron Tubes 5687 (Tung-Sol) @ Franks Electron Tubes 5687 (CSF) @ Franks Electron Tubes 5687 @ RadioMuseum.org |
Basing | 9H |
Heater Voltage | 6.3 | Volts |
Heater Current | 0.9 | A |