Tube Substitutions for:
13DR7
Duo Dissimilar Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 13DR7 | 13FD7, 13FR7, 13FR7 |  |
| Web References | 13DR7 (Tung-Sol) @ Franks Electron Tubes 13DR7 @ RadioMuseum.org | |
Duo Dissimilar Triode
MECHANICAL DATA
| Basing | 9HF |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 13 | Volts |
| Heater Current | 0.45 | A |