Tube Substitutions for:
12DT7
High-Mu Twin Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12DT7 | 12AX7, 12DF7, 12AD7*, 12BZ7*, 12DW7, 12AX7A, 7025, 7025A, 12DM7* |  |
| Notes: | * - Parallel filaments | |
| Web References | 12DT7 (Tung-Sol) @ Franks Electron Tubes 12DT7 @ RadioMuseum.org | |
High-Mu Twin Triode
MECHANICAL DATA
| Basing | 9A |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | 0.15 | A |