Tube Substitutions for:
12DM7
Twin Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12DM7 | 12DW7, 12DM7, 12DT7*, 12AX7*, 12AD7*, 12AX7A*, 12BZ7*, 12DF7*, 7025*, 7025A* |  |
| Notes: | * - Parallel filaments | |
| Web References | 12DM7 (Tung-Sol) @ Franks Electron Tubes 12DM7 @ RadioMuseum.org | |
Twin Triode
MECHANICAL DATA
| Basing | 9A |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | 0.13 | A |