Tube Substitutions for:
12DK7
Duo Diode - Tetrode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12DK7 |  | |
| Web References | 12DK7 (RCA (HB3)) @ Franks Electron Tubes 12DK7 (Tung-Sol) @ Franks Electron Tubes 12DK7 @ RadioMuseum.org | |
Duo Diode - Tetrode
MECHANICAL DATA
| Basing | 9HZ |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | 0.5 | A |