Tube Substitutions for:
12FX5
Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12FX5 | 12ED5, 12EH5, 12DM5, 12CA5, 12AS5, 12EH5* |  |
| Notes: | * - Parallel filaments | |
| Web References | 12FX5 (RCA (HB3)) @ Franks Electron Tubes 12FX5 (Tung-Sol) @ Franks Electron Tubes 12FX5 (RCA (RC30)) @ Franks Electron Tubes 12FX5 @ RadioMuseum.org | |
Pentode
MECHANICAL DATA
| Basing | 7CV |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | A |