Tube Substitutions for:
1F3
Variable Mu RF Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1F3 | 1AE4*, 1AF4*, 1AJ4*, 1AM4*, 1T4SF*, 1T4WA, 1T4 |  |
| Notes: | * - Parallel filaments | |
| Web References | 1F3 (Mazda) @ Franks Electron Tubes 1F3 @ RadioMuseum.org | |
Variable Mu RF Pentode
MECHANICAL DATA
| Basing | 6AR |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 1.4 | Volts |
| Heater Current | 0.05 | A |