Tube Substitutions for:
1AF4
Sharp-Cutoff Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1AF4 | 1U4, 1AM4, 1AJ4, 1T4SF, 1AE4*, 1T4*, 1U4* |  |
| Notes: | * - Parallel filaments | |
| Web References | 1AF4 (Tung-Sol) @ Franks Electron Tubes 1AF4 (Sylvania) @ Franks Electron Tubes 1AF4 @ RadioMuseum.org | |
Sharp-Cutoff Pentode
MECHANICAL DATA
| Basing | 6AR |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 1.4 | Volts |
| Heater Current | 0.025 | A |