Tube Substitutions for:
6F33
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 6F33 | 409A, 5725, 6187*, 6AS6W, 6DB6*, 6AS6 |  |
| Notes: | * - Parallel filaments | |
| Web References | 6F33 (AEI) @ Franks Electron Tubes 6F33 (Mazda) @ Franks Electron Tubes 6F33 (Mazda) @ Franks Electron Tubes 6F33 (Tesla) @ Franks Electron Tubes 6F33 @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 7CM |