Tube Substitutions for:
B339
| Type | Substitutes | Base Diagram |
|---|---|---|
| B339 | 12AD7*, 12AU7§, 12AU7A§, 12AX7A, 12AX7WA, 12BZ7*, 12DF7, 12DM7*, 12DT7, 5751*, 5751WA*, 6057, 6681, 7025, 7025A, 7494, 12AX7 |  |
| Notes: | * - Parallel filaments | |
| Web References | B339 (Marconi) @ Franks Electron Tubes | |
MECHANICAL DATA
| Basing | 9A |