Tube Substitutions for:
B749
| Type | Substitutes | Base Diagram |
|---|---|---|
| B749 | 12AU7A, 12AU7W, 12AU7WA, 12AX7§, 12AX7A§, 5814*, 5814A, 5814WA*, 5963, 6067, 6189, 6680, 7316, 7489, 12AU7 |  |
| Notes: | * - Parallel filaments |
MECHANICAL DATA
| Basing | 9A |
| Type | Substitutes | Base Diagram |
|---|---|---|
| B749 | 12AU7A, 12AU7W, 12AU7WA, 12AX7§, 12AX7A§, 5814*, 5814A, 5814WA*, 5963, 6067, 6189, 6680, 7316, 7489, 12AU7 | |
| Notes: | * - Parallel filaments |
| Basing | 9A |