Tube Substitutions for:
7731
Triode-Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7731 | 6U8, 6EA8, 6LN8, 6CQ8ยง, 6KD8*, 6MQ8*, 6U8A, 6678, 1252 |  |
| Notes: | * - Parallel filaments | |
| Web References | 7731 (CBS-Hytron) @ Franks Electron Tubes 7731 @ RadioMuseum.org | |
Triode-Pentode
MECHANICAL DATA
| Basing | 9AE |