Tube Substitutions for:
11BT11
Double Triode-Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 11BT11 |  | |
| Web References | 11BT11 (General Electric) @ Franks Electron Tubes 11BT11 (RCA (RC30)) @ Franks Electron Tubes 11BT11 @ RadioMuseum.org | |
Double Triode-Pentode
MECHANICAL DATA
| Basing | 12GS |