| Type | Substitutes | Base Diagram |
|---|---|---|
| EB4 | TEB4, MEB4, DD6DS, VEB4, 6E3_Ultron | |
| Web References | EB4 (Philips) @ Franks Electron Tubes? EB4 (Philips) @ Franks Electron Tubes? EB4 (Philips) @ Franks Electron Tubes? EB4 (Philips) @ Franks Electron Tubes? EB4 (Philips) @ Franks Electron Tubes? EB4 (Philips) @ Franks Electron Tubes? EB4 @ Radiomuseum | |