| Type | Substitutes | Base Diagram |
|---|---|---|
| AF3 | WE33, A4AMS3, TAF3, TF3, 4H2, RAF3, VAF3, 4A17_Ultron, UAF3, 4E201, 4F3, HPS4A, VH3_Oxytron | |
| Web References | AF3 (Philips) @ Franks Electron Tubes? AF3 (Philips) @ Franks Electron Tubes? AF3 (RFT) @ Franks Electron Tubes? AF3 @ Radiomuseum | |