| Type | Substitutes | Base Diagram |
|---|---|---|
| CY2 | TCY2, UY2_Dario, MCY2, 30BG, UVG51, G3060, VCY2, 13U7_Ultron, 1D4_Brimar | |
| Web References | CY2 (Philips) @ Franks Electron Tubes? CY2 (Philips) @ Franks Electron Tubes? CY2 (Philips) @ Franks Electron Tubes? CY2 (Philips) @ Franks Electron Tubes? CY2 (Mullard) @ Franks Electron Tubes? CY2 @ Radiomuseum | |