| Type | Substitutes | Base Diagram |
|---|---|---|
| CX371A | 71A, UX171A, CX71A, 4616_WLS, 57T171A, J71A, ER71A, 071A, ER171A, AC4, X-171A, RYB171A, DX-171A, VX171A, AX-171A, T-71A, T-171A, LS171A, MX171A, JX-171A, SLX171A, RX171A, RayX-171A, TC171A, PR61, GX171A, D171AC, KH-6, PA171A | |
| Web References | CX371A (Cunningham) @ Franks Electron Tubes? CX371A @ Radiomuseum | |