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Tube Substitutions for:
 ECC40
 Double Triode
TypeSubstitutesBase Diagram
ECC40CV3884, AA61
Web ReferencesECC40 (Mazda-Belvu) @ Franks Electron Tubes?
ECC40 (La Radiotechnique) @ Franks Electron Tubes?
ECC40 @ Radiomuseum


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