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Tube Substitutions for:
3DY4A
Medium-Mu Triode
Type
Substitutes
Base Diagram
3DY4A
3DY4
Web References
3DY4A (Sylvania) @ Franks Electron Tubes
3DY4A @ RadioMuseum.org
Type
3DY4A
Medium-Mu Triode
MECHANICAL DATA
Basing
7DK
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