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Tube Substitutions for:
AB1
Double Diode
Type
Substitutes
Base Diagram
AB1
A4DD, DD465, TB1, TAB1, WE31, 2D4, RAB1, VAB1, D401, 4A13_Ultron, D41_Geco, DD, NDD40
Web References
AB1 (Philips) @ Franks Electron Tubes?
AB1 @ Radiomuseum
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