Nostalgia Air: Tube Substitution for AH1

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Tube Substitutions for:
AH1
HEXODE

Type	Substitutes	Base Diagram
AH1	TAH1, VX4S, TH1, 4H3, 4A19_Ultron
Web References	AH1 (Philips) @ Franks Electron Tubes? AH1 (Philips) @ Franks Electron Tubes? AH1 (Telefunken) @ Franks Electron Tubes? AH1 @ Radiomuseum