Home  Resources  References  Tubes  Forums  Links  Support  Sale 

Tube Substitutions for:
4FS7
Triode-Pentode
TypeSubstitutesBase Diagram
4FS74HG8, 4HG89MP
Web References4FS7 (Mullard) @ Franks Electron Tubes
4FS7 @ RadioMuseum.org


Type 4FS7
Triode-Pentode



MECHANICAL DATA

Basing9MP


© 1996-2021 Nostalgia Air