Zenith 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Engraved Base Stamped Base Tube One measured 60 while

Tube One measured 60 while Tube Two measured 62 where minimum (65%) is 55 and 100% 85

Transconductance readings are 44

It measured 62 where minimum (65%) is 40

I can't tell you how they sound as we don't have any equipment that runs them

Zenith 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Engraved Base Stamped Base Tube One measured 60 whileThis Zenith 5Y4G rectifier tube tested 57 54 where minimum (65%) is 40 40 and 100% is 62 62. It has the nostalgic shoulder Coke bottle glass envelope; hanging filaments; a phi shaped, top mica spacer; an engraved base; a bottom, dimple, sheet getter; excellent flashing and smooth, black plates. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT