Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments 6L6WGA These five US-made 6F5s were

These five US-made 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

Tube One has a crack in its Bakelite base (please see Picture) but is nonetheless securely-attached to its bottle

new in box Sylvania 7Y4 tubes in this lot

It is extremely-quiet with nice fidelity

Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments 6L6WGA These five US-made 6F5s wereThis Philco 5Y4G rectifier tube tested 46 46 where minimum (65%) is 40 40 and 100% is 62 62. It has the nostalgic shoulder Coke bottle glass envelope; hanging filaments; a round, top mica spacer with mica snubbers; an engraved base; a bottom, dimple, sheet getter; nice flashing and ribbed, black plates. It has some oxide shedding. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE