Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments 6L6WGA

Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments 6L6WGAThis 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

These tubes have silver and gray bottles

It was manufactured in the Soviet Union

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

It is extremely-quiet with nice fidelity

One is milspec

new in box Sylvania 7Y4 tubes in this lot

3 milliamps while Tube Two’s was 28

This trio of Toshiba output tubes was tested on our Maxi-Matcher in Real World Conditions with 400 volts on the plates and a bias of -36 volts for shorts

new in box GE 12BK5 tube tested to spec on our Paul Hart-calibrated TV7/U

3 milliamps/1830 micromhos with 400 volts on the plates and a bias of -36 volts

clear bottle 12SL7GT dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

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