Ken-Rad 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape 84 Eightyfour This lot of five RCA

This lot of five RCA new old stock

The spine is in fine shape with no loose pages and the dust jacket is also in good shape

Transconductance measured 8800 micromhos and late current draw was 48

Both tubes are the same on the inside with top D getters

noise or gas and it tests as follows:

Ken-Rad 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape 84 Eightyfour This lot of five RCAThis Ken Rad 5Y4G rectifier tube tested 38 42 where minimum (65%) is 40 40 and 100% is 62 62. It has the nostalgic shoulder Coke bottle glass envelope; a round, top mica spacer with wire snubbers; a bottom, sheet getter; nice flashing and lightly ribbed, 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 202 372 6931 IF YOU DO NOT