Ken-Rad 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape 84 Eightyfour Transconductance measured 8800 micromhos and

Transconductance measured 8800 micromhos and late current draw was 48

new in box RCA 12JQ6 tube tested to spec on our Paul Hart-calibrated TV7/U

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

This National Union plate 813 output triode was tested on our Paul Hart-calibrated for shorts

noise or gas and it tests as follows:

Ken-Rad 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape 84 Eightyfour Transconductance measured 8800 micromhos andThis 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