Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Sixteen LPs Listed These tubes have copper support

These tubes have copper support rods

I am playing them as I write in my Alan Eaton single-ended 45 amplifier with RCA Living Stereo's CD of Bartok's "Concerto For Orchestra

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

I just cleaned this four LP set on my VPI 16

new in box 7F8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Philco 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Sixteen LPs Listed These tubes have copper supportThis Philco 5Y4G rectifier tube tested 54 49 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. 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