Zenith 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Engraved Base Stamped Base new in box RCA 17KV6

new in box RCA 17KV6 tubes tested to spec on our on our Paul Hart-calibrated TV7/U

IN NEARLY 9000 SALES

side harp getters

Tube One measured 60 while Tube Two measured 62 where minimum (65%) is 55 and 100% 85

Zenith 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Hanging Filaments Engraved Base Stamped Base new in box RCA 17KV6This Zenith 5Y4G rectifier tube tested 57 54 where minimum (65%) is 40 40 and 100% is 62 62. It has the nostalgic shoulder Coke bottle glass envelope; hanging filaments; a phi shaped, top mica spacer; an engraved base; a bottom, dimple, sheet getter; excellent flashing and smooth, 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