Sylvania 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Colors Of The Day These tubes have engraved bottles

These tubes have engraved bottles

There are nine new old stock

There were no shorts or gas and transconductance measured as follows:

This Moss Music Group DBX pressing has no surface noise but a very few pops and ticks

Sylvania 5Y4 5Y4G Vacuum Tube Black Plate Rectifier Shoulder ST-Shape Colors Of The Day These tubes have engraved bottlesThis Sylvania 5Y4G rectifier tube tested 62 54 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, dimpled 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