Sylvania Black Plate 5U4 5U4G Hanging Filament Vacuum Tube Rectifier Shoulder ST Shape 6MV8 Nonal T24 This lot of three RCA

This lot of three RCA number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

It measured 57/59 where minimum (65%) is 40/40 and 100% is 62/62

WE HAVE A MODEST SELECTION OF LIGHTING SUPPLIES TUBES

They have double O getters

not included) with Pink Floyd's "Obscured By Clouds" and it sounds terrific

Sylvania Black Plate 5U4 5U4G Hanging Filament Vacuum Tube Rectifier Shoulder ST Shape 6MV8 Nonal T24 This lot of three RCAThis Sylvania MANUFACTURED, Admiral BRANDED hanging filament 5U4G rectifier tube tested 54 in Section One and 56 in Section Two on our Paul Hart calibrated TV7 U where minimum (65%) is 40 40 and 100% is 62 62. It has a 312 813 provenance date code; underwhelming flashing; a bottom D or perhaps U getter and wire snubbers. 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"