3 RCA Number / Type 19 #19 Vacuum Tubes Valves Lot Of Three NOS-Testing February 06 2025 Both measured 54 were minimum

Both measured 54 were minimum (65%) is 36 and 100% is 55

These tubes have gray plates

Four are Philips and one is Matsushita

This lot of six US-made mesh plate

This lot of nine RCA black plate

3 RCA Number / Type 19 #19 Vacuum Tubes Valves Lot Of Three NOS-Testing February 06 2025 Both measured 54 were minimumThis lot of three RCA number 19 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 34 34, 44 44 and 46 45 where minimum (65%) is 25 25 and 100% is 38 38. 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 SEE WHAT YOU NEED OR HAVE ANY QUESTIONS.