4 Ken-Rad 50L6 50L6GT Vacuum Tubes Valves Black / Gray Glass Lot Of Four Matched Pair 6AX4 new in box Italian Sylvania

new in box Italian Sylvania 12SN7GTA dual triode was tested on our Hickok 600A for shorts

42 and 56 where minimum (65%) is 40

It was made in Germany

36/37 and 40/38where minimum (65%) is 40/40

top mica spacers with smooth-sided rectangular bottom mica spacers

4 Ken-Rad 50L6 50L6GT Vacuum Tubes Valves Black / Gray Glass Lot Of Four Matched Pair 6AX4 new in box Italian SylvaniaThis lot of four Ken Rad coated glass 50L6GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 38, 58, 60 and 68 where minimum (65%) is 45. 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. 1. MOST