6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six 5V6GT Octal gray plates and excellent flashing

gray plates and excellent flashing

There were no shorts or gas and they all measured 2200 micromhos where new/nominal is 2000 and minimum (65%) is 1300

There was no gas

new in box US-made 12K7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

IF THERE WERE A TEST FOR FUTURE FAILURE

6 RCA 50B5 Vacuum Tubes Valves Black Plate Lot Of Six 5V6GT Octal gray plates and excellent flashingThese six RCA black plate RCA 50B5 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 40, 44, 48, 48, 61 and 66 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