4 General Electric GE 6X5 6X5GT Vacuum Tubes Rectifiers Lot Of Four Michael Jackson They tested as follows: 56

They tested as follows: 56 and 58 where minimum (65%) is 395 and 100% is 60

new in box Sylvania 12BK5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance was 1670 for Tube One and 1570 for Tube Two where new/nominal is within one standard deviation of 1900

6 volts on the filaments

4 General Electric GE 6X5 6X5GT Vacuum Tubes Rectifiers Lot Of Four Michael Jackson They tested as follows: 56This lot of four of GE GE MANUFACTURED 6X5GT rectifier tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 46 53, 53 37, 55 54 and 66 66 where minimum (65%) is 40 40 and 100% is 62 62. 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