Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods Fawcett Columbine a crenelated

a crenelated

BUT THAT DEPENDS ON THE LUCK OF THE DRAW

gray plates and bottom

TV7/U readings are in (parenthesis)

Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods Fawcett Columbine a crenelatedThis matched pair of GE 6SN7GTB dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and transconductance measured as follows: Tube One: 75 70 Tube Two: 79 74 Bogey: Minimum (65%) is 50 50; 100% is 77 77 Physical Characteristics: Bases: tall Bottles: medium height Date Codes: 56 13 and 58 43, respectively EIA Factory Codes: 188 4 and 188 5, respectively Getters: mid bottle, harp