Matched Pair RCA-Victor 6K6 6K6GT Vacuum Tubes August 22 2024 new in box Zenith 2BU2
$13.32
Description
new in box Zenith 2BU2 / 2AS2 / 2AS2A / 2AH2 tested to spec on our Paul Hart-calibrated TV7/U
From left to right
This perfectly-balanced GE Number 80 rectifier tube was tested on our Paul Hart-calibrated tube tester for shorts
new in box GE 12EQ7 tube tested to spec on our Paul Hart-calibrated TV7/U
Tube One measured 55 while Tube Two measured 60
Matched Pair RCA-Victor 6K6 6K6GT Vacuum Tubes August 22 2024 new in box Zenith 2BU2This matched pair of RCA Victor dark gray glass 6K6GT tubes was tested on our Maxi Matcher tube tester with 325 volts on the plates and a bias of 36 volts. Tube One drew 16. 6 milliamps' plate current while Tube Two drew 18. 6. Transconductance was 1240 for Tube One and 1380 for Tube Two where new nominal is within one standard deviation of 1900. These tubes have tall bases; matching 9 39 date codes; dark gray bottles and bottom, D getters. As I
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