Matched Pair RCA-Victor 6K6 6K6GT Vacuum Tubes September 13 2022 This lot of four new

This lot of four new old stock

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3/2470 for Tube Two

These two National Union clear bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

These four new old stock

Matched Pair RCA-Victor 6K6 6K6GT Vacuum Tubes September 13 2022 This lot of four newThis 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