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Matched Pair Ken-Rad 6K6 6K6GT Vacuum Tubes Black Glass January 30 2026 new in box milspec RCA

$13.32

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Description

new in box milspec RCA 6CL6 tubes tested to spec on our Paul Hart-calibrated TV7/U

It has copper support rods

new in box RCA 6DW4B tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 53HK7 tubes

mesh plate tubes tested 20

Matched Pair Ken-Rad 6K6 6K6GT Vacuum Tubes Black Glass January 30 2026 new in box milspec RCAThis matched pair of Ken Rad 6K6 6K6GT tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 36 volts for shorts, gas, plate current and transconductance. There were no shorts or gas. Tube One measured 1770 micromhos, 23. 8 milliamps' plate current. Tube Two measured 1750 23. 9. New nominal is within one standard deviation of 1900. These tubes have copper support rods; rectangular mica spacers; black and silver bottles and

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