Matched Pair Sylvania 6V6 6V6GT/G Vacuum Tubes Silver And Gray NOS-Testing Watch Bracelet These Six RCA small logo

These Six RCA small logo 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

Some will be GE-branded while others will be OEM-branded

new in box milspec RCA JAN-CRC-12SW7 tubes tested to spec on our Paul Hart-calibrated TV7/U

This trio of Westinghouse black plate 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

(New 807s typically test from the mid teens to mid 30s with transconductance from 2200 micromhos)

Matched Pair Sylvania 6V6 6V6GT/G Vacuum Tubes Silver And Gray NOS-Testing Watch Bracelet These Six RCA small logoThis new old stock testing matched pair of Sylvania silver and gray 6V6GT G output tubes was tested on our Maxi Matcher 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 30. 1 milliamps with a transconductance of 2640 micromhos while Tube Two measured 30. 7 2900. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300