Matched Pair RCA 6V6 6V6GT Gray Glass Vacuum Tubes NOS-Testing

Matched Pair RCA 6V6 6V6GT Gray Glass Vacuum Tubes NOS-TestingThis new old stock TESTING matched pair of RCA gray glass 6V6GT output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 25. 3 milliamps and transconductance was 2650 micromhos for Tube One. Tube Two measured 26. 4 2590. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) They have tall bases;

excellent flashing and super-shiny pins

new in box Sylvania 6BQ6GTB tubes tested to spec on our Paul Hart-calibrated TV7/U

great flashing and goal post getters

This matched pair of GE nickel plate 6AU6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

It has a smooth top and steel support rods

OUR SHIPPING RESPONSIBILITY ENDS WHEN THE PARCEL IS ACCEPTED AND SCANNED BY THE US POSTAL SERVICE

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

5 out of ten for sonic quality

This perfectly-matched septet of new old stock-testing Sylvania 7A7 tubes was tested on our Hickok 800 for shorts

It measured 52/50 where minimum (65%) is 40/40 and 100% is 62/62

excellent flashing and gray plates

This perfectly-matched pair of RCA Radiotron type 76 triodes was tested on our Paul Hart-calibrated TV7/U for shorts