Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass Stereo Vinyl H-71142 new in box GE 12L6GT

new in box GE 12L6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of four Tung-Sol 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

Two of these tubes are available initially in this Dutch Auction

new in box GE 38HE7 tube tested to spec on our Paul Hart-calibrated Hickok TV7/U

new in box (for Tube Two) matched pair of Sylvania 6BL7GTA dual triodes was tested on our TV7/U for shorts

Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass Stereo Vinyl H-71142 new in box GE 12L6GTThis matched pair of Ken Rad black glass 6V6GT output tubes was tested on our Maxi Matcher 2 with 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 17. 9 milliamps' plate current, 2590 micromhos and 18 2480 for Tube Two. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) These tubes have