Matched Pair General Electric GE 6V6 6V6GT Vacuum Tubes Valves Copper Support Rods Black Plates Silver Tops Clear Bottles NOS NIB Mullard NOS NIB I have played them (with

I have played them (with adapters

nonetheless

It measured 38/39 on our TV7/U where minimum (65%) is 32/32 and 100% is 49/49

new in box GE 10DE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 41/42 where minimum (65%) is 21

Matched Pair General Electric GE 6V6 6V6GT Vacuum Tubes Valves Copper Support Rods Black Plates Silver Tops Clear Bottles NOS NIB Mullard NOS NIB I have played them (withThis new old stock, new in box matched pair of black plate GE MANUFACTURED, Sperry BRANDED (SPL) 6V6GT output tubes was tested on our Maxi Matcher 2 in Real World conditions with 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 3100 micromhos for Tube One with a current draw of 27. 1 milliamps. Tube Two measured 3120 27. 2. (New US made 6V6s typically test with