Matched Pair National Union JAN-CNU-6V6-GT VT107A 6V6 6V6GT Vacuum Tubes Milspec Gray Glass B13 This matched pair of Japanese

This matched pair of Japanese mesh plate EF86 / 6267 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

They measured 59

48 and 48 where minimum (65%) is 30 and 100% is 47

nostalgic-looking Super Silvertone 6P5G triode was tested on our Paul Hart-calibrated TV7/U for shorts

58 and 67 where minimum (65%) is 48

Matched Pair National Union JAN-CNU-6V6-GT VT107A 6V6 6V6GT Vacuum Tubes Milspec Gray Glass B13 This matched pair of JapaneseThis matched pair of milspec National Union VT 107 A JAN CNU 6V6 GT gray glass 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. Transconductance measured 2230 micromhos for Tube One (Missing centering pin, marked for safe and easy insertion; see close up, Picture Three) and 2500 for Tube Two (Cracked base, tube itself nevertheless