3 Toshiba 6V6 6V6GT Vacuum Tubes Lot Of Three 1st Quarter BW08 new in box Zenith 17AY3

new in box Zenith 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

There are two GEs

These eleven US-made number / type 27 tubes tested below the cusp -- some far below

new in box US-made 6W6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured a nearly-perfectly-balanced 84/82 where minimum (65%) is 50/50 and 100% is 77/77

3 Toshiba 6V6 6V6GT Vacuum Tubes Lot Of Three 1st Quarter BW08 new in box Zenith 17AY3This trio of Toshiba output tubes was tested on our Maxi Matcher 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. Tube One drew 14. 1 milliamps with a transconductance of 2260 micromhos while Tube Two measured 23. 7 2640. Tube Three measured 27. 9 2900. (New US made 7408s typically test with plate current from the mid teens to mid 30s with transconductance