3 Toshiba 6V6 6V6GT Vacuum Tubes Lot Of Three 1st Quarter BW08 Top: smooth

Top: smooth

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These tubes have gray plates

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

3 Toshiba 6V6 6V6GT Vacuum Tubes Lot Of Three 1st Quarter BW08 Top: smoothThis 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