Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Cunningham 3834 great flashing and side

great flashing and side

This Sylvania-MANUFACTURED- Coronado-LABELED 71A tested 46 on our Paul Hart-calibrated TV7/U where new/nominal is 42

This matched pair of new old stock-TESTING Sylvania 6L6GC "Uncle Doug" output tubes was tested on our Maxi-Matcher with 400 volts on the plates and a bias of -48 volts for shorts

8 milliamps' plate current with a transconductance reading of 2240 micromhos

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Matched Pair Sylvania 6V6 6V6GT Gray And Silver Bottle Silver Top Vacuum Tubes NOS-Testing Cunningham 3834 great flashing and sideThis new old stock testing matched pair of silver top Sylvania 6V6GT output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 31. 8 milliamps and transconductance was 2710 micromhos for Tube One. Tube Two measured 32. 3 2680. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) They have tall