Matched Pair Sylvania Uncle Doug 6L6 6L6GC Vacuum Tubes Valves NOS-Testing October 10 2022 There were no shorts or

There were no shorts or gas and they measured as follows:

These Six RCA small logo 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

where minimum (65%) is 40/40

charcoal plates and excellent flashing

Matched Pair Sylvania Uncle Doug 6L6 6L6GC Vacuum Tubes Valves NOS-Testing October 10 2022 There were no shorts orThis 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, gas and transconductance. There were no shorts or gas and they tested as follows: Tube One: Tube Two: Transconductance: 2490 micromhos Transconductance: 2670 micromhos Plate Current Draw: 31 Plate Current Draw: 34. 5 (New US made 6L6GCs typically test with plate current from