Matched Pair Hytron 6V6 6V6GT Vacuum Tubes Black Glass NOS-Testing 6GT5 Compactron This nearly-perfectly-matched pair of Sylvania

This nearly-perfectly-matched pair of Sylvania 7B7 tubes was tested on our Paul Hart-calibrated TV7 for shorts

They measured 52/52

Transconductance measured 46 where minimum (65%) is 36 and 100% is 55

There were no shorts or gas and it measured 2110 micromhos and drew 27

They sound terrific and have great bass with sparkling highs and Donald Fagan’s voice is warm and clear as a bell

Matched Pair Hytron 6V6 6V6GT Vacuum Tubes Black Glass NOS-Testing 6GT5 Compactron This nearly-perfectly-matched pair of SylvaniaThis new old stock testing matched pair of Hytron black glass 6V6GT 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 and they tested as follows: Tube One: Tube Two: Plate current draw: 26. 3 milliamps Plate current draw: 28. 4 milliamps Transconductance: 2540 micromhos Transconductance: 2390 micromhos (New US made 6V6s typically test with