Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes Valves NOS-Testing Atmospheric Horel They measured 76/82

They measured 76/82

new in box Philco 6BS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

They measured 85/66 for Tube One and 85/70 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

This album does not appear to be in its original jacket

This lot of RCA 2050 thyratron tubes were tested on our Paul Hart-calibrated TV7/U

Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes Valves NOS-Testing Atmospheric Horel They measured 76/82This new old stock TESTING matched pair of Sylvania 6SJ7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 57 for Tube One and 58 for Tube Two where minimum (65%) is 40. They have HG YCN and EJ date codes, respectively. I am playing them as I write in my Musical Paradise MP 301 MK3 and they sound excellent. Tube Two is a bit microphonic and it is therefore