Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes NOS-Testing DVD NOS NIB 48 and 48 where minimum

48 and 48 where minimum (65%) is 30 and 100% is 47

Paula Robison

42 and 44 where minimum (65%) is 30

I am listening as I write and this album sounds very good with only an occasional click and pop

Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes NOS-Testing DVD NOS NIB 48 and 48 where minimumThis 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 59 for Tube One and 60 for Tube Two where minimum (65%) is 40. Both have 939 date codes. I am playing them as I write in my Musical Paradise MP 301 MK3 and they sound excellent. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT.