Amperex World 6AQ8 ECC85 Vacuum Tube Valve 2 II LP Philips perfectly-matched pair of Ken-Rad 6SJ7s

perfectly-matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 58 for Tube One and 59 for Tube Two where minimum (65%) is 40

This Sylvania 5V4GA rectifier tube tested 55/55 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40

IN WELL OVER 8000 SALES

I would rate it a 6

Amperex World 6AQ8 ECC85 Vacuum Tube Valve 2 II LP Philips perfectly-matched pair of Ken-Rad 6SJ7sThis Amperex World 6AQ8 ECC85 tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 54 66 where minimum (65%) is 50 50. I have played it in my Schiit Vali 2 headphone amp and it sounds great despite the fact one section tests just above the cusp and the other tests nearly x% stronger than the first. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE