Matched Pair Raytheon 6AK5 6J1 6J2 Black Plate Vacuum October 31 2024 45 and 48 where minimum

45 and 48 where minimum is (65%) is 36 and 100% is 55

This softcover book is in excellent condition

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

On the TV7/U

This nearly-perfectly-matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Raytheon 6AK5 6J1 6J2 Black Plate Vacuum October 31 2024 45 and 48 where minimumThis matched pair of Raytheon 6AK5 black plate tubes was tested on our Paul Hart calibrated TV7 U. They measured 29 and 31 where minimum (65%) is 22 and 100% is 40. I am playing them in my Mini Mite 2013 as I write and they sound excellent. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY