Matched Pair RCA 6AG7 Vacuum Tubes NOS-Testing Philips Miniwatt 9U8 It measured 58/56 where minimum

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

new in box GE 10JA5 tubes tested to spec on our Paul Hart-calibrated TV7/U

gas and transconductance

These nine National Union number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

5 standard deviation of 4000 micromhos

Matched Pair RCA 6AG7 Vacuum Tubes NOS-Testing Philips Miniwatt 9U8 It measured 58/56 where minimumThis new old stock testing, almost perfectly matched pair of RCA (Hewlett Packard By RCA) 6AG7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 48 and 49 where minimum (65%) is 30 and 100% is 46. 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