Matched Pair RCA 6AG7 Vacuum Tubes NOS-Testing Philips Miniwatt 9U8

Matched Pair RCA 6AG7 Vacuum Tubes NOS-Testing Philips Miniwatt 9U8This 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

gas and transconductance

new in box RCA 6HS5 tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 2000/1900 micromhos for Tube One and 2000/2000 micromhos for Tube Two

" but was made by Sylvania

5 standard deviation of 4000 micromhos

new in box matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7 for shorts

an O-getter

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

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

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

These links appear to be made of stainless steel and rose gold

I would rate it a 6