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

gas and transconductance

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

I would rate it a 6

an O-getter

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

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