4 Sylvania 12Q7 12Q7GT Vacuum Tubes NOS NIB Lot Of Four US-Made NOS 6AS8 (New US-made 6V6s typically test

(New US-made 6V6s typically test with plate current from the mid-teens to mid 30s with transconductance from 2300 micromhos or so

This matched pair of new old stock-testing General Electric / GE 12SN7 12SN7GTA dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts

5 milliamps Plate current draw: 21 milliamps

(New 6CG7s typically test from within a half standard deviation of 2600)

I WOULD USE IT

4 Sylvania 12Q7 12Q7GT Vacuum Tubes NOS NIB Lot Of Four US-Made NOS 6AS8 (New US-made 6V6s typically testThis lot of four Sylvania 12Q7GT tubes tested to spec on our Paul Hart calibrated TV7 U. They are the new, straight bottle bottle variety. 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 QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY