4 Tung-Sol 6AC7 Vacuum Tubes Lot Of Four March 4 2021 new in box black plate

new in box black plate CBS-Hytron 6W4GT tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of Hytron gray glass 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

Transconductance measured 40/50 for Tube One and 45/45 for Tube Two where minimum (65%) is 32/32

new in box matched pair of GE-MANUFACTURED 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box milspec Tung-Sol JTL-5702WB tubes tested to spec on our Paul Hart-calibrated TV7/U

4 Tung-Sol 6AC7 Vacuum Tubes Lot Of Four March 4 2021 new in box black plateThis lot of four Tung Sol 6AC7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 32, 40, 44 and 50 where minimum (65%) is 30 and 100% is 47. 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