3 Sylvania 10GK6 Vacuum Tubes NOS NIB Lot Of Three May 25 2020 gas and transconductance on our

gas and transconductance on our Paul Hart-calibrated TV7/U as well as a Hickok and a Superior

Transconductance measured 3100 micromhos with a plate current draw of 37

They tested as follows: 60

Rectifier 35W4

3 Sylvania 10GK6 Vacuum Tubes NOS NIB Lot Of Three May 25 2020 gas and transconductance on ourThese three new old stock, new in box Sylvania 10GK6 tubes tested to spec on our Paul Hart calibrated TV7 U. 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 PURCHASE PROTECTION COVERS ITEMS