Sylvania 15KY8 Vacuum Tube Valve NOS NIB ROC Biography This lot of five Sylvania

This lot of five Sylvania 25AV5GA tubes tested to spec on our Paul Hart-calibrated TV7/U

gas and transconductance on our Paul Hart-calibrated TV7/U and measured as follows:

new in box US-made 17CT3 tubes tested to spec on our Paul Hart-calibrated TV7/U

but I would step it up to an 8 or so as this sound striping recording is truly cutting edge

new in box Westinghouse 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Sylvania 15KY8 Vacuum Tube Valve NOS NIB ROC Biography This lot of five SylvaniaThis new old stock, new in box Sylvania 15KY8 tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT.