Delco 6Z7 6Z7G Vacuum Tube Valve NOS NIB Tall Base new in box RCA 12AV7

new in box RCA 12AV7 tubes tested to spec on our Paul Hart-calibrated TV7/U

These three Arcturus 485 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 6AC7 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

They tested (from left to right

Delco 6Z7 6Z7G Vacuum Tube Valve NOS NIB Tall Base new in box RCA 12AV7This new old stock, new in box Sylvania 6Z7G tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE WILL NO LONGER SHIP TO GERMAN ADDRESSES FROM JUNE 1, 2022. 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