Sylvania 6KZ8 Vacuum Tube Valve NOS NIB 8 Number Type 40 46 and 52 where minimum

46 and 52 where minimum is (65%) is 36 and 100% is 55 and 100% is 55

excellent flashing and smooth

new in box Triangle-A 1L4 tube tested to spec on our Paul Hart-calibrated TV7/U

great flashing

Sylvania 6KZ8 Vacuum Tube Valve NOS NIB 8 Number Type 40 46 and 52 where minimumThis Sylvania 6KZ8 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE 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 PROBABLY HAVE IT. PLEASE