Triangle-A 1L4 Vacuum Tube Valve NOS NIB January 25 2023 US-made number / type 89

US-made number / type 89 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box US-made 12A6 tubes tested to spec on our Paul Hart-calibrated TV7/U

straight-bottle bottle variety

29 and 30 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

This is a Dutch auction for new old stock

Triangle-A 1L4 Vacuum Tube Valve NOS NIB January 25 2023 US-made number / type 89This new old stock, new in box Triangle A 1L4 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONONIAN 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