2 Sylvania 1291 Vacuum Tubes Valves Industrial Version NOS NIB Lot Of Two 3A3 T27 64 and 65 where minimum

64 and 65 where minimum (65%) is 40

perfectly-matched pair of Sylvania 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

There is some marking in the first twenty pages or so

This lot of eight US-made mesh plate type 36 tubes tested as follows on our Paul Hart-calibrated TV7/U:

Otherwise it is sold as-is

2 Sylvania 1291 Vacuum Tubes Valves Industrial Version NOS NIB Lot Of Two 3A3 T27 64 and 65 where minimumThese two new old stock, new in box Sylvania 1291 industrial quality tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL 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