National Union NU 14J7 Vacuum Tube Valve NOS NIB JANCKR6AG7 This LP is in nice

This LP is in nice shape with the occasional pop and tick

but most should work in most circuits

I am playing them in my Bottlehead Crack headphone amplifier as I write

Test results to follow

Transconductance measured 72 for Tube One and 74 for Tube Two where minimum (65%) is 58

National Union NU 14J7 Vacuum Tube Valve NOS NIB JANCKR6AG7 This LP is in niceThis new old stock, new in box National Union 14J7 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