Cunningham 12K7 12K7GT Vacuum Tube Valve NOS NIB

Cunningham 12K7 12K7GT Vacuum Tube Valve NOS NIBThis new old stock, new in box Cunningham 12K7GT tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE 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 NOT LISTED, WE PROBABLY HAVE

Not sure how the album did

50/50 and 51/51

This is a Dutch auction for Sylvania 35W4s

Side Four is more like a 6

66/29 and 66/26 where minimum (65%) is 58/23

These tubes are the equivalent of the Chinese / Russian 6J1 and 6J2

top to bottom) 39

excised chevrons in their top mica spacers as well as 210 5439 and 5413 provenance/date codes

These three Tung-Sol-MANUFACTURED 12V66GT power tubes were tested on our Paul Hart-calibrated TV7 for shorts

new in box Trigon UCH81 tube tested to spec on our Paul Hart-calibrated TV7/U

INTRUSIVE AND DRACONONIAN PACKAGING REGULATIONS IN GERMANY -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM -- WE WILL NO LONGER SHIP TO GERMAN ADDRESSES

There are six new old stock