Sylvania 12SK7 12SK7GT Vacuum Tube Valve NOS-Testing Mitch Miller 6 milliamps with a transconductance

6 milliamps with a transconductance of 3060 micromhos while Tube Two measured 24

This lot of two National Union type 85 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

ironically reflect the communist dictum of "The capitalists will sell us the rope with which we hang them

It is for the antenna alone

This lot of four US-made black plate 12X4 rectifier tubes measured 43/46

Sylvania 12SK7 12SK7GT Vacuum Tube Valve NOS-Testing Mitch Miller 6 milliamps with a transconductanceThis new old stock testing Sylvania 12SK7GT tube tested 64 on our Paul Hart calibrated TV7 where minimum (65%) is 48. 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