General Electric GE 6GM6 Vacuum Tube Valve NOS NIB February 06 2025 They're a bit microphonic

They're a bit microphonic

50 and 55 where minimum (65%) is 30

Tube One measured 73 while Tube Two measured 74 where minimum (65%) is 50

If you want them both

General Electric GE 6GM6 Vacuum Tube Valve NOS NIB February 06 2025 They're a bit microphonicThis new old stock, new in box GE 6GM6 tube 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 NOT LISTED, WE PROBABLY HAVE IT.