General Electric GE 6GM6 Vacuum Tube Valve NOS NIB February 06 2025

General Electric GE 6GM6 Vacuum Tube Valve NOS NIB February 06 2025This 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.

5-7 out of 10

This Raytheon (JAPAN) 12SN7GTA dual triode was tested on our Paul Hart-calibrated TV7 for shorts

minimum (65%) is 1495

They're a bit microphonic

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

50 and 55 where minimum (65%) is 30

32 and 36 where minimum (65%) is 25

These tubes have excellent flashing

It sounds excellent with light surface noise A seven or 7

(New US-made 6V6s typically test with plate current from the mid- teens to mid 30s with transconductance from 2300 micromhos or so

If you want them both

an additional mica spacer for low microphonics