4 Sylvania 6N7 Vacuum Tubes Shoulder ST Style Lot Of Four 6K5GT Grid Cap There is also a shield

There is also a shield between the triodes for reduced cross talk

Transconductance measured 41

top mica spacer

Tubes Two through Seven tested 40/38

This tube looks great

4 Sylvania 6N7 Vacuum Tubes Shoulder ST Style Lot Of Four 6K5GT Grid Cap There is also a shieldThis lot of four Sylvania MANUFACTURED 6N7 6N7G tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measure as follows: 40 42, 51 52, 55 57 and 57 62 respectively. They have old fashioned "Coke" bottle; black plates; beautiful, copious flashing and wire snubbers for increased rigidity for lowered microphonics. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE