Matched Pair General Electric GE 12AV7 Vacuum Tubes NOS NIB Saint-Saens Opus 78 There was no gas and

There was no gas and it tested 2170 micromhos with a plate current draw of 25

Both measured 54 were minimum (65%) is 36 and 100% is 55

This Sylvania 6BS8 tube tested to spec on our Paul Hart-calibrated TV7/U

Support Rods: copper

This mesh plate RCA Cunningham Radiotron number 78 tube tested 54 on our Paul Hart-calibrated TV7/U where minimum (65%) is 36 and 100% is 56

Matched Pair General Electric GE 12AV7 Vacuum Tubes NOS NIB Saint-Saens Opus 78 There was no gas andThis matched pair of new old stock, new in box GE dual triodes was tested on Transconductance measured 70 70 for Tube One and 72 72 for Tube Two. (Minimum (65%) is 33. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY