Matched Pair General Electric GE 12AV7 Vacuum Tubes NOS NIB Saint-Saens Opus 78

Matched Pair General Electric GE 12AV7 Vacuum Tubes NOS NIB Saint-Saens Opus 78This 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

new in box RCA 7B6 tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured 54 for minimum (65%) is 38 and 100% is 58

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

8 where new / nominal is within one standard deviation of 1900

gold pins and outstanding flashing

Meine Seele Hort Im Sehen

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

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

They are not suitable for guitar amp application as they are somewhat microphonic

Support Rods: copper

Transconductance: 1852/1854

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