Matched Pair General Electric GE 5654 6AK5 6AK5W 6J1 6J2 Milspec Industrial Vacuum Tubes Valves RCA Septal These mesh plate National Union

These mesh plate National Union number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

phi-shaped mica spacers

42 and 44 where minimum (65%) is 25 and 100% is 38

they can put out as much as 2A3s and fell into disfavor because of socket supply issues

Matched Pair General Electric GE 5654 6AK5 6AK5W 6J1 6J2 Milspec Industrial Vacuum Tubes Valves RCA Septal These mesh plate National UnionThis matched pair of GE industrial milspec 5654 6AK5W tubes was tested on our Paul Hart calibrated TV7 U. Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 34. I am playing them in my Mini 2013 as I write and they sound excellent. 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