Matched Pair RCA 1626 USA VT-137 Vacuum Tubes Milspec Micanol Bases Felicja Blumental 54 and 64 where minimum

54 and 64 where minimum (65%) is 50

new in box GE 6AS5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tubes Three and Four measured 73/70 and 75/72

These five US-made 1AX2 tube tested to spec on our Paul Hart-calibrated TV7/U

noise or gas and it tested as follows:

Matched Pair RCA 1626 USA VT-137 Vacuum Tubes Milspec Micanol Bases Felicja Blumental 54 and 64 where minimumThis matched pair of milspec RCA VT 137 1626 triodes was tested on our Paul Hart calibrated TV7 U tester tube tester for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 69 while Tube Two measured 70 where minimum (65%) is 53 and 100% is 82. These tubes have micanol bases; large D getters and four steel snubbers for increased stability and lowered microphonics. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT