Matched Pair Marshall 12AX7 ECC83 Triple Mica Vacuum Tubes Булата Окуджавы Из new in box GE 26HU5

new in box GE 26HU5 tubes tested to spec on our on our Jackson 648

It portended growth but alas we got suicide and embezzlement instead

It was stored in a cool

3 milliamps and transconductance was 2490 micromhos for Tube One

new in box 6EM5 tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair Marshall 12AX7 ECC83 Triple Mica Vacuum Tubes Булата Окуджавы Из new in box GE 26HU5This matched pair of Marshall 12AX7 ECC83) dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: Tube One: 32 39 Tube Two: 34 42 Minimum (65%) is 32 32 and 100% is 49 49. These tubes have excellent flashing; steel plates; square, top, dimpled O getters and an additional mica spacer for lowered microphonics.. I am playing them in my ArtSound single ended