Marshall 12AX7 ECC83 Triple Mica Vacuum Tube

Marshall 12AX7 ECC83 Triple Mica Vacuum TubeThis Marshall 12AX7 ECC83) dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and it measured as follows: 40 39 where minimum (65%) is 32 32 and 100% is 49 49. This tube has excellent flashing; steel plates; a square, top, dimpled sheet getter and an additional mica spacer for lowered microphonics.. I am playing it in one of my ArtSound single ended 805 monoblocks with Steely Dans

new in box US-made industrial / milspec 6J6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube Two measured 2930/21

Fortunately the wire is still there and replacing the pin should not be too difficult

Two are 1X2C and the other three are 1X2B

This new old stock-testing matched pair of Ken-Rad-MANUFACTURED

new in box Raytheon JAN-CRP-5829WA tubes for sale in this lot

Tube One measured 36 while Tube Two measured 37 where minimum (65%) is 32 and 100% is 49

new in box RCA 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM-- WE NO LONGER SHIP TO GERMAN ADDRESSES FROM JUNE 1

This lot of six US-made 6W6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 68/64 where minimum (65%) is 36/36

All five were tested -- four in their boxes and the fifth in the normal manner