Matched Pair Tung-Sol 6SD7 6SD7GT Vacuum Tubes NOS-Testing 6H6 Milspec J-slot Cinch TS102U03 / SOS-6

J-slot Cinch TS102U03 / SOS-6 tube shields fit 12AX7-size tubes nicely

This matched pair of GE black plate 6005 / 6AQ5 output tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box 6JB5 / 6HE5 tubes tested to spec on our Paul Hart-calibrated TV7/U

It is globe / Balloon-shaped

YCLE IS OVER

Matched Pair Tung-Sol 6SD7 6SD7GT Vacuum Tubes NOS-Testing 6H6 Milspec J-slot Cinch TS102U03 / SOS-6This new old stock testing matched pair of Tung Sol MANUFACTURED 6SD7GT pentodes was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 21 for Tube One (Emerson BRANDED) and 24 for Tube Two where minimum (65%) is 15 and 100% is 23. I am playing them in my Musical Paradise MC 3 single ended integrated amplifier as I write with Aimee Mann's seminal "Magnolia" album and it