Matched Pair Tung-Sol 6SD7 6SD7GT Vacuum Tubes NOS-Testing 6H6 Milspec I listened to them in

I listened to them in one of my Radio Craftsmen RC-2 monoblock amplifiers with U2's "Achtung Baby" and they sounded great

It is globe / Balloon-shaped

new in box perfectly-matched pair of milspec Tung-Sol JAN-CTL-6098 / 6AR6WA output tubes was tested on Paul Hart-calibrated TV7/U for shorts

These three US-made 6BY5G tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Tung-Sol 6SD7 6SD7GT Vacuum Tubes NOS-Testing 6H6 Milspec I listened to them inThis 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