Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Valves Milspec Black Plate NOS NIB Offenbach Suppe These three GE GE 5-Star

These three GE GE 5-Star industrial 6265 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 47/44 while Tube Two measured 48/43 where minimum (65%) is 25/25 and 100% is 38

Here's a new old stock

It sounded great in my Bottlehead

This perfectly-matched septet of new old stock-testing Sylvania 7A7 tubes was tested on our Hickok 800 for shorts

Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Valves Milspec Black Plate NOS NIB Offenbach Suppe These three GE GE 5-StarThis new old stock, new in box matched pair of Ken Rad JAN CKR 2C22 7193 milspec triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 56 while Tube Two measured 57 where minimum (65%) is 38 and 100% is 58. I have played them in my Radio Craftsmen RC 2 monoblocks (with adapters not included) and they sound outstanding. They are dead quiet when the CD player is muted