Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Milspec Black Plate NOS NIB Lidia Ruslanova Transconductance measured 75/70 for Tube

Transconductance measured 75/70 for Tube One and 77/72 for Tube Two where minimum (65%) is 50/50 and 100% is 77/77

new in box RCA 17CU5 / 17C5 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am listening as I write and this album sounds pretty good

I cannot guarantee that the copper-colored finish is rose gold

Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Milspec Black Plate NOS NIB Lidia Ruslanova Transconductance measured 75/70 for TubeThis 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 60 while Tube Two measured 64 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