Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Milspec Black Plate NOS NIB 6FQ7 NOS NIB These tubes have four shiny

These tubes have four shiny copper support rods

had excellent frequency response and was very quiet in my Bottlehead

These tubes have silver and gray bottles

but non-strident highs

These seven Philco number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Milspec Black Plate NOS NIB 6FQ7 NOS NIB These tubes have four shinyThis 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