Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Valves Milspec Black Plate NOS NIB May 15 2025 280 739 and F1 date

280 739 and F1 date codes

They tested 8

5-8 out of ten

This matched pair of Sylvania black plate 6CL6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Sold as-is

Matched Pair Ken-Rad 2C22 JANCKR2C22 7193 Vacuum Tubes Valves Milspec Black Plate NOS NIB May 15 2025 280 739 and F1 dateThis 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