Matched Pair RCA Clear Top 12HG7 12BY7 Vacuum Tubes NOS-Testing LP SW 3386 I am listening as I

I am listening as I write and this album sounds very good with only an occasional click and pop on Sides One - Three

This lot of five US-made 6AV5GT tubes were tested for shorts

This Western Electric 347A will be tested on our Paul Hart-calibrated TV7/U for shorts

There is a crack in the base

Matched Pair RCA Clear Top 12HG7 12BY7 Vacuum Tubes NOS-Testing LP SW 3386 I am listening as IThis new old stock testing matched pair of RCA clear top 12HG7 tubes was tested on our Paul Hart calibrated TV7 U (on the 12BY7 setting) for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 74 while Tube Two measured 78 where minimum (65%) is 46 and 100% is 71. These tubes have anode radiators for cooler operation and longer tube life; side O getters and excellent flashing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES.