Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier May 28 2025 These three RCA-MANUFACTURED 6U7 tubes

These three RCA-MANUFACTURED 6U7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This matched pair of Sylvania 6AU6A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

I am listening as I write and this album sounds nice with only an occasional click and pop

Tube One: 31

Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier May 28 2025 These three RCA-MANUFACTURED 6U7 tubesThis Ken Rad 5V4G rectifier tube was tested on our Paul Hart calibrated TV7 U. It measured 58 56 where minimum (65%) is 40 40 and 100% is 62 62. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100.