Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier May 28 2025 Tube One: 31

Tube One: 31

(New 12AU7s typically test within one standard deviation of 2200 micromhos

new in box Philco 35Z3 tubes tested to spec on our Paul Hart-calibrated TV7/U

9 milliamps where new 6L6GCs typically test with plate current from the low 20s to mid 30s and transconductance from 2200 micromhos or so

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

Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier May 28 2025 Tube One: 31This 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.