RCA 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier NOS-Testing Fall From Grace new in box GE 6U8A

new in box GE 6U8A (ECF82 / 6AX8 / 5KD8 / 6KD8) pentode/triode was tested on our Paul Hart-calibrated TV7/U for shorts

They have Y5E and 9-22 codes

Probably Mullard

The number will change as time goes by and Etsy will indicate how many are still available

5 inches and the shaft is approximately one inch high with a diameter at its widest of 1/4 inch

RCA 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier NOS-Testing Fall From Grace new in box GE 6U8AThis new old stock testing RCA 5V4G rectifier tube was tested on our Paul Hart calibrated TV7 U. It measured 61 63 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