RCA 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier NOS-Testing

RCA 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier NOS-TestingThis 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

top D getters

Transconductance (TV7/U): 54/51

They tested (from left to right) 36

new in box Tung-Sol 6SD7GT pentode tested to spec on our Paul Hart-calibrated TV7/U

79/77 where minimum (65%) is 50/50

new in box Sylvania 6GX6 / 6GY6 tubes tested to spec on our Paul Hart-calibrated TV7/U

though some are stamped "138" and others are not

new in box Hytron 7G7 tube tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing almost-perfectly-matched pair of Sovtek 6BQ5 / EL84 / 6P14 / 6P14P output tubes was tested on our Maxi-Matcher 2 -- with 325 volts on the plates and a bias of -14 volts -- for shorts

I think it is Badfinger's response to the Beatles' final album -- at least in tonality

respectively where new/nominal is within one standard deviation of 5000

There were no shorts or gas and they measured 52/52