Cunningham 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape April 25 2022 where minimum (65%) is 48

where minimum (65%) is 48

new in box Philco 25CU6 / 25BQ6 / 25BQ6GTB tube -- and another just like it -- tested to spec on Paul Hart-calibrated TV7/U

crenelated

There were made by Sovtek's predecessor during The Cold War and

It is a wind-up (not automatic) ladies' gold-plated / anodized Timex watch

Cunningham 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape April 25 2022 where minimum (65%) is 48This black plate Cunningham 5Y3G rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 50 53 where minimum (65%) is 40 40 and 100% is 62 62. It has a nifty, old fashioned Coke bottle; a dimple sheet getter, excellent flashing and an X2 date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE