Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape Rectifier

Ken-Rad 5V4 5V4G Vacuum Tube Black Plate Shoulder ST-Shape RectifierThis 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.

Transconductance measured 4100/3400 micromhos

This Motorola 107

Transconductance measured 1975/2150 micromhos for Tube One and 2000/2200 micromhos for Tube Two

Both tubes measured 72 where minimum (65%) is 55 and 100% 85

not included) in my AC-heated Alan Eaton single-ended 45 amplifier and they sound OK

It measured 49/47 where minimum (65%) is 40/40 and 100% is 62/62

Plate current draw was 33

CUSTOMS DELAYS CAN ADD WEEKS TO DELIVERIES

The tubes have black plates

perforated plates

new in box matched pair of Sylvania gray glass 7C5 tubse was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts

There were no shorts or gas