RCA 604 7014 Vacuum Tube Rectifier

RCA 604 7014 Vacuum Tube RectifierThis RCA 604 7014 rectifier tube looks only slightly used. Sold as is. It 66 26 date codes and steel or tantalum plates. 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. ETSY PURCHASE PROTECTION

Both tubes have 2-48 SC 471 date/contract codes and are World War Two vintage

flashing is excellent and the bases appear to be made of micanol

5 record cleaner and then played it on my Rega Planar Three

hydrofluoric acid-etched GE provenance dots and excellent flashing

Transconductance measured 62 for Tube One and 64 for Tube Two where minimum (65%) is 40

It measured 38 where minimum (65%) is 36 and 100% is 55

Tube One: 7

new in box GE 6AG5 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 6DE4 6CQ4T tubes in this lot

I am listening as I write and this album sounds good with some clicks and pops

This nearly-perfectly-matched pair of black plate CBS / CBS-Hytron 6V6GT output tubes was tested on our Maxi-Matcher 2 for shorts

likely by GE