RCA 604 7014 Vacuum Tube Valve Rectifier 12B4A Nonal I just cleaned this two

I just cleaned this two (of three) record LP set on my VPI 16

These tubes test poorly but should work in many applications

It measured 78/80 where minimum (65%) is 50/50 and 100% is 77/77

these are the only Coke bottle-shape 6H6s I have seen in 25 years in the tube business

and 34 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25

RCA 604 7014 Vacuum Tube Valve Rectifier 12B4A Nonal I just cleaned this twoThis 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