2 RCA 12AF3 Vacuum Tubes Valves NOS NIB Lot Of Two

2 RCA 12AF3 Vacuum Tubes Valves NOS NIB Lot Of TwoThis lot of two RCA 12AF3s tested to spec on our Paul Hart calibrated TV7 U. 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 COVERS ITEMS UP TO $250 IN VALUE. IF AN ITEM

It was made in the US

It was made in Japan

56 and 60 where minimum (65%) is 36 and 100% is 55

likely Tung-Sol-MANUFACTURED) measured 33 where minimum (65%) is 22

I have played them in my Sound Craftsmen RC-2 monoblock amplifiers with adapters (not included) and they sounded outstanding

THERE WILL BE NO REPLACEMENTS FOR LOST PACKAGES OR TUBES THAT FAIL

gray plates and very good flashing

Transconductance measured 33 for Tube One and 33 for Tube Two where minimum (65%) is 26

A nine out of ten

This Wizard type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

I have played them in my Musical Paradise 301 MK 3 with adapters (not included) as 6SJ7 substitutes and they sound excellent -- airy with excellent dynamics and signal bandwidth

it is probably plated