5 RCA 6AF4 6AF4A Vacuum Tubes Valves NOS NIB Lot Of Five 12AU7A Milspec This is a testament to

This is a testament to their high emissions

I am playing them (with adapters

This paperback book is in excellent condition

I have played it (with an adapter) in one of my AC-heated Sound Craftsman RC2 amplifiers and it sounds great

5 RCA 6AF4 6AF4A Vacuum Tubes Valves NOS NIB Lot Of Five 12AU7A Milspec This is a testament toThese five new old stock, new in box RCA 6AF4A tubes tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 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 OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO