RCA 6HB6 Vacuum Tube Valve NOS NIB 7172 IN WELL OVER 8000 SALES

IN WELL OVER 8000 SALES

They are dead quiet when the preamp is muted and have excellent frequency response

new in box Magnavox 6EM6 tube tested to spec on our Paul Hart-calibrated TV7/U

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

top filaments for a nice light show (please see Picture Four)

RCA 6HB6 Vacuum Tube Valve NOS NIB 7172 IN WELL OVER 8000 SALESThis new old stock, new in box RCA 6HB6 tube tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE 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 60 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS OR