RCA 6HB6 Vacuum Tube Valve NOS NIB 7172 top filaments for a nice

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

new in box GE 6JF6 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

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IN WELL OVER 8000 SALES

RCA 6HB6 Vacuum Tube Valve NOS NIB 7172 top filaments for a niceThis 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