RCA 21LU8 Vacuum Tube Valve NOS NIB 17JM6A Compactron new in box (for Tube

new in box (for Tube Two) aesthetically-matched pair of gray glass RCA 12SL7GT dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

This Valvo 12AT7 dual triode was tested on our Maxi Preamp II for shorts

Three are available initially in this Dutch Auction

This matched pair of milspec National Union VT-107-A / JAN-CNU-6V6-GT gray glass output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

new in box GE 6DG6B tube tested to spec on our Paul Hart-calibrated TV7/U

RCA 21LU8 Vacuum Tube Valve NOS NIB 17JM6A Compactron new in box (for TubeThis new old stock, new in box RCA 21LU8 tube 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 OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE