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 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

IF AN ITEM IS MARKED "DELIVERED

dimpled sheet getter and a nostalgic Coke-bottle style glass envelope

The remaining two are labeled "1X2B

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