Amperite 26N0180 Time Delay Relay Tube NOS NIB 12SL7GT Black Plate new in box RCA Radiotron

new in box RCA Radiotron 12SH7 tubes tested to spec on our Paul Hart-calibrated TV7/U

please select “2” from the quantity box

Tube One measured 42 while Tube Two measured 45 where minimum (65%) is 46 and 100% is 71

I have played it in one of my Radio Craftsmen RC-2 monoblocks (with an adapter

Cantata La Rosa and Lo

Amperite 26N0180 Time Delay Relay Tube NOS NIB 12SL7GT Black Plate new in box RCA RadiotronThis new old stock, new in box Amperite 26N0180 time delay relay tube tested to spec on our Paul Hart calibrated TV7 U. tube and another just like it tested to spec on Paul Hart calibrated TV7 U. Etsy will indicate how many are available as the listing progresses. . 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