3 General Electric GE 12BK5 Vacuum Tubes NOS NIB Lot Of Three Hytron Black Plate PLEASE CALL OR TEXT US

PLEASE CALL OR TEXT US AT 202-372-6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS

Tube One measured 54 while Tube Two also measured 54

This matched pair of RCA black plate 5963 dual triodes was tested on our Paul Hart-calibrated TV7/U and our Maxi Preamp II for shorts

WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES

48 and 48 where minimum (65%) is 30 and 100% is 47

3 General Electric GE 12BK5 Vacuum Tubes NOS NIB Lot Of Three Hytron Black Plate PLEASE CALL OR TEXT USThis new old stock, new in box GE 12BK5 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 FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN