5 General Electric GE 21LU8 Vacuum Tubes NOS NIB Lot Of Five 0A2WA Milspec Bottom: smooth

Bottom: smooth

47 and 48 where minimum (65%) is 30 and 100% is 72

new in box Raytheon 6DS4 nuvistor tube tested to spec on our Paul Hart-calibrated TV7/U

There is also a shield between the triodes for reduced cross talk

5 General Electric GE 21LU8 Vacuum Tubes NOS NIB Lot Of Five 0A2WA Milspec Bottom: smoothThis lot of five new old stock, new in box GE 21LU8 tubes 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