RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A Gebraucht These four metal base National

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

Minimum (65%) is 47 and 100% is within a half standard deviation of 72 or so

perhaps an 8

They measured 85/82

new in box RCA 5750 / 6BE6 tested to spec on our Paul Hart-calibrated TV7/U

RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A Gebraucht These four metal base NationalThis new old stock, new in box RCA 0C3 regulator 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