RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A Gebraucht perhaps an 8

perhaps an 8

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

Transconductance measured 82 for Tube One and 84 for Tube Two where minimum (65%) is 58

new in box RCA 12HL7 tubes tested to spec on our Paul Hart-calibrated TV7/U

72/76 and 92/90 where minimum (65%) is 50/50 and 100% is 77/77

RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A Gebraucht perhaps an 8This 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