RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A Gebraucht

RCA 0C3 0C3 Vacuum Tube NOS NIB 1S2A GebrauchtThis 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

This matched pair of milspec Hytron 5654 / 6AK5 / JHY-6AK5 tubes was tested on our Paul Hart-calibrated TV7/U

They measured 85/82

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

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

These are beautiful tubes

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

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

perhaps an 8

crenelated

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

Both have bj date codes

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