RCA 1AC5 Vacuum Tube NOS NIB 12Q7 Octal It measured 80 where minimum

It measured 80 where minimum (65%) is 50 and 100% is 77

As I write

This new old stock-testing matched pair of RCA 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

and dynamics

It is dead quiet when the preamp is muted and has excellent frequency response and sound-staging

RCA 1AC5 Vacuum Tube NOS NIB 12Q7 Octal It measured 80 where minimumThis new old stock, new in box RCA 1AC5 tube and another just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many are available in this Dutch Auction. 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