General Electric GE 6BK5 Vacuum Tube NOS NIB 6V6Y RC2 though is not recommended for

though is not recommended for this headphone amp which was designed for 12AU7s

(New EL84s typically test from the mid 20s to mid 60s with transconductance from 7420

transconductance and gain

new in box US-made milspec JRC-6AK6 / CV1762 tubes tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 6BK5 Vacuum Tube NOS NIB 6V6Y RC2 though is not recommended forThis new old stock, new in box 6BK5 tube and two 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 ARE