RCA 6AG7 Vacuum Tube NOS NIB Andre Kostelanetz new in box black plate

new in box black plate DuMont 18FY6 tube tested to spec on our Paul Hart-calibrated TV7/U

This lot of five GE 12CR6 tube tested to spec on our Jackson 648 Mutual Conductance tester and come in a sleeve

51/51 and 52/52 respectively

5 record cleaner and then played it on my Rega Planar 1 and played it on my Rega Planar 1

This LP sounds great

RCA 6AG7 Vacuum Tube NOS NIB Andre Kostelanetz new in box black plateThis RCA 6AG7 tube and five others just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many tubes 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