6 Sylvania 6S4 6S4A Vacuum Tubes NOS NIB Lot Of Six Ken-Rad NOS NIB Tube One measured 95%/93% and

Tube One measured 95%/93% and 95%/94% for Tube Two

5 record cleaner and am playing it as I write on my Rega Planar 1

This Amperex 8020 half-wave rectifier tube was tested on our Paul Hart-calibrated TV7/U

new in box and tested to spec on our Paul Hart-calibrated TV7/U

6 Sylvania 6S4 6S4A Vacuum Tubes NOS NIB Lot Of Six Ken-Rad NOS NIB Tube One measured 95%/93% andThis lot of six new old stock, new in box Sylvania 6S4A tubes tested to spec on our Paul Hart calibrated TV7 U. Five are 6S4As and one is a 6S4. 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.