4 Westinghouse 6S4 6S4A Vacuum Tubes Valves NOS NIB Lot Of Four T19 milspec GE JG-6X4WA tested to

milspec GE JG-6X4WA tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 74 for Tube One and 76 for Tube Two where minimum (65%) is 58

new in box

They measured 40

4 Westinghouse 6S4 6S4A Vacuum Tubes Valves NOS NIB Lot Of Four T19 milspec GE JG-6X4WA tested toThis lot of four new old stock, new in box Westinghouse 6S4A tubes 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