National Union NU 6Y7 6Y7G Vacuum Tube Valve NOS NIB Shoulder Coke Bottle Style 7771 new in box Westinghouse 6X4

new in box Westinghouse 6X4 tested to spec on our Paul Hart-calibrated TV7/U

Bass is excellent and very deep

Raytheon CK1123 Raysistor Control Circuit NOS NIB

I listened to them in one of my Radio Craftsmen RC-2 monoblock amplifiers with U2's "Achtung Baby" and they sounded great

National Union NU 6Y7 6Y7G Vacuum Tube Valve NOS NIB Shoulder Coke Bottle Style 7771 new in box Westinghouse 6X4This new old stock, new in box National Union 6Y7G 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 COVERS ITEMS UP TO