Mullard 6EC4 6EC4A EY500 Vacuum Tube Valve NOS NIB Yello 1980-1985 LP 80/70 and 82/70

80/70 and 82/70

new in box US-made National 2N688 rectifiers

I am playing them played them in one of my Radio Craftsman RC-2 monoblocks and they sound great

These six US-made 7B8 tubes tested as follows on our Paul Hart-calibrated TV7/U where minimum (65%) is 29 and 100% is 45:

It sounds very good with light surface noise and the occasional click and pop

Mullard 6EC4 6EC4A EY500 Vacuum Tube Valve NOS NIB Yello 1980-1985 LP 80/70 and 82/70This new old stock, new in box Mullard MANUFACTURED, Sylvania BRANDED 6EC4A EY500 tube 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