Sonotone 6N8 EBF80 Vacuum Tube Mesh Plate NOS NIB Geprueft Vinyl new in box Zenith 17CK3

new in box Zenith 17CK3 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 60/56 while Tube Two measured 61/58 where minimum (65%) is 50/50 and 100% is 77/77

I have played it in my Schiit Vali 2 headphone amplifier and it sounded great

Two end links are available

Sonotone 6N8 EBF80 Vacuum Tube Mesh Plate NOS NIB Geprueft Vinyl new in box Zenith 17CK3This West German made Sonotone 6N8 EBF80 mesh plate tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It has beautiful silkscreening and flashing; a mesh plate; and a top, O getter. 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