Made in England by Brimar (1960s).
Same as GEC B65. This version which was outstandingly special made for British's Military. Brown base, Round gray plate, Triple mica and Double O-Getter. Super rare version. Hard to find today. Best of 6SN7s ever made by Brimar. One of the best 6SN7 ever made in England. Nos in ARC box. Never been used. Matched pair are available.
Made in G.Britain (1950). Rare 6SN7s.
Another version of B65 from Osram.
Muddy black plate, clear glass. metal base with Bottom Cup Getter.
Detail and balance sounding. In the top-five list of most wanted 6SN7 tubes.
Nos in original box.