Rubycon Black Gate F Type Audio Capacitor, x2, 10uF 20% 50VDC, MP, -USED-
2 x Rubycon Black Gate F Series Audio Capacitor, 10uF 20% 50VDC, --USED--. Rubycon mysteriously phased out Black Gates many years ago circ. mid 2000’s. Famous for it’s Electron Transfer theory of operation within the dielectric layer.