EL34 6CA7 BROWN BASE MULLARD-LABELM.B.L.E., Bruxelles PAIR TUBES DOUBLE D GETTER HALO 1950
..."ETHEREAL CONDUIT TO A HIGHER REALM" ..On the other sonic-side lies the realms of musical-ideals, dream worlds, and the sonic-heavens and havens of different tube-religions. Telefunken ECC801S can be the conduit to outer sonic planes or sonic-astral realm".... Tube Museum.