Audion Audion specializes in manufacturing high end, handmade and in most cases hard wired “Class A” valve amplifiers, pre-amplifiers and electronics for use in the home or office. They research, design develop and produce over 30 different pure “Class A” analogue audio amplifiers from their custom manufacturing facility in the wine growing artisanal region of Bordeaux in south west France. Their has always been to make their products available and affordable to everyone, as well as being musical and easy to use. Above all, they know that,through their attention to quality and detail,your Audion is a “sound investment.”