The McIntosh C104 is a mono tube preamplifier manufactured between 1950 and 1954, designed to deliver superior audio performance with its classic tube technology. The C104 features an elegant design, consistent with McIntosh's aesthetic, often highlighted by a black glass panel and illuminated logo. This device is prized by collectors and audio enthusiasts alike for its vintage sound quality, which is characterized by warmth and richness, typical of tube-based audio equipment. The C104 offers multiple inputs, facilitating versatility in connecting different audio sources. It typically has a straightforward layout, with knobs for volume and tone control, presenting an intuitive interface for the user.