The Sanyo DCX-3100 is a quadraphonic receiver designed for high-quality audio reproduction. Manufactured during the mid-1970s, this model features a silver front panel with a walnut decor housing. It has a compact design ideal for home audio systems and provides a warm sound profile typical of vintage equipment. This model supports a variety of input sources, including phono, auxiliary, AM, and FM, and is capable of quadraphonic decoding with several modes, including SQ and matrix sound. The DCX-3100 is known for its solid build quality and aesthetically pleasing design. In terms of specifications, it has a power consumption of 90 W maximum and dimensions of 473 x 120 x 343 mm (W x H x D) while weighing about 7.3 kg. It offers multiple inputs and outputs, catering to various connectivity needs, including a few aux and tape connections, which enhances its usability.