The Sansui QRX-4500 is a quadraphonic receiver produced in the mid-1970s, designed to deliver an immersive audio experience with four-channel sound. It features a robust output power of 60 watts per channel, offering dynamic sound reproduction for audio enthusiasts. The receiver is equipped with various capabilities, including multiple inputs for diverse audio sources, such as phono, tape, and auxiliary. It also has a built-in FM tuner, allowing users to access a range of radio stations. The QRX-4500 includes a range of tone controls, enabling users to customize their listening preferences. Its design is characterized by a classic, vintage aesthetic with a wooden cabinet, metal knobs, and an analog dial that compliments its retro style. The unit incorporates a dual-rail power supply and offers options for speaker connections, enabling flexibility in setup. Additionally, the QRX-4500 supports matrix decoding, allowing for enhanced audio performance when playing compatible quadraphonic formats. Key specifications include frequency response, typically noted as 20 Hz to 20 kHz, total harmonic distortion (THD) around 0.1%, and a signal-to-noise ratio that contributes to its clear audio output.
