The Sansui QR-500 is a vintage quadraphonic receiver that was released in the 1970s. It is part of Sansui's range of audio equipment that focuses on high quality sound and versatility. The QR-500 features a unique quadraphonic decoding system, allowing for a four-channel sound experience which enhances the audio playback of compatible media. The design of the QR-500 includes a variety of inputs and outputs, enabling connection to various audio sources, such as turntables, tape decks, and CD players. It is equipped with a power amplifier rated at approximately 50 watts per channel into 8 ohms, providing ample power for driving a standard set of speakers. The receiver also includes tone controls for bass and treble adjustments, along with balance and loudness features for customizing the listening experience. Additionally, it boasts an FM tuner with multiplex capability for stereo broadcasts. Its aesthetic includes a sleek front panel with analog meters and a warm finish, characteristic of Sansui's design philosophy during that era.
