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Sansui QRX-4500

2/4 Channel Receiver (1973)

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Sansui QRX-4500


The QRX-4500 is a 240 watt 4-channel receiver endowed with practically all the features necessary for enjoying every type of music in the new, enthralling 4-channel format.

Incorporating the widely acknowledged Sansui QS Regular Matrix system, it features the exclusive QS Vario-Matrix Circuit, which (1) decodes encoded 4-channel program sources back into 4-channel and (2) transforms (synthesises) conventional 2-channel sources into 4-channel.

It also has complete provisions for reproducing discrete 4-channel sources.


Tuning range: FM, MW

Power output: 23W/ch into 8Ω (quadraphonic)

Frequency response: 30Hz to 30kHz

Total harmonic distortion: 0.5%

Damping factor: 30

Input sensitivity: 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 60dB (MM), 70dB (line)

Channel separation: 45dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Dimensions: 526 x 171 x 317mm

Weight: 18.6kg



This website is not affiliated with or sponsored by Sansui. To purchase QRX-4500 spares or accessories, please contact the company via their website or visit an authorised retailer.