Sansui QRX 5500 (1973–1974)
A four-channel solid-state receiver from the early quadraphonic era, made by Sansui between 1973 and 1974.
Overview
The Sansui QRX-5500 is a four-channel receiver from the height of the quadraphonic movement. Sansui built it from 1973 to 1974. It pairs a solid-state AM/FM stereo tuner with a 4-channel amplifier. Documentation is sparse, but surviving units confirm it was a high-end receiver for its time. Original price was $599.95.
Specifications
| Product type | Four Channel Receiver |
| Production years | 1973–1974 |
| Original price | $599.95 |
| Power output | 22W/ch into 8Ω (quadraphonic) |
| Frequency response | 30Hz to 30kHz |
| Total harmonic distortion | 0.3% |
| Damping factor | 40 at 8 Ohm |
| Tuning range | AM/FM |
| Power consumption | 400 W max. |
| Dimensions | 594 x 203 x 370 mm (WxHxD) |
| Weight |
Design
The QRX-5500 has a solid-state AM/FM stereo tuner and a 4-channel amplifier. It supports quadraphonic playback through discrete four-channel audio output.
Market
Current market listings run all over the map. One pre-owned unit was offered at $14.95, and another was valued at €2,183.00. One owner reported paying $60 for a working unit with minor cosmetic damage, rated 8/10 condition. Service manuals are available for restoration and maintenance.
eBay Listings
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Related Models
- Sansui 2000X
- Sansui 7900
- Sansui 9900Z
- Sansui G-2200
- Sansui G-6000
- Marantz 2226 (1974-1976)
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- Marantz 2235 (1974-1977)
- Marantz 2238B (1978-1980)
- Marantz 2250B (1978-1980)