Sansui QS 1 (1971-1972)
Specifications
| Feature | Specification |
| Year of Production | 1971-1972 |
| Power Specifications | 20W per channel (8Ω), stereo |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Quadraphonic decoder (QS matrix), four-channel output, front panel decoder mode switch, discrete 4-channel input capability, Sansui's proprietary matrix decoding technology |
Historical Significance
One of Sansui's first quadraphonic decoders, part of the early 1970s quadraphonic sound movement, demonstrated Sansui's leadership in matrix decoding technology
Sound Signature
Clean decoding with good channel separation for matrix format, maintains Sansui's characteristic warm and musical tonality in quadraphonic reproduction
Maintenance and Restoration Tips
Aging capacitors, dirty mode switches and potentiometers, bulb replacement for indicator lights, occasional issues with decoder circuitry after decades of use
Collectibility and Market Value
- Market Value: $100-$250 depending on condition and functionality
- Collectibility Rating: 5/10
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