SANSUI QSD-1
¥ 79,800 (around 1977)
Commentary
The technology of QS Barrio Matrix which grew up in the professional world is integrated into IC, and the 4 channel synthesizer / decoder of high quality sound quality is built into the QSD-1.
Equipped with a unique New QS synthesizer function that converts general 2-channel sources such as records and FM stereo broadcast transmission into 4-channel.
The synthesizer has 2 positions of surround and hole.
Equipped with a decoder function for good sound image localization.
Equipped with 4-channel input terminal.
Model Rating
| Type | QS Synthesizer / Decoder |
| QS Decoder Unit | |
| Separation | 20 dB (adjacent ch) 30 dB (opposite channel) |
| Distortion factor | 0.1% or Less (1 kHz) |
| Frequency characteristic | 20 Hz to 30 kHz |
| <QS Synthesizer Unit> | |
| Separation | Equivalent to QS decoder section |
| Distortion factor | Equivalent to QS decoder section |
| Frequency characteristic | Equivalent to QS decoder section |
| Input sensitivity | 100mV(2ch) 140mV(4dh) |
| Maximum allowable input | 25 v (Level Set Min., THD 0.5%) |
| 4 ch output level | 300mV |
| Noise level | 250 μ V or Less (Level Control Maximum) |
| External dimensions | Width 482x Height 88.5x Depth 304 mm |
| Weight | 6.6kg |