Sansui QA 7000 (1973-1975)
Specifications
| Feature | Specification |
| Year of Production | 1973-1975 |
| Power Specifications | 20W per channel (8Ω), stereo |
| Impedance | 4-8Ω |
| Sensitivity | Unknown |
| Key Features | DC amplifier design, dual power supplies, FET front end, phono stage with low noise, tone controls, loudness switch, tape monitor |
Historical Significance
Part of Sansui's first generation of DC-coupled amplifiers, representing their shift toward high-fidelity solid-state designs with improved linearity and reduced distortion
Sound Signature
Clean, detailed, and neutral with tight bass response and smooth highs, characteristic of Sansui's early solid-state engineering
Maintenance and Restoration Tips
Aging capacitors, potentiometer cleaning, possible transistor failure in driver stages, bulb replacement for dial lights
Collectibility and Market Value
- Market Value: $150-$300 depending on condition and cosmetic appearance
- Collectibility Rating: 6/10
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Service Manuals & Schematics
- Manual (1973) — archive.org
Related Models
- Sansui PM C100 (Unknown)
- Sansui 6060 (1975-1977)
- Sansui 551 (1973-1975)
- Sansui AU 555 (1968-1971)
- Sansui CA 3000 (1974-1977)
- Akai AM-2850 (1975)
- Akai AP-206 (1975)
- Nakamichi BX-1 (1985)
- Acoustic Research research-ar-17 (1978)
- Acoustic Research AR-19 (1994)