Sansui AU 6900 (1975-1977)
Specifications
| Feature | Specification |
| Year of Production | 1975-1977 |
| Power Specifications | 60W per channel into 8Ω (stereo) |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Dual power supply, DC amplifier design, FET differential input stage, direct coupling, tone defeat switch, speaker selector, phono MM/MC inputs, pre-out/main-in jacks |
Historical Significance
Part of Sansui's highly regarded AU-series from the 1970s golden age, representing excellent engineering and build quality at a mid-price point, known for robust construction and advanced circuitry
Sound Signature
Clean, detailed, and neutral with excellent bass control, wide soundstage, and low distortion - considered more accurate than warm
Maintenance and Restoration Tips
Aging electrolytic capacitors, dirty controls and switches, occasional relay issues, bulb replacement for dial lights
Collectibility and Market Value
- Market Value: $300-$600 depending on condition and restoration status
- Collectibility Rating: 7/10
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.
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)