Sansui AU D7B (1979-1981)
Specifications
| Feature | Specification |
| Year of Production | 1979-1981 |
| Power Specifications | 45W per channel into 8Ω (stereo), 90W into 4Ω |
| Impedance | 4-16Ω |
| Sensitivity | 150mV (line), 2.5mV (MM phono) |
| Key Features | DC amplifier design, dual power supplies, FET input stage, direct-coupled OCL circuitry, tone defeat switch, loudness control, MM/MC phono stage, pre-out/main-in jacks |
Historical Significance
Part of Sansui's highly regarded DC amplifier series, representing their transition to modern high-fidelity designs with excellent measured performance and sonic transparency
Sound Signature
Clean, transparent, and detailed with tight bass control, neutral tonal balance, and excellent dynamics
Maintenance and Restoration Tips
Aging electrolytic capacitors, DC offset adjustment needed, noisy transistors in driver stages, dirty controls and switches, thermal paste degradation on output transistors
Collectibility and Market Value
- Market Value: $300-$600 depending on condition and cosmetic appearance
- Collectibility Rating: 7/10
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