Sansui AU X1 (1974-1978)
Specifications
| Feature | Specification |
| Year of Production | 1974-1978 |
| Power Specifications | 160W per channel (8Ω, RMS), stereo amplifier |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Dual mono construction, fully discrete DC amplifier design, dual power transformers, massive heat sinks, FET input stage, Sansui's first DC-coupled amplifier, advanced protection circuitry |
Historical Significance
Sansui's flagship amplifier that established their high-end reputation, pioneering DC amplifier technology that influenced future designs, considered one of the finest amplifiers of the 1970s
Sound Signature
Extremely transparent, detailed, and neutral with exceptional bass control and dynamics, wide soundstage, low distortion, precise imaging
Maintenance and Restoration Tips
Aging capacitors, thermal stress on components due to high operating temperatures, potentiometer cleaning, driver transistor failures, requires expert restoration due to complex circuitry
Collectibility and Market Value
- Market Value: $1,500-$3,000 depending on condition and restoration status
- Collectibility Rating: 9/10
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Related Models
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- Nakamichi BX-1 (1985)
- Acoustic Research research-ar-17 (1978)
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