9090 vs McIntosh MAC-4100
The MAC-4100's power @ 8ω is 75W against the 9090's 110W, its signal-to-noise 80 dB against 70 dB, its thd 0.050% against 0.200%, and its damping factor 30 against 10.
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The Sansui 9090, produced between 1975 and 1977, is a high-output stereo receiver offering 110 watts continuous per channel into 8 ohms with less than 0.2% total harmonic distortion. It features a highly selective FM front-end with sophisticated electronic design, four meters (power for each channel, signal strength, tuning), power protection circuitry, and LED indicators. The receiver includes triple tone controls with selectable turnover points, two tape deck terminals, Dolby FM/4-channel adapter facility, and connections for three sets of speakers. It has a wide dynamic range with precise phono equalization, MPX noise reduction, and a large, weighted tuning knob. The unit is housed in a real walnut veneer wood case with a silver and black faceplate and blue illumination. It is known for excellent build quality, heat dissipation, and classic Sansui sound with a rich, wide soundstage. The receiver weighs approximately 23.3 kg and measures 540 x 182 x 397 mm. It was highly regarded for its price-to-performance ratio and remains a sought-after collector's item today. The 9090DB is a related model with Dolby noise reduction circuitry and higher power output but is known to have some reliability issues with the Dolby board.
Amplification power output and characteristics
Analog signal output specifications
Size, weight, and appearance
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
Components that show up alongside the 9090 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The MAC-4100's power @ 8ω is 75W against the 9090's 110W, its signal-to-noise 80 dB against 70 dB, its thd 0.050% against 0.200%, and its damping factor 30 against 10.
The CR-2020's power @ 8ω is 105W against the 9090's 110W, its signal-to-noise 100 dB against 70 dB, its thd 0.050% against 0.200%, and its damping factor 40 against 10.
The 7600's power @ 8ω is 150W against the 9090's 110W, its signal-to-noise 76 dB against 70 dB, its thd 0.030% against 0.200%, and its damping factor >100 against 10.
The AXR100's power @ 8ω is 100W against the 9090's 110W, its signal-to-noise 82 dB against 70 dB, its damping factor 50 against 10, and its thd 0.010% against 0.200%.
9090DB
G-7500
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