Sansui AU 9900A (1976-1978)

Market Value: $800-$1,500 depending on condition and restoration status
Collectibility Rating: 8/10

Name: Sansui AU 9900A
Brand: Sansui

Specifications

Feature	Specification
Year of Production	1976-1978
Power Specifications	60W per channel (8Ω), 80W per channel (4Ω), stereo integrated amplifier
Impedance	4-16Ω
Sensitivity	Unknown
Key Features	Dual power supply, DC-coupled amplifier design, FET differential input stage, toroidal power transformer, loudness contour switch, bass/treble controls, subsonic filter, pre-out/main-in jacks

Historical Significance

Flagship integrated amplifier from Sansui's highly regarded 1970s era, representing the pinnacle of their solid-state design before digital technology. Known for exceptional build quality and engineering excellence during the golden age of hi-fi.

Sound Signature

Warm, detailed, and powerful with excellent bass control and smooth high frequencies. Known for its musicality and ability to drive difficult speaker loads with authority.

Maintenance and Restoration Tips

Aging electrolytic capacitors, particularly in power supply section; dirty controls and switches; occasional issues with protection relay contacts; bulb replacement for illumination