Sansui 350A (1968-1970)

Market Value: $150-$300 depending on condition and restoration status
Collectibility Rating: 6/10

Specifications

Feature	Specification
Year of Production	1968-1970
Power Specifications	20W per channel (8Ω), stereo
Impedance	4-16Ω
Sensitivity	Unknown
Key Features	Solid-state design, dual power transformers, independent power supplies for each channel, dual tone controls, tape monitor, phono input, front panel headphone jack

Historical Significance

Sansui launched the 350A in 1968. It was part of their early solid-state lineup, and it marked a shift from vacuum tubes to transistors. It delivered reliability without giving up the warmth audiophiles loved. It also helped build Sansui's reputation for engineering during a time of big change in audio technology.

Sound Signature

The 350A has a transistor heart, but it sounds warm and smooth, with a tube-like character that still turns heads today. The midrange is lush, and it brings vocals and acoustic instruments to life. It makes only 20 watts per channel, yet it drives speakers with authority and musicality, and it feels more alive than its specs might suggest.

Maintenance and Restoration Tips

After more than half a century, these amps need some attention. Aging electrolytic capacitors come first. They often dry out and cause hum or distortion. Pots and switches gather oxidation over time, and a careful cleaning with contact cleaner can restore crisp operation. Keep an eye on the transistors and power supply, especially if the unit has been dormant. A full recap and service bring the 350A back to its original performance, and often unlock better performance than it had in its youth.