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

When Sansui launched the 350A in 1968, they weren’t just releasing another amplifier—they were staking a claim in the future of high-fidelity sound. As part of their early solid-state lineup, the 350A marked a pivotal shift from vacuum tubes to transistors, delivering reliability without sacrificing the warmth audiophiles loved. It helped cement Sansui’s reputation for engineering excellence during a transformative era in audio technology.

Sound Signature

Don’t let its transistor heart fool you—the 350A sings with a rich, tube-like character that still turns heads today. Its sound is warm and smooth, with a lush midrange that brings vocals and acoustic instruments to life. Despite its modest 20 watts per channel, it drives speakers with authority and musicality, offering a listening experience that feels far more alive than its specs might suggest.

Maintenance and Restoration Tips

After more than half a century, these amps demand attention—but they reward the effort. Aging electrolytic capacitors are the first thing to address; they often dry out and cause hum or distortion. Pots and switches gather oxidation over time, so 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 glory, often unlocking even better performance than it had in its youth.