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Are you after a compact, characterful table-radio system rather than a conventional component stack? At US$100, this is a strong deal: it sits below the US$116 25th-percentile comparable, versus a US$132 median and US$149 75th percentile. Even with unknown condition, the price leaves useful room for routine cleanup or servicing.
The Proton 300 is well regarded for delivering surprisingly big, lively sound from a compact, heavy-duty design, with especially good FM performance, strong bass, and an auxiliary input that keeps it useful with modern sources. Its cult following is deserved, and a complete set with the matching speaker would make this particularly attractive. Before buying, confirm that it powers up, both channels work, the controls aren’t excessively scratchy, and the tuner switches cleanly; age-related contact issues are the main practical concern.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Proton Electronic Industrial Co., Ltd. emerged from Taiwan in 1981, establishing its base in Banciao, Taipei-Hsien, as a manufacturer targeting the U.S. consumer audio market with high-quality components. Linked to Fulet Electrical, which produced notable NAD amplifiers, the brand launched around 1984 to expand into consumer electronics, including acclaimed TV monitors like the 600M and 602M models. By 2009, it remained active, building on a heritage of precision engineering from shared facilities with brands like NAD and Dynaco.
The company focused on premium hi-fi gear optimized for real-world performance, emphasizing tuners, receivers, amplifiers, and integrated systems that drove everyday loudspeakers with exceptional clarity. While not delving into headphones or cables, Proton's lineup prioritized robust playback under practical listening conditions, from radio reception to vinyl and cassette sources, earning praise for its engineering rigor in the 1980s.
Proton holds a solid reputation in vintage hi-fi circles as a mid-tier powerhouse, favored by collectors for its reliable, high-value sound that punched above its price point. Positioned as an accessible alternative to elite brands, it appeals to discerning buyers seeking durable, no-nonsense performers rather than boutique exotica, with ongoing interest in its schematics and restored units.
See all Proton listings on RADAR.
