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Compared with the obvious alternative of buying something newer, this sits above the recent local market for a used integrated amp: the asking price of A$400 is above the median A$307 and above the 75th percentile A$353, so it reads as ambitious rather than fair. With only 2 comparable AUD listings in the database, the benchmark is thin, but on these numbers I’d want a bit more value or a clearly stronger condition story.
That said, this is the sort of older integrated that can be a genuinely satisfying buy if it’s clean and fully working: the appeal is usually solid build, straightforward operation, and a more “grown-up” sound than many budget modern replacements. If it has been serviced, comes from one careful owner, or includes the remote and original packaging, the premium makes more sense; otherwise, at A$400 I’d want proof that it’s been well looked after before jumping.
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.
