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The DIA 100’s age matters: it’s a 1990s design, later superseded by the DIA-150, but still a respected, straightforward integrated with a passive preamp and substantial power amp. At US$280, this is a genuine bargain—well below the comparable-listing 25th percentile of US$340, with a median of US$400 and 75th percentile of US$460.
Its appeal is clean, authoritative drive from a sturdy 100 watts per channel, with particularly good clarity, bass control, and low-noise operation. The passive line stage keeps the signal path simple, though there’s no phono stage, remote, digital connectivity, or headphone output. Since the listing says only “unknown” for condition, confirm both channels, input switching, speaker outputs, and any hum or scratchy controls before buying; even so, a working example at US$280 is well worth pursuing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Acurus emerged in 1993 from Mondial Designs in the United States, positioned as a more accessible counterpart to the acclaimed Aragon brand. Created to deliver high-end performance through minimalist designs, premium specifications, and made-in-America manufacturing, it targeted the specialty AV market against pricier imports. In mid-2009, Indy Audio Labs—co-founded by audio engineer Rick Santiago and physicist Ted Moore—acquired Acurus, revitalizing its legacy after a period of dormancy under Klipsch ownership.
The brand specializes in power amplifiers, AV control processors, and immersive home cinema solutions, blending cutting-edge audio technologies with system setup and control features. Recent offerings like the compact M8X and M4X amplifiers underscore its focus on multi-channel power for media rooms, gaming, and high-performance theaters, all engineered with proprietary electronics, robust mechanics, and intuitive software.
Acurus holds a strong reputation for delivering high-end audio at competitive prices, earning trust among discerning buyers for its rock-solid durability, authentic sound reproduction, and five-year warranty. As a premium American marque under Indy Audio Labs in Indianapolis, it occupies a niche in custom installations, appealing to knowledgeable enthusiasts seeking reliable, USA-built excellence without boutique excess.
See all Acurus listings on RADAR.
