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The Acurus A100 is a classic, highly regarded, solid-state two-channel power amplifier manufactured in the USA by Mondial Designs during the late 1990s. It is known in the audiophile community for its exceptional build quality, high-current delivery, and "bulletproof" reliability. This amplifier is in fantastic condition. One owner, Non-smoking environment, Fully Tested, Outstanding. May have a few age related slight scratches and scuffs. Key Specifications & FeaturesPower Output: 100 watts per channel into 8 ohms; 150 watts per channel into 4 ohms (both channels driven).Frequency Response: 20 Hz to 20,000 Hz.Total Harmonic Distortion (THD): ≤ 0.06%.Signal-to-Noise Ratio: 110 dB (A-weighted).Input Sensitivity: 1.1 volts for full output.Input Impedance: 20k Ohms.Design: Class AB, featuring fully discrete components (glass epoxy circuit boards and metal film resistors) instead of low-cost integrated circuits.Dimensions & Weight: 17" W x 5" H x 12" D; Weighs approximately 19 lbs.
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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.
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