Expired
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At £1,226, this asking price is ambitious, sitting well above the 75th percentile of £972 for comparable used Purifi units.
Despite the high price, the Purifi Eigentakt amplifier remains a compelling buy for serious enthusiasts due to its ultra-low distortion and Bruno Putzeys-designed Class-D technology that rivals far more expensive gear. It delivers exceptional power (425W @ 4ohm) in a compact form, making it ideal for small to medium rooms where space is limited. If this listing is from an original owner with included accessories and no visible wear, the timing and rarity of a clean, well-maintained unit could justify the cost for a buyer seeking top-tier performance without the bulk of traditional amplifiers. Consider it a buying opportunity if the condition is pristine, rather than a warning.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Purifi Audio emerged from Denmark around 2017 as a research-driven venture founded by audio engineering luminaries Lars Risbo and Bruno Putzeys. Both pioneers in class D amplification—Risbo with his PCM-PWM innovations via Toccata Technology and Putzeys with his storied career—teamed up to push boundaries in distortion reduction. Rooted in the science-centric ethos of the Technical University of Denmark, the company formalized through subsidiaries like Purifi Transducer Technology, emphasizing fundamental R&D over consumer products.
The brand specializes in high-performance components rather than complete systems, focusing on advanced loudspeaker drivers and class D amplifier modules. Their Eigentakt control scheme powers modules like the 400W unit, achieving THD and IMD below -115dB across frequencies. These transducer and amp technologies target measurable excellence in linearity and efficiency, serving OEMs and DIY enthusiasts who integrate them into custom high-end builds.
Purifi occupies a niche boutique position in the high-end hi-fi market, revered by knowledgeable buyers for its uncompromising engineering and objective performance metrics. As a young Danish startup, it earns acclaim for revolutionizing driver and amplification tech, though it remains under the radar outside specialist circles, prioritizing innovation over mass-market presence.
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