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IsoTek EVO3 Sigmas Power Conditioner NLR - original box not available. First Owner. Product has no issues. The EVO3 Sigmas offers 4 medium power outlets, now rated at 10 Amp and 2 high current driven by a paired down version of Titan’s Direct-Coupled© conditioning network. It represents an extremely cost effective full system upgrade. This comment from Isotek Founder Keith Martin sums it up perfectly: "The original Sigmas combined GII Titan and Nova thinking into a single chassis, and was universally praised for its compact size and power delivery and timing. Our new EVO3 version offers a te
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IsoTek, founded in 2001 in England by Keith Martin, emerged from a focused mission to combat poor mains power quality that hampers hi-fi performance. Martin's vision drove rigorous research into power optimization, establishing the brand as a pioneer in delivering clean electricity to audio systems. From its inception, IsoTek has prioritized innovation, with products manufactured in Europe to ensure durability and precision.
The company specializes exclusively in power conditioning solutions, including highly specialized mains conditioners and enhancement power cables. These components actively filter and purify electricity from wall sockets, benefiting amplifiers, source components, turntables, and home cinema setups without altering core audio gear categories like speakers or DACs. This narrow focus allows IsoTek to offer scalable upgrades across budgets, from entry-level to reference-grade systems.
IsoTek commands a premium position in the high-end hi-fi market as the recognized leader in clean-power technology, trusted by over 100,000 customers in 45 countries and endorsed by brands like Arcam, Marantz, and Nordost. Hundreds of awards from audio critics affirm its reputation for transformative sound improvements and equipment protection, appealing to discerning enthusiasts seeking measurable performance gains.
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