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The timing doesn’t really hurt this one: the M2si is a current-ish, well-known model rather than a collectible vintage piece, so value is mostly about condition and completeness. At £261, it lands well below the £340 25th percentile and comfortably under the £364 median, so this looks like a strong buy rather than merely fair value.
That matters because the M2si is a solid, no-nonsense integrated with proper drive and a clean, muscular presentation that suits a lot of real-world speakers. It’s a good pick if you want straightforward analogue amplification without bells and whistles; just check the remote, inputs, and general working order, since that’s where any used-amp headaches usually show up.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Musical Fidelity, a British hi-fi icon, traces its roots to 1982 when clarinettist and audio enthusiast Antony Michaelson founded the company in London. Disillusioned with the sound quality of existing gear after his stint at predecessor Michaelson & Austin, he handcrafted his debut product—a minimalist preamplifier dubbed "The Preamp"—on his kitchen table. Paired with the quirky Dr. Thomas power amplifier, these designs disrupted the market with their bold aesthetics and sonic punch, establishing Michaelson’s experimental ethos from the outset.
The brand has long centered on amplifiers as its cornerstone, spanning integrated, power, phono, headphone, and preamp models renowned for Class-AB topology and innovative touches like Nuvistor tubes. It expanded into streaming players, DACs, CD players, Bluetooth receivers, all-in-one systems, and even headphones and turntables, always prioritizing musicality over convention. Unconventional industrial designs, from curved heatsinks to sculptural panels, became signatures, influencing competitors.
Positioned firmly in the high-end arena, Musical Fidelity commands respect among discerning audiophiles for its value-driven performance and soulful sound. Iconic models like the A1 and F-series endure as collector favorites, blending accessibility with premium engineering. Acquired by Austria’s Audio Tuning in 2018, it continues evolving under new stewardship while honoring its heritage as a boutique force in British hi-fi.
See all Musical Fidelity listings on RADAR.
