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Our Thoughts RADAR AI

The M8xi is a serious statement integrated: huge drive, a built-in DAC, and the sort of control that suits demanding loudspeakers. At £3,934, it sits above your recent GBP median of £3,491 and clear of the £3,689 75th percentile, so this reads as ambitious rather than sharp value.

That said, it’s a genuinely desirable amp if you want near-separates performance in one box; the 550W class output and dual-mono muscle are the draw, and it’s well regarded for grip, scale, and ease with difficult loads. If this is truly clean, with the remote and original packaging, it has upside for the right buyer — but at this price I’d want strong condition and a complete accessory set.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Musical Fidelity

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.

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