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Our Thoughts RADAR AI

At £1,068, this Musical Fidelity M6si is a clear bargain compared to the obvious alternative of hunting for other units near the £1,026 median, especially since it sits comfortably above the 25th percentile of £974 but well below the 75th percentile of £1,266. The price is fair to excellent, landing just £42 above the median and representing strong value for a well-regarded integrated amp that delivers 220W per channel and includes a high-quality DAC with USB input.

The M6si remains a top-tier choice for its clean modern look, ultra-low distortion (<0.007% THD), and robust power that handles difficult speakers effortlessly. Its inclusion of balanced XLR and USB-B digital inputs adds modern versatility to an amp that never sacrificed musicality for specs. Since the listing price is below the median and the condition is unconfirmed but likely solid for a sought-after model, this is a buying opportunity for enthusiasts who want high power, pristine sound, and digital flexibility without paying premium prices.

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.

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