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Compared with buying a new high-powered multichannel amplifier, £2,353 is a tempting figure, but against the used market it is clearly ambitious: it sits above the £1,902 75th-percentile asking price from six comparables, versus a £404 median. With the listing marked “unknown” condition and no precise model or accessory information, there is not enough here to justify paying a substantial premium.
If this is the M6x 250.7, its appeal is substantial: seven serious Class A/B channels, strong power reserves, quiet fanless operation, and both RCA and balanced XLR inputs make it unusually flexible for cinema or multichannel bi-amping. That capability is well regarded, but at this money the buyer should insist on the exact model, serial number, confirmed channel operation, clean photographs, and original packaging or delivery arrangements—the unit is heavy. A lower negotiated price would make this much more compelling.
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.
