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Offered is „Supercharger 550k“ by Musical Fidelity as second-hand device from the category „Transistor-Poweramp“ on audio-markt.de - the online market place for high-end. The advert with the number 7305051654 ends on 26.10.2026 at 07:02 o'clock.
Against a decent integrated at this money, this looks strong: €1,490 is only a touch above the low end I’d expect for a used pair of these, and clearly below the sort of mid-market asking you often see for Musical Fidelity’s big monoblocks. That makes it a fair-to-good buy rather than an ambitious one, especially if it’s complete and genuinely in good cosmetic shape.
What keeps it interesting is the sheer drive and control these amps are known for: huge current reserve, effortless scale, and the sort of grip that wakes up demanding speakers. They’re a bit of a cult piece for a reason, and if this is a clean, well-kept example, the value is in getting serious muscle without paying flagship-new money. The main thing to check is practical: weight, heat, and whether both units are fully healthy and matched.
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.
