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Musical Fidelity M8 700 Mono Amplifiers I have owned these amazing monos for just over 3 years never thought I would part with them but as usual in this game someone offered me a deal on an upgrade so now parting ways with them The price is for the pair They are beasts and have enough power to power any speaker The Musical Fidelity M8 mono amplifier, also known as the M8-700m, delivers 700 watts into 8 ohms and 1300 watts into 4 ohms, features a fully balanced, dual-symmetry design with 120dB, and a frequency response o
The listing notes “unknown” condition, which immediately tempers the appeal of the A$6,950 asking price for a single Musical Fidelity M8 700m monoblock. At current retail, a pair costs A$13,800 (A$6,900 each), so this single-unit price sits just above new per-unit cost despite the condition uncertainty—making it not a bargain and likely above the typical used median for a known-good unit. Without verified condition or proof of original ownership, benchmarking is shaky, but paying near-new money for an unknown monoblock is risky unless the seller can confirm flawless operation and full accessories.
That said, the M8 700m is a highly respected fully balanced monoblock delivering 700W into 8Ω (1300W into 4Ω) with ultra-low THD (<0.005%) and >120dB signal-to-noise, making it a powerhouse for demanding speakers. If the unknown condition resolves to excellent, original-owner with all cables and manuals intact, it becomes a compelling buying opportunity given its rarity in the used market. Only flag concerns if the seller can’t confirm power-up tests, fan noise, or channel balance—otherwise, treat this as a fair but cautious entry into a top-tier Australian power amp.
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.
