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Harbeth 40.3 XD Standmount Loudspeakers The Absolute Sound - September 2023 - Harbeth M40.3 XD Review In September 2023 edition of The Absolute Sound magazine, senior reviewer Paul Seydor takes the pair of Harbeth's M40.3 XDto his reference system for longterm detail listening. Some of the his observations read quite impressive: There is no doubt reviewer Paul Seydor finds Harbeth M40.3 XD to be the reference loudspeaker: "I had both the 40.2 and the 40.3 in house at the same time, I can assure Monitor 40 fans that Shaw has made no attempt to reinvent the wheel of what is obviously a very
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Harbeth Audio Ltd. traces its origins to 1977, when BBC Research Department engineer H.D. (Dudley) Harwood founded the company in the UK upon his retirement. Harwood, a pioneer in loudspeaker cone materials, commercialized his inventions—including polypropylene cones developed during four decades of BBC-funded research—to produce monitor speakers that echoed the broadcaster's precision standards. This heritage, rooted in the BBC's comprehensive loudspeaker investigations from the 1960s and 1970s, positioned Harbeth as a direct descendant of iconic designs like the LS3/5a.
The brand focuses exclusively on high-fidelity loudspeakers, eschewing amplifiers, turntables, DACs, headphones, or cables. Harbeth's innovations center on proprietary materials and engineering, notably the patented RADIAL™ cone introduced in the 1990s, which minimizes distortion for exceptional clarity and natural reproduction. Standout models include the Super HL5 Plus, Monitor 30.1, and Monitor 40.2, all refined through ongoing refinements to critically damped cabinets, polymeric cones, and crossover networks.
Harbeth commands a revered position in the high-end hi-fi market as a niche boutique specialist, prized by discerning audiophiles for its balanced, transparent sound that prioritizes musicality over hype. Under Alan Shaw's leadership since 1986, blending BBC traditions with rigorous quality control, it sustains an irrefutable reputation for world-class performance at low-to-medium volumes, earning critical acclaim worldwide.
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