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This is a strong buyer’s market for valve integrateds, and the £2,995 asking price on this Line Magnetic LM-845iA is a genuine bargain, sitting well below the 25th percentile of £2,778 and £3,006 median from recent UK comps. You’re getting a rare deal on a highly respected single-ended Class A amplifier that delivers 22W with robust dynamics and voluptuous, tuneful bass, all while avoiding the sloppy low end some tube amps struggle with.
The LM-845iA is well-regarded for its resolving clarity paired with an inviting lightness of touch, especially with medium-to-high sensitivity speakers. Its 845 output tubes, 12AX7 input stage, and multiple speaker impedance options (4/8/16Ω) make it both versatile and sonically compelling. At this price, it’s a clear buying opportunity—no caveats needed unless the condition is questionable, which isn’t indicated here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Line Magnetic Audio: Brand Overview
Line Magnetic Audio was established in 2005 in Zhuhai, China, by brothers Zheng Cai and Zheng Xi, both passionate audiophiles with deep roots in tube electronics. Zheng Cai's background as a former general manager and chief engineer at Cayin, combined with years spent studying and restoring classic Western Electric, Altec, and Jensen components, provided the technical foundation for the company. This heritage of reverse-engineering and understanding legendary 1950s American audio design remains central to Line Magnetic's identity and philosophy.
The brand specializes in tube-based electronics and speakers, with a product range spanning integrated amplifiers, preamplifiers, power amplifiers, DACs, phonostages, and horn-loaded loudspeakers. Line Magnetic is particularly renowned for its meticulous replicas of classic Western Electric, Altec, and Jensen designs, as well as proprietary field-coil drivers that have earned respect among both manufacturers and DIY enthusiasts. All products are hand-assembled using point-to-point wiring across two factories, reflecting an uncompromising manufacturing philosophy.
Line Magnetic occupies the high-end boutique segment, targeting discerning collectors and audiophiles who value vintage-inspired design married with modern engineering. The brand commands respect for its scholarly approach to audio history, rigorous material research, and unrelenting build quality. Rather than pursuing mass-market appeal, Line Magnetic has cultivated a devoted global following among those seeking authentic tube sound and meticulous craftsmanship.
See all Line Magnetic Audio listings on RADAR.
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