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This is an ambitious ask: at US$5,250, it sits far above the US$964 75th percentile of the recent comparable US$ listings, so it’s priced well into premium territory. That doesn’t make it absurd for a serious tube preamp with phono, but it does mean you should expect standout condition, strong provenance, and a spec/listing that clearly separates it from the pack.
What makes it appealing is the kind of all-in-one analog front end enthusiasts actually chase: a line stage with phono built in can be a tidy, high-quality centerpiece if the circuit is quiet and the phono section is properly matched to your cartridge. If the unit is clean, fully functional, and includes the right tubes and accessories, the value is in saving the hassle of separates. At this price, though, I’d want confidence on tube health, service history, and exactly what’s included.
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.
