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With condition listed as unknown, the price is still a standout: GBP 183 sits well below the GBP 281 25th-percentile comparable, making this a strong deal if it is a working Paradigm Ultra rather than a repair project. The model designation is a little vague, so confirm the exact Ultra variant before committing.
Paradigm’s Ultra/UltraCube subwoofers are well regarded for delivering substantial, controlled bass from relatively compact cabinets, with a reputation for integrating nicely into music-focused systems as well as adding weight to films. At GBP 183, a clean grille, quiet amplifier, healthy driver and reliable auto-on circuit would make this an excellent buy. Ask for a powered demonstration, listen for rubbing or chuffing, and verify that the RCA/LFE input and level controls behave normally.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Paradigm Electronics was founded in 1982 in the suburbs of Toronto, Canada, by Scott Bagby, a pioneering loudspeaker designer, and Jerry VanderMarel, a consumer electronics veteran. With input from Jerry's brother Bill, they revolutionized speaker design by integrating scientific acoustics research from the National Research Council of Canada and rigorous listening tests. From humble beginnings, Paradigm rapidly expanded, opening its Paradigm Advanced Research Center in 1993 and earning early accolades like the 1990 Best Price/Value Award, cementing its innovative heritage.
The brand focuses primarily on high-performance loudspeakers, including iconic models like the Atom and Monitor series, alongside premium lines such as Signature. Paradigm controls its entire production process in a massive 225,000-square-foot facility outside Toronto, manufacturing drivers, cabinets, and components in-house for unmatched precision. While best known for freestanding and architectural speakers, it has ventured into electronics through sister brands like Anthem, emphasizing value-driven hi-fi without straying into turntables, DACs, headphones, or cables.
Paradigm holds a strong mid-to-high-end position in the global market, renowned for delivering audiophile-grade sound at accessible prices. A bestseller across six continents, it commands significant shares in freestanding (No. 6) and architectural speakers among top integrators. Repurchased by founder Scott Bagby in 2019, Paradigm upholds its commitment to the "Paradigm Sound"—transparent, dynamic audio that punches above its weight, appealing to discerning buyers seeking Canadian craftsmanship over boutique exclusivity.
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