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What should you expect from a classic tube preamp at US$500 when the recent asking-price median is US$550 and the 25th percentile is US$538? This is a strong deal: it lands below the 25th percentile, so it’s priced better than most of the recent comparable listings.
That makes it attractive for the sound and the pedigree. These are well-liked for a big, dimensional midrange, natural tone, and the kind of musicality that keeps tube-preamp fans interested long after newer gear has come and gone. At this price, the upside is in getting into a respected line without paying the usual premium; if it’s clean, quiet, and complete, it looks like a smart buy rather than a project.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audible Illusions was founded in the late 1970s by three Silicon Valley engineers—Bruce Moore, Tom Taylor, and Alan Priestly—establishing itself as a pioneering force in high-end audio design. The company has operated for over forty years, building a reputation as a major contributor to the development of premium audio components. Based in California, Audible Illusions has maintained its independence and vision throughout decades of industry evolution.
The brand is primarily known for preamplifiers, particularly its flagship Modulus series, which has achieved remarkable market penetration with more than 19,000 units sold since 1981. Audible Illusions distinguished itself as a pioneer in modern single-ended tube design during the early 1980s, when most competitors still relied on conventional approaches. The company's preamps are recognized for their refined signal path and sonic characteristics, appealing to discerning listeners who prioritize audio fidelity.
Audible Illusions occupies a firmly high-end, boutique position within the audio market, catering to experienced enthusiasts and collectors who value heritage and sonic performance over mass-market accessibility. The brand's longevity and the sustained demand for its products—particularly vintage Modulus preamps in the secondary market—underscore its credibility among serious audiophiles. While the company maintains a relatively low public profile compared to larger manufacturers, its influence on tube preamplifier design and its loyal customer base reflect its significance within premium audio circles.
See all Audible Illusions listings on RADAR.
