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Audible Illusions’ Modulus 3A has a long-standing reputation as a musical, high-value tube preamp with a very “get out of the way and let the system breathe” character. At US$1,600, this asking price sits just below your US$1,625 25th percentile and under the US$1,650 median, so it reads as a good buy rather than an ambitious ask.
That makes it appealing if you want a serious analog front end without paying peak-market money. The upside here is the usual one with this model: strong synergy with revealing power amps, a big sense of space and tone, and enough pedigree to stay desirable. If the unit is clean, quiet, and includes any original packaging or recent service history, this is the kind of listing worth moving on; with older tube gear, confirming healthy operation is still smart, but the price itself is already doing a lot of the work.
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.
