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Every thing works as it should pretty cool tube preamp missing screw that holds the top on only has 2 I think my dad left them out to make it easy to tube roll
The Audible Illusions Modulus 3 stands out for its rare all-tube preamp design from the '80s, delivering that warm, detailed sound many vinyl lovers chase in vintage hi-fi. At USD550 with unknown condition, this is a screaming bargain against our recent comps—median USD1,199, with 25th percentile at USD1,024 and 75th at USD1,299—assuming it tests out solid.
Buyers, probe the tube life first; these can wear out and need pricey NOS replacements like 12AX7s. Verify the stepped attenuator works smoothly too, as dirt or oxidation often plagues them, and insist on original power cord and manual if possible. Skip if photos hide rash or mods.
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.
