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• Overview – The Audible Illusions Modulus 3, released in 1993, is a tube preamplifier featuring all-valve signal stages and optional phono section, delivering classic analogue warmth, transparency, and exceptional musicality.
• Tube Circuit Design – Utilizing high-quality vacuum tubes in a minimalist circuit, the Audible Illusions Modulus 3 achieves low noise, rich harmonic texture, and outstanding midrange realism prized by vinyl enthusiasts.
• Phono Performance – The Audible Illusions Modulus 3 is especially renowned for its high-performance MM phono stage, offering excellent gain, low noise, and dynamic headroom for revealing analogue front-end systems.
• Specifications – Tube preamplifier topology, multiple line-level inputs, optional MM phono stage, frequency response approximately 20Hz–20kHz, low distortion, high gain structure, and external power supply for improved noise isolation.
• Dimensions – Approximate chassis size is 483 mm (W) × 140 mm (H) × 305 mm (D), with a separate external power supply designed to reduce interference and improve overall system performance.
• Weight – Combined unit and power supply weigh approximately 8–10 kg, reflecting solid construction, tube circuitry, and dedicated power regulation for stable operation.
Generating expert take…
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.
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