Reference 20 Tube Linestage Preamplifier By Audio Research

The New Reference

The Reference 20 represents a remarkable achievement in high-end preamplifier design, pushing the boundaries of what is possible in line-stage performance. Engineered with an uncompromising focus on sonic purity, every aspect of its construction—from mechanical design and electrical architecture to premium material selection—has been meticulously refined to deliver exceptional transparency and musical realism.

Building on the renowned legacy of Audio Research's iconic preamplifiers, including the celebrated SP-3 and Reference 1, the Reference 20 sets a new benchmark for discerning audiophiles. Its extraordinary clarity, precision, and natural sound reproduction make it an outstanding choice for those seeking reference-level performance and an immersive listening experience.

New Architecture

The Reference 20 is built on an advanced platform designed to minimize distortion and deliver exceptional audio performance. Its innovative multi-layer, multi-metal chassis replaces the traditional stamped design, helping to effectively control unwanted resonance and vibration that can affect sound quality.

To further enhance performance, the critical audio circuits are mounted on specially engineered suspended, mass-loaded boards that isolate the signal path from mechanical interference. This sophisticated construction helps preserve delicate musical details, improve spatial imaging, and deliver outstanding clarity, focus, and realism. The result is a truly reference-level listening experience for audiophiles who demand the highest standards of performance.

Power. Harnessed.

The Reference 20 features a comprehensively redesigned power supply that contributes to exceptional performance, stability, and long-term reliability. Incorporating advanced regulation and the latest high-quality components, including next-generation film capacitors, it achieves an impressively low noise floor for outstanding musical clarity and detail.

This refined design allows the Reference 20 to reveal the most delicate nuances of a recording while maintaining remarkable control during demanding dynamic passages. Listeners can expect exceptional speed, precision, and articulation, complemented by a rich, natural tonal balance and effortless musical flow.

Despite its single-chassis design, the Reference 20 is engineered to deliver performance that surpasses its highly regarded two-chassis predecessor. It offers impressive authority, powerful dynamics, expansive soundstage reproduction, and an extraordinary ability to resolve even the finest details within a recording.

The result is a highly transparent and lifelike listening experience, combining exceptional resolution with natural musicality. For audiophiles seeking a true reference-level line-stage preamplifier, the Reference 20 stands out as an outstanding choice.

The Reference 20 delivers a truly exceptional listening experience, offering significant advancements in transparency, musical realism, and overall performance. Designed to reproduce recordings with remarkable depth, tonal accuracy, precise timing, and effortless dynamic expression, it allows listeners to experience music with extraordinary clarity and emotional impact.

Every performance is presented with outstanding realism, capturing not only the finest musical details but also the atmosphere, energy, and emotion of the original recording. The expansive soundstage, natural tonal balance, and exceptional resolution combine to create an immersive listening experience that satisfies even the most discerning audiophiles.

Widely regarded as a benchmark in high-end audio, the Reference 20 sets a new standard for reference-class preamplifier performance, making it an outstanding choice for those seeking uncompromising sound quality.