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Audio Research LS-3



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Brand: Audio research

The Audio Research LS-3 is a high-end preamplifier and active speaker system designed and built by the renowned American audio brand, Audio Research. It combines both the preamp and speaker functions in a single package, making it a popular choice for audiophiles seeking a simplified, cohesive system with exceptional sound quality.The LS-3 features a dual-mono design with separate power supplies and toroidal transformers for its preamp and active speaker sections. This ensures maximum separation and low noise floor, resulting in a transparent and detailed performance. It also incorporates Audio Research's renowned tube-based preamp circuitry, which offers warm, natural, and highly musical response.The active speaker section of the LS-3 features custom-built compression drivers, high-performance midrange and bass drivers, and advanced crossovers designed by Audio Research. These components work together seamlessly to deliver a wide, deep, and spacious soundstage with excellent imaging and dynamics. Additionally, the LS-3's speakers can be bi-wired or bi-amped for customizable performance.Overall, the Audio Research LS-3 offers a remarkable listening experience with exceptional tonality, clarity, and detail in both the preamp and speaker stages. Its combination of tube and solid-state circuitry, advanced technologies, and high-quality components makes it a benchmark in the world of high-end audio equipment.



  • Preamp Output: 2V (35V max)
  • Frequency Response: 2Hz to 100kHz
  • Distortion: 0.01%
  • Gain: 18dB (line)
  • Input Sensitivity:
  • Signal to Noise Ratio: 100dB (line)
  • Line Output:
  • Dimensions: 480 x 134 x 260 mm
  • Weight: 5.0 kg
  • Year: 1993
  • Price:

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3

Audio Research LS-3



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