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Audio Research LS-8 (mkI)



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Brand: Audio research

The Audio Research LS-8 (mkI) is a high-end preamplifier that was produced by the American audio company, Audio Research Corporation, in the mid-1970s. The LS-8 was widely regarded as a significant advancement in audio technology due to its use of a fully balanced circuit design, which provided exceptional resolution, dynamics, and low-level detail.The mkI version of the LS-8 was the first American-built preamplifier with fully balanced output transformers. The design included dual-differential inputs, dual-differential signal paths, and high-quality components that delivered a clean, clear, and detailed sound. This preamplifier also featured variable loading options, allowing the user to customize the output impedance to match their amplifier and speakers.The LS-8 (mkI) was very popular among audiophiles during its production and remains highly sought after today. Its unique circuitry and high build quality have contributed to its status as a classic in the audio industry. In fact, Audio Research continues to manufacture preamplifiers that share the LS-8's design philosophy, including the fully balanced Signature Preamp and the LS28.



  • Preamp Output: 2V
  • Frequency Response: 0.5Hz to 100kHz
  • Distortion: 0.01%
  • Gain: 12.2dB (line)
  • Input Sensitivity:
  • Signal to Noise Ratio: 100dB (line)
  • Line Output:
  • Dimensions: 480 x 134 x 260 mm
  • Weight: 4.5 kg
  • Year: 1997
  • Price:

Audio Research LS-8 (mkI)

Audio Research LS-8 (mkI)

Audio Research LS-8 (mkI)

Audio Research LS-8 (mkI)

Audio Research LS-8 (mkI)



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