$700.00

Acoustic Research AU Integrated Amplifier

The Acoustic Research Model AU Integrated Amplifier was manufactured from 1968 to 1971. It was widely celebrated as the first commercially successful solid-state amp capable of driving punishingly low-impedance loads cleanly.

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Details

Description

  • Power output: 50 watts per channel into 8Ω (stereo)
  • Frequency response: 20Hz to 20kHz
  • Total harmonic distortion: 0.25%
  • Damping factor: 40
  • Input sensitivity: 2mV (MM), 200mV (line)
  • Signal to noise ratio: 57dB (MM), 75dB (line)
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