*Black front panel - Special Order*


The latest version of the classic S9 integrated amplifier offers more power and a new aesthetic form, all without sacrificing its impressive tonal characteristics or its strong performance to price ratio. The result of Unison Research's extensive experience in the design and manufacture of integrated amplifiers, the S9 is the perfect symphony between these both of these elements. The output stages of the S9 are similar to its predecessor, but the functional aesthetics and the use of different tubes take the S9 to a new level of performance.


Key Features:


  • Single-ended Class A integrated valve amplifier
  • Switchable bias
  • Hand built in Italy
  • 30W output per channel
  • 4 Line inputs
  • RC2 remote included

Unison Research S9

  • Type: Stereo Integrated Valve Amplifier
    Output Stage: Single-Ended Parallel A Class
    Output Power (per-channel): 30W
    Output Impedance: 6Ω 
    Input Impedance: 47kΩ / 50pF
    Feedback Factor:  14dB
    Frequency Response: 20Hz - 50kHz
    Valves: 4x SV572-10
    4x ECC82
    Power Consumption: 700W max
    Inputs: 4x Line
    Outputs: 1x Tape
    Dimensions: 40.89 x 25.15 x 56.89cm
    Net Weight: 49.90kg
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