Unison Research PRELUDIO Class A Integrated Stereo Tube Amplifier (14 + 14 W RMS)

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While the Preludio’s appearance is certainly gorgeous, it is also extremely reliable due to its unique design solutions, quality materials and adherence to the highest of standards.

Remote control: RC 2


  • 2 x 6550 / KT88
  • 2 x KT88
TypeStereo Integrated Valve Amplifier
Output Stagesingle ended ultraliner A class
Output Power14W / channel
Inputs4 line, 1 tape
Outputs1 tape, 1 sub woofer, loudspeakers
Input Impedance47 kOhm
Output Impedance6 ohm
Feedback factor10dB
Frequency Response15 – 50000 Hz
Valves2 x 6550/KT88, 2 x ECC82
Remote ControlIR for volume
Power Consumption200W max

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