Unison Research Preludio Valve Integrated Amplifier

Part of the Unison Research classic line of tube amplifiers that include the Sinfonia and the Performance, the Unison Research Preludio integrated amplifier continues the technical approach, sound and aesthetics of its larger siblings. 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.

Unison Research Preludio Technical Characteristics

• • Type: Stereo Integrated Valve Amplifier
  • Output Stage: single-ended ultra liner A class
  • Output Power: 14W / channel
  • Inputs: 4 line, 1 tape
  • Outputs: 1 tape, 1 subwoofer, loudspeakers
  • Input Impedance: 47 kOhm
  • Output Impedance: 6 ohm
  • Feedback factor: 10dB
  • Frequency Response: 15 – 50000 Hz
  • Valves: 2 x 6550/KT88, 2 x ECC82
  • Remote Control: IR for volume
  • Power Consumption: 200W max
  • Dimension: 37.5 x 40 x 18cm
  • Net Weight: 40 lbs