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.

The Preludio at 14watts of pure Class-A power will drive most loudspeakers that have a sensitivity level of 89db + displaying superb detail and clarity

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 inputs, 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

About Unison Research

Unison Research has been praised all around the world for more than 20 years. Their objective has always been to give delight through listening to music. Unison manufactures tube electronics, hybrid electronics and speakers all with the absolute intention of excelling at their objective.