Unison Research Preludio Integrated Amplifier

Any mention of "us," "we," "our," etc is by Unison Research, not AV One.

1-year Local Warranty. 6 months for Tubes.


Part of our classic line of tube amplifiers that include the Sinfonia and the Performance, the 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.

Technical Specifications

Type: Stereo Integrated Valve Amplifier

Output Stage: single-ended ultraliner A class

Output Power: 14W / channel

Inputs: 4 line, 1 tape

Outputs: 1 tape, 1 subwoofer

Input Impedance: 47 kOhm

Output Impedance: 6 ohm

Feedback factor: 10dB

Frequency Response: 20Hz – 85kHz ( -1dB@ 7 W )

Valves: 2 x 6550/KT88, 2 x ECC82

Power Consumption: 200W max

Dimension: 37.5 cm x 40 cm x H 18 cm

Net Weight: 18kg, 40 lbs

Related Items