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Unison Research

Unison Research was founded in 1987 by a group of passionate audiophiles. Today, the range includes some of the finest valve amplifiers available, with beautiful Italian styling matching their sublime sound quality.

The founders were led by Giovanni Maria Sacchetti, who devoted himself at an early age to the study and design of hi-fi systems, combining his interest in electronics with a passion for music inherited from his father, an expert pianist. After completing his studies in electronics, he devoted twenty-five years to teaching while at the same time designing and developing amplifiers for Unison Research.


The current range spans a range of budgets, with models suited to a wide range of speakers. For advice on speaker matching, please call us on 0844 50 403 50 or click here to e-mail us.

Unison Research

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Contact Details

UK Local Rate Number
0844 50 403 50

Sales Landline
0121 224 7300/7401

Customer Services Landline
0121 224 7350/7351

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