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Unison Research Preludio

Unison Research Preludio
alaScore 79

4 reviews

Apr, 2018

alaTest has collected and analyzed 4 reviews of Unison Research Preludio. The average rating for this product is 4.6/5, compared to an average rating of 4.1/5 for other Receivers & Amplifiers for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Receivers & Amplifiers the Unison Research Preludio is awarded an overall alaScore™ of 79/100 = Good quality.

Review analysis

(Based on 4 reviews)

Expert Reviews  

User Reviews  


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Showing 1 - 3 of 3 Show Reviews: in English | in other languages (1)

Expert review by : TechRadar (

Unison Research Preludio review


An intriguing blend of old and new, but is that enough?

Excellent build quality ; Strong rhythm ; Lively sound

Not the most powerful amp

A rhythmically confident amp, which may lack a little bass and absolute power, but makes up for it in liveliness, control and imaging. Strong on detail, this amp gets close to the valve ideal.

Mar, 2008

Expert review by : What Hi-Fi? (

Unison Research Preludio review


Unusual looks, high price, low power output – things don't look great for the Preludio, until you hear the beautiful midrange and unbridled enthusiasm

Quirky appearance ; sweet sounding treble ; expressive and emotional midrange ; detailed across the board

Fussy about speakers ; looks won’t impress everyone

Valve amps might not be as popular as they once were, but the Preludio is a fantastic example of the genre

Jan, 2007

Consumer review (

Unison Research Preludio


Unison Research produces some of the most beautiful integrated amplifiers out there. Even better, they sound as good as they look. I had the Smart 845 amps and Mystery One preamp for several years until I had to sell them do to space consideration. I...

Mar, 2012