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Unison Research Unico 150
The Unico 150 amplifier has been designed to suit both high-end audiophile and highly scientific criteria. This dual-approach to development has led to the creation of a product that is different to anything Unison Research – or any other manufacturer – have developed before: a powerful, great-sounding amplifier with only three stages (two tube stages and one power MOSFET stage).
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Professional Reviews 90/100
Deliciously Crispy
Sound Quality
91/100
Build Quality
88/100
Features Connectivity
85/100
Value for Money
94/100
The Unico 150 fuses valve-bred color with muscular solid-state authority, delivering a sweet, organic midrange, vivid micro-detail and effortless dynamics. Pursuit Perfect System found it poised at high levels and deeply involving, while Old Guy Hifi praised its refined, fatigue-free clarity. A compelling hybrid for listeners who prize tonal richness, drive and long-session musicality.
What Reviewers Are Saying
Pros
Rich, organic and emotionally engaging sound combines sweetness with strong micro-detail retrieval.
Composed, powerful dynamics stay smooth and controlled during loud, demanding passages.
Generous current delivery and hybrid voicing work convincingly across varied loudspeaker types.
Well-equipped analogue connectivity includes balanced inputs, home-theater bypass, pre-out and sub-out.
&
Cons
Warm, weighty voicing trades some leading-edge clarity and ultimate soundstage openness for musical ease.
Deep-bass control and presence are not quite class-leading.
The thin top plate can flex and rattle when tapped.
SOUND QUALITY PERFORMANCE 91/100
Reviewers consistently describe a refined, soulful hybrid presentation that combines warmth and sweetness with strong insight, energy and composure. Its most notable compromises are slightly softened leading-edge clarity, less ultimate stage spaciousness than some rivals, and deep-bass control that is not quite class-leading.
Transparency Resolution
91/100
Pursuit Perfect System praises the amplifier's excellent insight and micro-detail retrieval, while both reviews describe a clear, lively presentation that remains musically coherent. The same reviewer finds it somewhat warm and heavy-handed compared with amplifiers offering greater leading-edge clarity and openness.
Tonal Balance Musicality
94/100
This is the Unico 150's defining strength: reviewers repeatedly call it sweet, smooth, organic, lush and soulful. Its natural flow and relaxed but involving character make it especially appealing for long sessions and tone-rich material such as classical music.
Dynamics
93/100
Both reviewers find the amplifier notably composed and effortless under demanding dynamic swings. It stays controlled through orchestral crescendos and high playback levels without hardening or congesting, although clarity begins to diminish beyond the review system's upper volume limit.
Soundstage Imaging
87/100
The Unico 150 is credited with good stage width and depth, intimate yet dimensional vocal placement, and convincing ambient detail. However, Pursuit Perfect System considers overall soundstage space better served by some competing amplifiers.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
88/100
Reviewers note substantial dual toroidal transformers, generously specified output devices and good internal components, while Old Guy Hifi praises the fit, finish and reassuring solidity. The main reservation comes from Pursuit Perfect System, which found the top plate too thin and prone to rattling when tapped.
Features Connectivity
85/100
Connectivity is well judged for a performance-led analogue integrated amplifier, with two balanced inputs, three unbalanced line inputs, a home-theater bypass, tape output and volume-controlled subwoofer output. It omits digital inputs, streaming, a phono stage and headphone socket, so users will need separate source components for those functions.
Value for Money
94/100
At £4,499 in the UK review and around $7,500 in the US review, critics consider the Unico 150 unusually compelling for its segment. Pursuit Perfect System calls it fantastic value and says it exceeded expectations, while Old Guy Hifi finds it competitive with substantially more expensive rivals.
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Authorized dealers for Unison Research Unico 150
- Absoulute Audio plus Video — in-store — Aiken, South Carolina, United States (website)
- Holt Hill — online and in-store — Andover, Massachusetts, United States (website)
- The Music Room — online and in-store — Erie, Colorado, United States (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
- Analog Matters — online and in-store — Ormond Beach, Florida, United States (website)
- Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
- Assai Audio — in-store — Centro, Comunidad de Madrid, Spain (website)
- Atelier 13 Audio — in-store — Forest Hills, Tennessee, United States (website)
- Audio Centrum — Hungary (website)
and 72 more verified dealers