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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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Unison Research Unico 150
The Unison Research Unico 150 is a hybrid integrated amplifier that blends tube preamp warmth with a powerful solid‑state output, delivering 150W per channel and immediate musical engagement. Its sonic signature is sweet, smooth and organic, with excellent micro‑detail retrieval, wide, deep staging and satisfying timing. Dynamics and headroom are standout strengths — big swings remain controlled even at high levels — thanks to dual toroidal transformers and hefty MOSFET output stages. Build is thoughtful under the hood, with transformer‑balanced inputs, armoured controls and comprehensive connectivity, though the top plate and front LEDs feel restrained. Ideal for listeners who prioritise musical involvement over clinical neutrality, the Unico 150 offers a compelling value proposition at its price, inviting long, fatigue‑free listening sessions.
Pros
- Engaging, musical tonal balance with strong micro‑detail retrieval and an organic, listenable presentation.
- Excellent dynamics and headroom — handles large dynamic swings without hardening, remaining composed at high volumes.
- Robust power architecture and connectivity: dual toroidal transformers, high‑current MOSFET output stage and transformer‑coupled balanced inputs plus home‑cinema bypass and sub output.
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Cons
- Exterior finish and ergonomics feel understated — reviewer notes a thin top plate that can rattle and basic white front LEDs rather than a more refined finish.
- Leans toward a warm, slightly heavy‑handed presentation for some tastes, with less leading‑edge clarity and limited deep‑bass control on very bass‑heavy tracks.
Sound Quality
89/100
Dynamics
90/100
With 150W per channel into 8 ohms (Class AB with robust hexfet output stage), reviewers report excellent control and composure—'big and dynamic swings' are handled extremely well and it remains composed even at loud volumes. There is a mention of a volume ceiling in the review where clarity begins to reduce, but otherwise dynamics/headroom are praised and the amp is described as refusing to 'harden up' under drive.
Soundstage Imaging
88/100
The reviewer notes very good timing with solid width and depth to the soundstage and satisfactory imaging focus. Some criticisms about favoring warmth over leading-edge clarity imply a slight limitation to the ultimate sense of space or air, but staging and imaging are nonetheless strong and musically convincing.
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Build Quality
85/100
Internals are robust: dual large toroidal transformers (quoted ~400VA + 400VA) and hefty MOSFETs capable of high current indicate a strong power supply and reliable output stage. Externally the unit is well made and weighs 25 kg, but the reviewer notes some cosmetic/finish compromises (a thin top-plate that can rattle and a lack of lavish touches), which tempers the overall build praise.
Features Connectivity
86/100
Feature set is comprehensive for a performance-focused integrated: six line inputs (including two balanced with transformer coupling), home cinema bypass, sub output (volume controlled), tape out and bi-wiring capable speaker posts. No built-in DAC, phono stage or streaming/network features are mentioned, so it ranks as well-featured for analog-focused users but not a ‘fully loaded’ modern streamer-amp.
Value for Money
93/100
Reviewer explicitly calls the Unico 150 'fantastic value for money' at the stated price (£4,499) and says it 'exceeded my expectations' for an integrated in this bracket. Given the strong sonic performance, robust power supply and feature set, the reviewer presents this as a compelling offering for its price.
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