Unison Research Unico Due Integrated Amplifier
Best hybrid amplifier for vinyl enthusiasts seeking warm, high-fidelity stereo sound.
Experience high-fidelity audio with the Unison Research Unico Due Integrated Amplifier. This used unit offers a hybrid design, blending tube warmth with solid-state power for exceptional sound quality. It's perfect for vinyl lovers, featuring built-in phono inputs compatible with both MM and MC cartridges. Fully operational and ready to elevate your home audio system, this amplifier is a testament to Unison Research's commitment to quality sound reproduction. It's an ideal choice for discerning listeners seeking a premium stereo experience.
$3999.00
Owner Satisfaction
4.7
/ 5
Category Rank
418
/ 1685
#418 in Power Amplifiers
Price vs Category Average
-52%
Below average
Brand
Unison Research
/ Unison Research
Who it's for
- Audiophiles seeking the perfect blend of warmth and power
- Design-conscious listeners wanting a beautiful, high-end centerpiece
- Future-focused owners wanting a flexible, long-term audio investment
Who should skip it
- Budget-minded shoppers looking for entry-level audio solutions
- Listeners wanting a low-maintenance, set-and-forget amplifier
- Users with limited space or restricted ventilation options
Performance breakdown
Sonic Character
Hybrid architecture delivers lush tube warmth with solid-state authority.
Phono Versatility
Integrated stage handles both MM and MC cartridges with impressive clarity.
Build Integrity
Robust construction reflects the brand's commitment to long-term audio reliability.
Dynamic Range
Effortlessly manages complex musical passages with refined power and precision.
Connectivity Options
Standard RCA inputs provide essential flexibility for most analog sources.
Ease of Integration
Straightforward interface makes it a seamless centerpiece for stereo setups.
Key Specs
Brand
Unison Research
Model
Unico Due
Type
Integrated Amplifier
Condition
Used
Amplifier Class
Tube
Number of Channels
2
Input Connector Types
RCA
Output Connector Types
Binding Post, Banana Plug
Features
- Hybrid tube and solid-state design
- Supports MM and MC phono cartridges
- Designed for stereo audio
- High-fidelity sound reproduction
- Fully operational used condition
What customers say
The Unison Research Unico Due integrated amplifier earns high praise for its exceptional musicality and robust build quality. Owners consistently celebrate the signature hybrid design, which masterfully blends the warmth of tube inputs with the authoritative control of solid-state outputs. This combination delivers an expansive, three-dimensional soundstage and detailed, non-fatiguing treble. Bass performance is articulate and deep, allowing the unit to drive difficult speakers easily. Furthermore, the amplifier's substantial weight, solid construction, and elegant Italian design reinforce its premium status. While the investment is significant, the consensus is that the superior sonic performance and craftsmanship provide outstanding long-term value for serious audiophiles.
Know before you buy
The hybrid design combines a tube-based input stage with a solid-state output stage. This gives you the rich, harmonic warmth and musicality associated with tubes, paired with the power, control, and efficiency of solid-state amplification.
Yes, the Unico Due features a built-in phono stage. It is compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges, so you can plug your turntable directly into the RCA inputs without needing an external preamp.
The amplifier is equipped with high-quality binding posts that accept both bare wire and banana plugs. This ensures a secure connection for most standard audiophile-grade speaker cables.
This unit has been verified as fully operational and ready for use. While it is pre-owned, it has been tested to ensure it meets the performance standards expected of Unison Research equipment.
No, the Unico Due is a dedicated two-channel stereo amplifier. It is specifically engineered to provide the best possible performance for stereo music listening rather than surround sound applications.
Still have a question?
Ask Hayley anything about this product before you decide.