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Design and Aesthetics
Step into the world of Unison Research’s Unico Due, and you’re greeted with a masterpiece of design and aesthetics. The sleek, white aluminum panel, meticulously crafted with a subtle arc pattern, exudes a sense of elegance and simplicity. The edges are smoothly rounded, ensuring a comfortable grip and a seamless look. The control panel is straightforward, featuring an LED digital screen displaying the current volume and a row of buttons indicating the input source. Two knobs, one for source switching and the other for volume control, add a touch of sophistication to the overall design. The black aluminum case is robust and the power switch is conveniently located on the right side of the front panel. Flip the unit over, and you’ll notice the three footpads, strategically placed to ensure a perfect level stance. The right-heavy, left-light configuration of the footpads is a testament to the attention to detail that Unison Research puts into their products.
Performance and Specifications
Under the hood, the Unico Due is a powerhouse of performance. It boasts a 100-watt output per channel into 8-ohm loads and an impressive 180 watts into 4-ohm loads. The amplifier employs a hybrid design, combining the warmth and character of vacuum tubes with the power and efficiency of transistors. The preamplifier section utilizes two ECC83 (12AX7) vacuum tubes, while the output stage features push-pull BJT transistors. This combination ensures a rich, detailed sound with low distortion and excellent linearity. The amplifier’s power supply is robust, with an impressive 80,000uF of capacitance, providing ample power for even the most demanding speakers. The Unico Due also features a subwoofer output, allowing you to connect an active subwoofer to expand the soundstage and add depth to your listening experience.
Features and Connectivity
The Unico Due is a versatile amplifier, offering a variety of features and connectivity options. It comes with three analog (RCA) inputs, one tape RCA input, and a digital USB input, making it easy to connect a variety of sources, including turntables, CD players, and computers. The USB input also serves as a DAC, allowing you to play high-resolution audio files directly from your computer or other USB devices. The amplifier also features a phono stage, enabling you to connect a turntable and enjoy the warmth and richness of vinyl records. Additionally, the Unico Due offers a monitor output, allowing you to connect a recording device for high-quality audio capture.
Build Quality and Materials
Unison Research is known for its commitment to quality, and the Unico Due is no exception. The amplifier is constructed using high-quality materials, including aluminum, steel, and glass. The aluminum panel is thick and durable, providing a solid foundation for the internal components. The steel chassis is robust and protects the sensitive electronics from external vibrations. The glass front panel adds a touch of luxury and ensures that the amplifier looks as good as it sounds. The attention to detail is evident in every aspect of the Unico Due’s construction, from the precision-machined components to the carefully selected materials.
Sound Quality and Listening Experience
The Unico Due delivers an exceptional listening experience. The hybrid design allows the amplifier to produce a rich, detailed sound with a natural balance between warmth and clarity. The vacuum tubes add a touch of warmth and character to the sound, while the transistors ensure a clean and dynamic performance. The amplifier’s low distortion and excellent linearity result in a transparent and open soundstage, allowing you to immerse yourself in the music. The Unico Due’s power and control are evident when driving even the most demanding speakers, delivering a powerful and impactful listening experience. Whether you’re listening to classical music, jazz, or rock, the Unico Due will impress you with its ability to reproduce the nuances and emotions of the music.
Value and Recommendation
Considering its exceptional performance, build quality, and features, the Unison Research Unico Due offers incredible value for money. It’s a versatile amplifier that can cater to a wide range of audio enthusiasts, from those who appreciate the warmth and character of vacuum tubes to those who demand power and efficiency from their amplifiers. The Unico Due’s ability to deliver a high-quality listening experience, whether you’re using it with a turntable, CD player, or computer, makes it an excellent choice for anyone looking to upgrade their audio system. If you’re in the market for a new amplifier, the Unico Due is definitely worth considering.