Unison Research UNICO 50: A Sonic Marvel for Audiophiles


In the world of audio enthusiasts, high-quality sound amplification is a crucial component for achieving an immersive and captivating listening experience. Whether it’s enjoying your favorite music, watching movies, or even gaming, having a reliable and powerful amplifier can make all the difference. Today, we will be delving into the world of hifi sound amplifiers with a focus on the Unison Research UNICO 50. This amplifier is designed to deliver exceptional audio performance and is packed with features that enhance the overall listening experience. Join us as we explore the technical specifications, design, functionality, sound characteristics, and performance of this impressive piece of audio equipment. Get ready to elevate your audio experience to new heights with the Unison Research UNICO 50 amplifier.

Technical Specifications

The Unison Research UNICO 50 amplifier offers impressive technical specifications that contribute to its exceptional audio performance. With a power output of 120 watts per channel at 8 ohms and 200 watts per channel at 4 ohms, this stereo amplifier delivers robust and dynamic sound.

Operating in Class AB, the UNICO 50 strikes a balance between efficiency and sound quality, ensuring accurate and detailed reproduction of your favorite music. The amplifier boasts an impressive signal-to-noise ratio of 102 dB, which guarantees minimal background noise and a clean audio signal.

When it comes to distortion, the UNICO 50 excels with low total harmonic distortion (THD), ensuring faithful reproduction of the original recording without any unwanted artifacts or coloration.

In terms of connectivity, the UNICO 50 offers a range of inputs and outputs to accommodate various audio sources. It features four RCA inputs for connecting your favorite audio devices such as CD players or turntables with its built-in phono preamp. Additionally, there is one balanced input for enhanced audio quality.

The amplifier also provides two RCA line outputs, allowing you to connect additional amplifiers or powered speakers for a multi-room setup. However, it does not include a built-in USB player or DAC (digital-to-analog converter).

With a frequency response range of 10 Hz to 100 kHz, the UNICO 50 ensures accurate reproduction of both low and high-frequency sounds. Its impedance rating of 8 ohms makes it compatible with a wide range of speakers, providing flexibility in speaker selection.

Overall, the technical specifications of the Unison Research UNICO 50 demonstrate its capability to deliver powerful and precise audio performance. Whether you’re a discerning audiophile or a casual music lover, this amplifier provides the necessary features and specifications to enhance your listening experience.

Design and Construction

The Unison Research UNICO 50 amplifier boasts a sleek and elegant design that is consistent with the rest of the Unico series. Its black color adds a touch of sophistication to any audio setup. The amplifier measures 129mm in height, 434mm in width, and 431mm in depth, making it compact and easy to fit into any space.

When it comes to construction, the UNICO 50 is built with high-quality components that ensure durability and longevity. The use of premium materials is evident in its solid build and substantial weight, which is comparable to the more powerful Unico 100 model. This speaks volumes about the amplifier’s robustness and overall build quality.

One notable design feature of the UNICO 50 is its efficient cooling system. The amplifier incorporates well-placed ventilation slots and heat sinks to dissipate heat effectively, allowing for prolonged use without overheating. This not only ensures optimal performance but also enhances the longevity of the internal components.

In terms of reducing interference, the UNICO 50 employs careful shielding techniques to minimize external electromagnetic disturbances. This results in cleaner audio signals, allowing for a more immersive listening experience.

The connectors and switches on the UNICO 50 are of exceptional quality. The RCA connectors provide a secure and reliable connection for your audio sources, ensuring minimal signal loss. Additionally, the ALPS switches used for input selection and volume control are known for their precision and longevity.

Overall, the design and construction of the Unison Research UNICO 50 amplifier showcase both style and substance. Its sleek appearance, premium materials, efficient cooling system, and high-quality connectors make it a standout choice for audiophiles seeking both aesthetic appeal and reliable performance.


The Unison Research UNICO 50 amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. With its multiple connectivity options, this amplifier allows you to connect various audio sources such as CD players, computers, smartphones, and more. Whether you prefer the classic sound of vinyl or the convenience of digital music, the UNICO 50 has got you covered.

Equipped with four RCA inputs and one balanced input, this amplifier provides flexibility in connecting your preferred audio devices. The availability of balance controls allows you to fine-tune the sound according to your preferences, ensuring a well-balanced audio experience. Additionally, the UNICO 50 features tone adjustments that enable you to customize the sound output to suit different genres and personal preferences.

One notable feature is the presence of a phono preamp, allowing you to connect a turntable directly to the amplifier without the need for an external phono stage. This is a great advantage for vinyl enthusiasts as it simplifies the setup process and ensures optimal performance.

Furthermore, the UNICO 50 offers stereo preamp outputs that allow you to connect external power amplifiers or active speakers for added versatility in your audio setup. This feature enables you to expand your system or integrate with other audio components seamlessly.

Overall, the functionality of the Unison Research UNICO 50 amplifier is impressive, providing a wide range of connectivity options and control features. It caters to different audio sources and allows for customization according to individual preferences, making it a highly versatile and user-friendly amplifier.

Sound Characteristics

The Unison Research UNICO 50 amplifier delivers an exceptional sound quality that is sure to captivate any audiophile. The attention to detail and precision in its design and construction translate into an impressive audio performance.

One of the standout features of the UNICO 50 is its ability to reproduce sound with incredible clarity and detail. Every instrument and vocal is presented with stunning accuracy, allowing you to hear subtle nuances that may have been previously unnoticed. The instrument separation is outstanding, creating a wide and immersive soundstage that truly brings your music to life.

The bass response of the UNICO 50 is powerful and controlled, providing a solid foundation for any genre of music. Whether you’re listening to electronic dance beats or intricate basslines in jazz, the amplifier delivers deep, tight, and punchy bass that adds depth and impact to your listening experience.

On the other end of the spectrum, the treble clarity of the UNICO 50 is remarkable. High-frequency details are rendered with precision and finesse, without any harshness or sibilance. The amplifier strikes a perfect balance between smoothness and clarity, ensuring that every cymbal crash or high note is reproduced with utmost accuracy.

The overall sound presentation of the UNICO 50 can be described as engaging and dynamic. It effortlessly showcases the energy and emotion of your favorite tracks, allowing you to fully immerse yourself in the music. Whether you’re listening to rock, classical, or acoustic genres, this amplifier adapts beautifully to each style, enhancing every musical element.

In conclusion, the Unison Research UNICO 50 amplifier excels in its ability to deliver a breathtaking sound quality. With its exceptional detail retrieval, impressive instrument separation, powerful bass response, clear treble presentation, and captivating sound presentation across different genres, this amplifier is a true audio powerhouse that will elevate your listening experience to new heights.

Sound Performance

The Unison Research UNICO 50 amplifier delivers an exceptional sound performance that is sure to captivate any audiophile. With its ability to faithfully reproduce audio signals, this amplifier ensures a truly immersive auditory experience.

One of the standout qualities of the UNICO 50 is its remarkable clarity. Every note and nuance is rendered with precision, allowing for a level of detail that brings music to life. Whether it’s the delicate plucking of strings or the subtle breath of a vocalist, this amplifier ensures that no detail goes unnoticed.

Furthermore, the dynamics of the UNICO 50 are truly impressive. It effortlessly handles both soft and loud passages, providing a wide dynamic range that adds depth and excitement to the music. The amplifier’s ability to accurately convey the full range of dynamics ensures that each instrument and voice maintains its intended impact, creating a truly engaging listening experience.

In terms of tonal balance, the UNICO 50 strikes a perfect equilibrium across different frequency ranges. The lows are rich and impactful, without overpowering the rest of the sound spectrum. The mids are warm and expressive, allowing for the natural timbre of instruments and vocals to shine through. And the highs are crisp and detailed, providing a level of sparkle and clarity that adds dimension to the overall sound.

Whether you’re listening to classical symphonies, rock anthems, or jazz melodies, the UNICO 50 handles each genre with finesse. It effortlessly adapts to different musical styles, ensuring an authentic and enjoyable listening experience regardless of your preferences.

Overall, the sound performance of the Unison Research UNICO 50 amplifier is nothing short of exceptional. Its clarity, dynamics, and tonal balance combine to create an auditory experience that is both immersive and captivating. This amplifier is a testament to Unison Research’s commitment to delivering audio excellence, making it an excellent choice for discerning music enthusiasts.


The Unison Research UNICO 50 amplifier offers several notable advantages that set it apart from its competitors in the market.

First and foremost, the use of high-quality components, such as ALPS switches for input selection and volume control, ensures a superior level of performance and reliability. This attention to detail in selecting components contributes to the overall sound quality produced by the amplifier.

Additionally, the UNICO 50 boasts a solid and robust construction, evident from its weight, which is comparable to more powerful and expensive models like the Unico 100. This sturdy build not only enhances durability but also helps in minimizing vibrations and interference, resulting in cleaner and more accurate audio reproduction.

Furthermore, the presence of a built-in phono stage is a significant advantage for vinyl enthusiasts. This feature allows for direct connection to turntables without the need for an external phono preamp, making it convenient for those who enjoy listening to their vinyl collection.

In terms of comparison with other models in the same price range, the UNICO 50 stands out due to its impressive power output. With 200 watts per channel at 4 Ohms and 120 watts per channel at 8 Ohms, this amplifier delivers ample power to drive even demanding speakers with ease. This makes it a compelling option for those seeking a high-performance amplifier within this price bracket.

Overall, the Unison Research UNICO 50 amplifier offers a combination of exceptional build quality, premium components, and powerful performance that sets it apart from its competitors. Whether you are an audiophile looking for accurate sound reproduction or a vinyl enthusiast seeking convenience, this amplifier delivers on all fronts, making it an excellent choice in its price range.

Value for Money

The Unison Research UNICO 50 amplifier offers exceptional value for money, combining high-performance capabilities with a reasonable price point. With its powerful output of 200 watts per channel at 4 ohms and 120 watts per channel at 8 ohms, this amplifier delivers impressive sound quality and ample power for even demanding audio setups.

In terms of features, the UNICO 50 comes equipped with a phono stage, allowing vinyl enthusiasts to enjoy their record collection with ease. Additionally, it offers four RCA inputs and one balanced input, providing flexibility for connecting various audio sources. The inclusion of ALPS switches for the input selector and volume control further enhances the overall quality and durability of this amplifier.

Considering its technical specifications and robust construction, the UNICO 50 presents an excellent value proposition. It offers comparable performance to more expensive amplifiers in the market, making it an attractive choice for audiophiles who seek top-notch sound reproduction without breaking the bank.

Furthermore, the one-year warranty offered by Unison Research provides assurance and peace of mind to customers, ensuring that any potential issues will be addressed promptly.

Overall, the Unison Research UNICO 50 amplifier offers exceptional value for money. Its combination of powerful performance, versatile features, and reasonable pricing make it a compelling choice for audio enthusiasts looking to elevate their listening experience without compromising their budget.


In conclusion, the Unison Research UNICO 50 amplifier is a standout performer in its class. With its sleek design, solid construction, and impressive functionality, this amplifier offers a truly immersive audio experience.

The technical specifications of the UNICO 50 are impressive, with a wide frequency range and a high signal-to-noise ratio. The inclusion of a phono stage adds versatility for vinyl enthusiasts, while the multiple RCA inputs and balanced input provide flexibility for connecting various audio sources.

When it comes to sound characteristics, the UNICO 50 delivers exceptional clarity and detail across all frequencies. The amplifier showcases excellent control and dynamics, allowing for a wide soundstage and accurate imaging. Whether you’re listening to classical music or rocking out to your favorite tracks, the UNICO 50 brings your audio to life with its powerful yet refined performance.

One of the standout advantages of the UNICO 50 is its value for money. While it may not have all the bells and whistles of higher-end amplifiers, it more than makes up for it with its exceptional sound quality and build quality. The use of high-quality components ensures longevity and reliability, making it a worthwhile investment for audiophiles looking for an amplifier that will stand the test of time.

For potential buyers, it’s important to consider your specific needs and preferences. If you prioritize versatility and connectivity options, the UNICO 50 may not be the best choice as it lacks features like built-in USB player or Wi-Fi capabilities. However, if you value pure audio performance above all else, this amplifier is hard to beat in its price range.

In conclusion, the Unison Research UNICO 50 amplifier is a solid choice for audiophiles seeking an integrated amplifier that delivers exceptional sound quality without breaking the bank. Its impressive design, construction, functionality, and sound characteristics make it a worthy contender in its class. Whether you’re an avid music listener or a discerning audio enthusiast, the UNICO 50 is sure to satisfy your craving for high-fidelity sound.

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