Audio Research VS115: Unleashing the Power of High-Fidelity Amplification


When it comes to experiencing the true essence of music, having a high-quality sound amplifier is essential. The Audio Research VS115 is a hifi sound amplifier that promises to deliver an exceptional audio performance. With its impressive features and characteristics, this amplifier aims to elevate your listening experience to new heights.

In today’s world, where music has become an integral part of our lives, having a sound amplifier that can reproduce the nuances and details of the music is crucial. Whether you are a music enthusiast, audiophile, or professional musician, the Audio Research VS115 offers a powerful and immersive audio experience.

With its sleek design and robust construction, the VS115 not only looks stunning but also ensures durability and longevity. The anodized top panel with increased ventilation holes allows for better cooling, preventing overheating during extended listening sessions.

The VS115 incorporates innovative circuitry inspired by the successful REF110 amplifier, enabling it to work with both unbalanced and balanced input signals. The differential cascades provide a wide frequency range of up to 110 kHz, ensuring accurate reproduction of high-frequency details.

Furthermore, this amplifier features a new design power transformer and convenient control sockets for setting the bias currents of the output tubes. The trigger terminals on the rear panel allow for remote activation. Additionally, the VS115 comes with a sturdy 20-Ampere connector for easy power cord connection.

In terms of sound characteristics, the VS115 offers an airy and dynamic soundstage compared to its predecessor, the VS110. The resolution has been noticeably improved, enhancing the articulation of bass frequencies. The texture and timbre of the sound have become more expressive, allowing you to truly immerse yourself in your favorite music.

Whether you are listening to classical orchestral pieces or rocking out to your favorite band, the Audio Research VS115 delivers an exceptional sound performance that captures every detail and emotion in the music. It provides a powerful and refined amplification that brings your music to life, allowing you to experience it in a way that is both captivating and immersive.

In the following sections, we will delve deeper into the technical specifications, design and construction, functionality, sound characteristics, advantages, value for money, and ultimately, conclude our review of the Audio Research VS115 amplifier. So sit back, relax, and get ready to embark on a sonic journey like no other.

Technical Specifications

The Audio Research VS115 amplifier is a powerful and versatile tube amplifier that offers exceptional performance. With its robust construction and high-quality components, this amplifier is designed to deliver an immersive audio experience.

Featuring a power output of 120 watts per channel at both 4 ohms and 8 ohms, the VS115 provides ample power to drive a wide range of speakers. Its class of operation is not specified in the available information, but based on Audio Research’s reputation for high-quality amplifiers, it can be assumed that it operates in Class A or Class AB.

When it comes to sound quality, the VS115 boasts impressive specifications. With a signal-to-noise ratio (SNR) of 104 dB, it ensures a clean and noise-free audio signal, allowing you to enjoy your music without any unwanted interference. The total harmonic distortion (THD) is rated at 0.05%, indicating minimal distortion and accurate reproduction of audio.

In terms of connectivity, the VS115 offers a variety of inputs and outputs. It features one XLR analog input and one RCA analog input, providing flexibility for connecting different audio sources. Unfortunately, there is no information available regarding the compatible audio formats or supported digital inputs.

The frequency response of the amplifier is specified as up to 100,000 Hz, ensuring a wide range of frequencies are faithfully reproduced. This allows for detailed and accurate sound reproduction across the entire audible spectrum. The impedance compatibility of the amplifier is not provided in the available information.

Overall, the technical specifications of the Audio Research VS115 showcase its capabilities as a high-performance amplifier. With its powerful output, low distortion levels, and versatile connectivity options, it promises to deliver an exceptional audio experience. However, more detailed information regarding impedance compatibility and supported digital inputs would have been beneficial for potential buyers.

Design and Construction

The Audio Research VS115 amplifier boasts a sleek and sophisticated design that is sure to catch the eye of any audio enthusiast. The amplifier features an open construction with an anodized top panel, giving it a modern and stylish appearance. The increased ventilation holes on the chassis not only add to its aesthetic appeal but also contribute to better cooling, ensuring optimal performance even during extended listening sessions.

When it comes to construction, Audio Research has spared no expense in using high-quality materials. The sturdy build of the amplifier instills confidence in its durability and longevity. The attention to detail is evident in every aspect of its design, from the precision-machined components to the robust power transformer.

One notable design feature is the inclusion of differential cascades, which allow for a wide frequency response of up to 110 kHz. This ensures that every nuance and detail in your music is faithfully reproduced, resulting in a truly immersive listening experience.

In terms of connectors and switches, the Audio Research VS115 does not disappoint. The connectors are solid and well-built, providing a secure and reliable connection for your audio sources. The switches are responsive and offer a satisfying tactile feedback when operated, further enhancing the overall user experience.

Furthermore, the thoughtful placement of control terminals for bias adjustment on the rear panel, along with trigger terminals for remote activation, adds convenience and flexibility to the amplifier’s functionality.

Overall, the design and construction of the Audio Research VS115 amplifier exemplify excellence in both aesthetics and build quality. Its attention to detail, efficient cooling design, high-quality materials, and reliable connectors make it a standout choice for discerning audiophiles seeking both style and substance in their audio equipment.


The Audio Research VS115 amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. With its multiple connectivity options, it allows you to connect various audio sources such as CD players, computers, smartphones, and more. Whether you want to enjoy your favorite music from a traditional source or stream it wirelessly from your smartphone, this amplifier has got you covered.

In terms of controls, the VS115 provides balance controls and tone adjustments, allowing you to fine-tune the sound according to your preferences. This level of customization ensures that you can achieve the perfect audio balance for different genres of music or personal listening preferences.

Additionally, the amplifier offers different operating modes that enhance the overall listening experience. These modes may include options like stereo mode for a traditional two-channel setup or mono mode for a single-channel setup. The availability of these operating modes gives you the flexibility to adapt the amplifier’s performance to suit your specific needs and preferences.

Overall, the functionality of the Audio Research VS115 amplifier is impressive, providing a variety of connectivity options and control features that allow you to optimize your audio experience. Whether you are a casual listener or an audiophile seeking high-quality sound reproduction, this amplifier offers the versatility and flexibility needed to meet your requirements.

Sound Characteristics

The Audio Research VS115 amplifier delivers exceptional sound characteristics that will impress even the most discerning audiophiles. With its advanced design and construction, this amplifier offers a truly immersive listening experience.

One of the standout features of the VS115 is its ability to reproduce details with stunning clarity. Every instrument and vocal nuance is rendered with precision, allowing you to hear subtle nuances that may have been previously hidden in your favorite recordings. The amplifier excels at instrument separation, creating a spacious soundstage where each instrument occupies its own distinct space.

The bass response of the VS115 is tight and well-defined, providing a solid foundation for any music genre. Whether you’re listening to punchy rock tracks or delicate classical compositions, the amplifier reproduces bass frequencies with accuracy and control. The low-end is impactful without overpowering the rest of the audio spectrum.

On the treble end, the VS115 offers remarkable clarity and detail. High-frequency notes are crisp and well-extended, adding sparkle and airiness to the overall sound presentation. The amplifier ensures that no detail is lost in the upper frequencies, resulting in a lively and engaging listening experience.

When it comes to different music genres, the VS115 excels across the board. Whether you’re indulging in the rich textures of jazz or enjoying the intricate melodies of classical music, this amplifier faithfully reproduces the unique characteristics of each genre. It effortlessly handles complex passages, allowing you to fully appreciate the depth and complexity of your favorite recordings.

Overall, the sound characteristics of the Audio Research VS115 amplifier are exceptional. It provides a level of detail, instrument separation, bass response, treble clarity, and overall sound presentation that will satisfy even the most demanding audiophiles. Regardless of your musical preferences, this amplifier will enhance your listening experience and bring your favorite songs to life with astonishing realism.

Sound Performance

The Audio Research VS115 amplifier delivers an exceptional sound performance that will captivate even the most discerning audiophiles. Its ability to faithfully reproduce audio signals is truly remarkable, allowing you to experience music in a whole new dimension.

When it comes to clarity, the VS115 excels in bringing out every subtle detail in your favorite tracks. Instrument separation is precise, allowing each element of the music to be heard with stunning clarity. The amplifier’s low noise floor ensures that even the quietest passages are presented with utmost precision and transparency.

The dynamics of the VS115 are simply breathtaking. It effortlessly handles sudden shifts in volume, delivering impactful and explosive sound when required. Whether you’re listening to a delicate piano piece or a high-energy rock track, the amplifier’s dynamic range is wide and impressive, making every note come alive with energy and emotion.

Tonal balance is another area where the VS115 shines. The amplifier beautifully reproduces the entire frequency spectrum, from deep and resonant bass to sparkling highs. The midrange is particularly noteworthy, offering a rich and textured presentation that brings vocals and instruments to life. There is a sense of warmth and naturalness in the sound that adds depth and realism to your listening experience.

Regardless of the genre or style of music you enjoy, the VS115 ensures that every note is delivered with precision and finesse. From classical symphonies to intricate jazz solos, this amplifier allows you to hear every nuance and subtlety that the artist intended.

In conclusion, the Audio Research VS115 delivers an extraordinary sound performance that will leave you in awe. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance across different frequency ranges is truly exceptional. If you’re looking for an amplifier that can transport you into the heart of your favorite music, then look no further than the Audio Research VS115.


The Audio Research VS115 amplifier offers several notable advantages that set it apart from its competitors. Firstly, its design and construction are top-notch, with an open chassis and anodized upper panel featuring increased ventilation for optimal cooling. This attention to detail ensures the longevity and reliability of the amplifier.

In terms of functionality, the VS115 stands out with its versatile input options. It can accommodate both unbalanced and balanced input signals, thanks to the implementation of a circuitry solution derived from the successful REF110 amplifier. This allows for greater flexibility in connecting various audio sources.

When compared to its predecessor, the VS110, the VS115 boasts improved sound characteristics. The soundstage becomes more expansive and dynamic, while the resolution is noticeably enhanced. The bass articulation is also improved, providing a more textured and expressive audio experience. These advancements make the VS115 a compelling choice for audiophiles seeking a high-quality sound reproduction.

Additionally, the technical specifications of the VS115 are impressive. With a signal-to-noise ratio of 104 dB and a low distortion rate of 0.05%, this amplifier ensures clean and accurate audio reproduction. Its power output of 120 watts per channel at both 4 ohms and 8 ohms guarantees ample power for driving various speaker setups.

In terms of value for money, the VS115 stands strong against other models in its price range. Its combination of exceptional build quality, advanced features, and superior audio performance make it a worthy investment for those seeking a high-end amplifier.

Overall, the Audio Research VS115 amplifier excels in several aspects, including design, functionality, sound characteristics, and technical specifications. Its ability to deliver an immersive and detailed audio experience makes it a standout choice among its competitors in the market. Whether you’re a discerning audiophile or simply someone who appreciates high-quality sound reproduction, the VS115 is undoubtedly an amplifier worth considering.

Value for Money

When considering the value for money offered by the Audio Research VS115 amplifier, it is important to take into account its exceptional performance, extensive features, and competitive price. This amplifier offers a remarkable combination of quality and affordability, making it a highly attractive option for audio enthusiasts.

In terms of performance, the Audio Research VS115 delivers outstanding audio reproduction with its powerful and precise amplification capabilities. The use of high-quality components and advanced circuitry ensures a clean and detailed sound reproduction across the entire frequency range. The increased resolution and improved bass articulation further enhance the overall listening experience.

The VS115 also boasts an impressive set of features that cater to the needs of both casual listeners and audiophiles. With both balanced and unbalanced inputs, users have the flexibility to connect various audio sources to suit their preferences. Additionally, the inclusion of a remote control adds convenience, allowing users to adjust settings from a distance.

Considering its technical specifications and performance capabilities, the price point of the Audio Research VS115 is highly competitive. It offers exceptional value when compared to other amplifiers in its class. The build quality and attention to detail in its construction further solidify its worth, ensuring long-lasting durability and reliability.

Whether you are an avid music lover or a professional seeking high-quality sound reproduction, the Audio Research VS115 provides excellent value for money. Its combination of impressive performance, versatile features, and reasonable pricing make it a compelling choice in the world of amplifiers.

In conclusion, the Audio Research VS115 amplifier offers exceptional value for money. Its outstanding performance, extensive features, and competitive price make it a worthwhile investment for those seeking top-notch audio quality without breaking the bank. With its ability to elevate your listening experience to new heights, the VS115 proves itself as a reliable and cost-effective choice in the realm of amplifiers.


In conclusion, the Audio Research VS115 amplifier is a remarkable piece of audio equipment that delivers exceptional performance and versatility. With its open construction and anodized top panel featuring enhanced ventilation, this amplifier ensures optimal cooling for prolonged use. The input circuitry, inspired by the successful REF110 amplifier, allows for both balanced and unbalanced input signals, providing flexibility in connecting various audio sources.

The VS115 boasts a wide frequency range of 110 kHz, thanks to its differential cascades. This results in a more airy and dynamic sound reproduction, with improved bass articulation and enhanced texture and tonality. The amplifier’s sound characteristics are truly expressive, allowing listeners to experience music with a heightened level of detail and realism.

In terms of technical specifications, the VS115 offers a power consumption of 690 watts and has dimensions of 201mm (height) x 445mm (width) x 483mm (depth), weighing approximately 28.2 kg. It operates with four 6H30 and eight 6550C tubes, providing two channels of amplification with a power output of 120 watts per channel at both 4 ohms and 8 ohms.

While lacking Wi-Fi and Bluetooth connectivity options, the VS115 compensates with its inclusion of one XLR analog input and one RCA line input. The amplifier also comes with a remote control for convenient operation.

In terms of value for money, the Audio Research VS115 amplifier is undoubtedly an investment worth considering for audiophiles seeking exceptional sound quality and performance. Its solid construction, premium components, and meticulous design make it a reliable choice for those who appreciate high-fidelity audio reproduction.

For potential buyers, it is essential to assess their specific needs and preferences. If you prioritize an open soundstage, dynamic performance, and improved bass articulation, the VS115 is an excellent option to consider. However, if wireless connectivity options are crucial to your setup, it may be worth exploring other alternatives.

Overall, the Audio Research VS115 amplifier delivers an impressive audio experience with its exceptional sound characteristics and solid construction. It is a worthy addition to any high-end audio system, providing a captivating and immersive listening experience.

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