Audio Space Reference-Two: Elevating Sound to New Heights


In the world of audio enthusiasts, the pursuit of high-quality sound amplification is a never-ending journey. The right amplifier can bring music to life, elevating the listening experience to new heights. Today, we delve into the realm of hifi sound amplifiers and explore the Audio Space Reference-Two amplifier.

The Audio Space Reference-Two is a powerful and versatile amplifier that promises to deliver exceptional sound quality. Designed with meticulous attention to detail, this amplifier aims to satisfy even the most discerning audiophiles. With its impressive technical specifications and thoughtful design, it holds the potential to transform your audio setup into a captivating sonic experience.

High-quality sound amplification is essential for various applications, whether it’s enjoying music in the comfort of your home or setting up a professional audio system. The right amplifier can enhance every nuance of the music, allowing you to truly immerse yourself in the soundstage created by your favorite artists.

Now, let’s dive into the technical specifications and explore what sets the Audio Space Reference-Two apart from its competitors.

Technical Specifications

The Audio Space Reference-Two amplifier is a powerful and versatile tube amplifier that offers exceptional sound quality and performance. With its impressive technical specifications, this amplifier is sure to satisfy even the most discerning audiophiles.

Featuring a class A design, the Audio Space Reference-Two delivers clean and accurate sound reproduction. Its power output allows for dynamic and impactful audio playback, ensuring a captivating listening experience.

When it comes to sound quality, the Reference-Two excels with its high signal-to-noise ratio (SNR) of 92dB. This means that the amplifier produces minimal background noise, allowing for clear and detailed audio playback. Additionally, the total harmonic distortion (THD) of just 0.2% ensures that the sound remains faithful to the original recording, without any noticeable distortion or coloration.

The Reference-Two offers a variety of inputs and outputs to accommodate different audio sources and setups. It features both unbalanced and balanced audio inputs and outputs, providing flexibility in connecting various devices such as CD players, turntables, or media streamers. Whether you prefer analog or digital sources, this amplifier has got you covered.

In terms of compatibility, the Reference-Two supports a wide range of audio formats, allowing you to enjoy your favorite music in high fidelity. From vinyl records played through its built-in MM-MC phono stage to digital files streamed through external DACs, this amplifier can handle it all.

With regards to frequency response, the Reference-Two covers an impressive range from 10Hz to 120kHz. This wide frequency response ensures that no details are lost in the sound reproduction process, resulting in a more immersive and lifelike listening experience. Additionally, its impedance rating ensures seamless integration with a variety of speakers.

Overall, the Technical Specifications of the Audio Space Reference-Two amplifier demonstrate its commitment to delivering exceptional sound quality and versatility. From its class A design to its wide frequency response and compatibility with various audio formats, this amplifier is a true powerhouse that will elevate your audio experience to new heights.

Design and Construction

The Audio Space Reference-Two amplifier boasts an elegant and sleek design that will surely catch the eye of any audiophile. Its silver color adds a touch of sophistication to any audio setup. The amplifier is expertly crafted with attention to detail, ensuring a high-quality construction that is built to last.

One notable design feature of the Reference-Two amplifier is its efficient cooling system. The amplifier incorporates strategically placed ventilation slots and heat sinks, allowing for optimal heat dissipation during extended listening sessions. This ensures that the amplifier remains cool even during demanding audio playback, preventing overheating and potential damage to the internal components.

Furthermore, the Reference-Two amplifier is engineered to minimize interference and maximize audio quality. It features a robust shielding design that effectively isolates sensitive internal circuitry from external electromagnetic interference, resulting in clean and distortion-free audio reproduction.

In terms of connectors and switches, the Reference-Two amplifier does not disappoint. It is equipped with high-quality connectors that ensure secure and reliable connections with audio sources and speakers. The switches are well-built and provide a satisfying tactile feedback when operated, reflecting the overall attention to detail in the amplifier’s construction.

Overall, the design and construction of the Audio Space Reference-Two amplifier exude a sense of premium craftsmanship. From its sleek exterior to its efficient cooling system and high-quality connectors, every aspect has been carefully considered to deliver an exceptional audio experience.


The Audio Space Reference-Two amplifier offers a wide range of functionality, making it a versatile choice for audiophiles. With its various connectivity options, this amplifier allows for seamless integration with different audio sources such as CD players, computers, smartphones, and more. Whether you prefer to enjoy your music through traditional mediums or modern digital devices, the Reference-Two has you covered.

One notable feature of this amplifier is the availability of both unbalanced and balanced audio inputs and outputs. This ensures compatibility with a wide range of audio equipment, allowing you to connect your preferred sources without any hassle. The inclusion of balanced inputs and outputs also helps in reducing potential interference and noise, resulting in cleaner and more accurate sound reproduction.

In addition to its connectivity options, the Reference-Two provides users with control over their audio experience. It includes balance controls that allow for precise adjustment between the left and right channels, ensuring an optimal stereo image. Furthermore, tone adjustments are available to fine-tune the sound according to personal preferences. This level of control enables users to tailor the audio output to their liking and create a truly immersive listening experience.

The amplifier also offers various operating modes to cater to different needs. Whether you want to enjoy a pure and unadulterated sound or add some warmth and richness to your music, the Reference-Two allows you to switch between different modes effortlessly. This flexibility ensures that you can adapt the amplifier’s performance based on your preferences and the type of music you are listening to.

Overall, the functionality of the Audio Space Reference-Two amplifier is impressive. Its extensive connectivity options, balance controls, tone adjustments, and operating modes provide users with a high level of customization and convenience. Whether you are a casual listener or an avid audiophile, this amplifier offers a range of features that enhance your overall listening experience.

Sound Characteristics

The Audio Space Reference-Two amplifier offers exceptional sound characteristics that truly elevate the listening experience. With its impressive performance, this amplifier delivers a rich and immersive soundstage that captivates the listener.

One of the standout features of the Reference-Two is its remarkable instrument separation. The amplifier effortlessly distinguishes between different instruments, allowing each one to shine with clarity and precision. Whether it’s the delicate plucking of a guitar string or the intricate notes of a piano, every detail is rendered with remarkable accuracy.

The bass response of the Reference-Two is nothing short of impressive. It delivers deep, tight, and well-defined bass that adds depth and impact to the music. Whether you’re listening to a bass-heavy track or a classical piece, the amplifier ensures that the low-end frequencies are reproduced with precision and authority.

When it comes to treble clarity, the Reference-Two excels in bringing out the finest details in high-frequency sounds. The amplifier presents crisp and clear highs without any harshness or distortion, allowing for an enjoyable listening experience across various genres.

In terms of overall sound presentation, the Reference-Two creates a natural and balanced sound signature. It strikes a perfect balance between warmth and accuracy, ensuring that every genre of music is reproduced faithfully. Whether you’re listening to jazz, rock, classical, or electronic music, this amplifier enhances the nuances and dynamics of each genre, providing an engaging and immersive sonic experience.

Regardless of the music genre you prefer, the Audio Space Reference-Two amplifier elevates your listening experience to new heights. From the intricate details in classical compositions to the powerful energy in rock tracks, this amplifier brings out the best in every genre by faithfully reproducing the original recording with stunning precision and depth.

In conclusion, the Audio Space Reference-Two amplifier offers exceptional sound characteristics that enhance every aspect of your music listening experience. With its impressive instrument separation, deep bass response, clear treble clarity, and overall balanced sound presentation, this amplifier delivers a captivating and immersive sonic performance across various genres. Whether you’re a music enthusiast or an audiophile, the Reference-Two is sure to impress with its ability to bring your favorite tracks to life.

Sound Performance

The Audio Space Reference-Two amplifier delivers an exceptional sound performance that is sure to captivate any audiophile. Its ability to faithfully reproduce audio signals is truly remarkable, providing a listening experience that is both immersive and engaging.

One of the standout qualities of the Reference-Two is its clarity. The amplifier ensures that every detail in the music is brought to life with precision and accuracy. From the delicate nuances of a piano melody to the intricate layers of a complex orchestral arrangement, the Reference-Two allows you to hear every subtle nuance and texture in the music.

Furthermore, the dynamics of this amplifier are truly impressive. It effortlessly handles both soft and loud passages, allowing for a wide dynamic range that adds depth and excitement to your listening experience. Whether it’s the soft whisper of a vocalist or the thunderous crash of cymbals, the Reference-Two amplifies each element with finesse and power.

Additionally, the tonal balance of this amplifier is exceptional across different frequency ranges. The lows are rich and impactful, providing a solid foundation to the music without overpowering other frequencies. The mids are warm and detailed, allowing vocals and instruments to shine through with clarity and presence. The highs are crisp and well-extended, adding sparkle and airiness to the overall sound.

Overall, the sound performance of the Audio Space Reference-Two amplifier is nothing short of outstanding. It brings out the best in your music collection, offering a level of fidelity and realism that will leave you mesmerized. Whether you’re listening to classical symphonies or rocking out to your favorite band, this amplifier ensures an immersive auditory experience that will keep you coming back for more.


The Audio Space Reference-Two amplifier offers several notable advantages that set it apart from its competitors in the market.

Firstly, the inclusion of a built-in MM and MC phono stage makes it a versatile choice for vinyl enthusiasts. The use of triode tubes, specifically the 6922 and 12AX7, in the phono stage ensures a warm and detailed reproduction of analog sound, enhancing the overall listening experience.

Additionally, the Reference-Two features both unbalanced and balanced audio inputs and outputs, providing flexibility in connecting various audio sources and equipment. This versatility allows users to integrate the amplifier seamlessly into their existing audio systems.

Furthermore, the output stages of the Reference-Two are constructed using direct-heated triode tubes, specifically the 300B. These tubes are known for their rich harmonic content and smooth sound reproduction, resulting in a highly enjoyable listening experience with excellent clarity and depth.

In terms of value for money, the Reference-Two stands out among other amplifiers in its price range. Its combination of high-quality components, meticulous craftsmanship, and exceptional audio performance make it a worthwhile investment for audiophiles seeking top-notch sound reproduction.

When compared to other models in its class, the Audio Space Reference-Two amplifier excels in terms of build quality and sonic performance. Its attention to detail in design and construction ensures durability and reliability. Additionally, its ability to accurately reproduce music with low distortion levels and wide frequency response sets it apart from competitors.

Overall, the Audio Space Reference-Two amplifier offers a range of advantages that make it an appealing choice for discerning audiophiles. Its versatility, exceptional sound quality, and value for money position it as a standout option in its price range. Whether you’re a vinyl enthusiast or simply seeking an amplifier that delivers immersive audio performance, the Reference-Two is certainly worth considering.

Value for Money

The Audio Space Reference-Two amplifier offers exceptional value for money, combining high-performance audio capabilities with a range of impressive features at a competitive price point.

When considering the amplifier’s performance, it delivers outstanding sound quality with its tube-based design and carefully selected components. The use of triode tubes such as the 6922 and 12AX7 in the built-in MM and MC phono stages ensures accurate and detailed reproduction of vinyl records, while the direct-heated triode 300B tubes in the output stages provide warm, rich, and dynamic sound across the entire frequency range.

In terms of features, the Reference-Two offers both unbalanced and balanced audio inputs and outputs, providing flexibility for connecting various audio sources and equipment. The inclusion of a remote control adds convenience to the user experience, allowing easy adjustment of settings from a distance.

Considering its price point, the Reference-Two amplifier offers remarkable value. It competes favorably with other amplifiers in its class that may have similar features but often come with a higher price tag. The attention to detail in its construction, the use of high-quality components, and the overall performance make it a compelling choice for audiophiles seeking a high-end amplifier without breaking the bank.

With its combination of excellent sound quality, versatile features, and attractive pricing, the Audio Space Reference-Two amplifier proves to be an outstanding value for money proposition in the highly competitive market of tube amplifiers. It provides an opportunity for music enthusiasts to experience top-notch audio performance without compromising on their budget. Whether you are a seasoned audiophile or a newcomer to high-fidelity audio, the Reference-Two offers an enticing balance between performance and affordability.


In conclusion, the Audio Space Reference-Two amplifier is a highly impressive and capable piece of audio equipment. With its exceptional design, solid construction, and outstanding functionality, it offers a truly immersive listening experience.

The technical specifications of the amplifier showcase its high-quality components and attention to detail. The use of triode tubes such as the 6922, 12AX7, and 300B ensures a warm and rich sound reproduction. The amplifier also features both MM and MC phono stages, providing versatility for vinyl enthusiasts.

The design and construction of the Reference-Two amplifier are top-notch. The sleek silver color adds a touch of elegance to any audio setup. The remote control included with the amplifier allows for convenient and effortless operation.

Functionality-wise, the Reference-Two offers a range of audio inputs and outputs, including both balanced and unbalanced options. This allows for easy integration with various audio sources and devices. However, it lacks features such as Wi-Fi or Bluetooth connectivity.

When it comes to sound characteristics, the Reference-Two excels in delivering an incredibly detailed and dynamic performance. The low frequency response extends down to 10Hz, while the high frequency response reaches an impressive 120kHz. With a signal-to-noise ratio of 92dB and a low distortion rate of 0.2%, the amplifier ensures clean and accurate sound reproduction.

In terms of sound performance, the Reference-Two truly shines. It provides a wide soundstage with excellent instrument separation and imaging. The midrange is smooth and natural, while the highs are crisp without being harsh. The bass is tight and controlled, adding depth to the overall listening experience.

One of the major advantages of the Reference-Two amplifier is its compatibility with monoblock power amplifiers like the Reference-One. This allows for a seamless integration within a high-end audio system.

Considering its exceptional performance and build quality, the Audio Space Reference-Two amplifier offers great value for money. While it may be on the higher end of the price spectrum, it delivers a premium audio experience that is worth the investment for audiophiles and music enthusiasts.

In conclusion, the Audio Space Reference-Two amplifier is a standout product in its class. With its impressive sound characteristics, solid construction, and versatile functionality, it is a top choice for those seeking an immersive and high-fidelity listening experience. Potential buyers looking for a premium amplifier that excels in both design and performance should definitely consider the Reference-Two as a worthy addition to their audio setup.

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