Triode TRV-84HD mkII: Unleashing Audiophile Delights


In the world of audio enthusiasts, finding the perfect sound amplifier is a quest that never ends. We all strive for that immersive and captivating listening experience that can transport us to another realm. Today, we delve into the world of Triode, a renowned Japanese company known for its exceptional craftsmanship and unwavering commitment to producing top-notch tube amplifiers. In this review, we will explore the Triode TRV-84HD mkII amplifier, a true gem in their collection.

Sound amplification plays a crucial role in any audio setup, whether it’s for home entertainment systems or professional recording studios. It is the heart that breathes life into our music, enhancing every note and nuance with precision and clarity. With the Triode TRV-84HD mkII, we embark on a journey to discover an amplifier that promises to deliver an unparalleled audio experience.

Join us as we delve into the technical specifications, design and construction, functionality, sound characteristics, sound performance, advantages, value for money, and ultimately arrive at a conclusion about this remarkable piece of audio engineering. Get ready to immerse yourself in the world of Triode TRV-84HD mkII and explore the possibilities it holds for elevating your listening experience to new heights.

Technical Specifications

The Triode TRV-84HD mkII amplifier boasts impressive technical specifications that contribute to its exceptional audio performance. With a power output of 40 watts, this amplifier delivers ample power for a wide range of audio setups. It operates in Class AB, combining the efficiency of Class B amplifiers with the low distortion characteristics of Class A amplifiers.

When it comes to sound quality, the Triode TRV-84HD mkII excels with a signal-to-noise ratio (SNR) of 92 dB, ensuring minimal background noise and clear sound reproduction. The total harmonic distortion (THD) is also kept to a minimum, resulting in accurate and detailed audio playback.

This amplifier offers versatile connectivity options with two RCA inputs, allowing you to connect various audio sources such as CD players, turntables, or media players. Additionally, it features a headphone output on the front panel for convenient and private listening sessions.

The Triode TRV-84HD mkII supports a wide frequency response range from 20 Hz to 45 kHz, ensuring faithful reproduction of both low and high-frequency sounds. It is compatible with various audio formats, making it suitable for music enthusiasts who appreciate different genres and recording qualities.

In terms of impedance, this amplifier provides an output suitable for headphones ranging from 20 to 600 ohms. This flexibility allows you to use a wide range of headphones without compromising on sound quality.

Overall, the technical specifications of the Triode TRV-84HD mkII demonstrate its capability to deliver powerful and high-fidelity audio performance. Whether you are enjoying your favorite music or immersing yourself in a movie soundtrack, this amplifier ensures an engaging and immersive listening experience.

Design and Construction

The Triode TRV-84HD mkII amplifier boasts an elegant and visually appealing design that is sure to catch the eye of any audio enthusiast. The amplifier’s sleek and compact form factor, with dimensions of 140mm in height, 160mm in width, and 350mm in depth, allows it to easily fit into any audio setup without taking up excessive space.

The use of high-quality materials in its construction further enhances the overall appeal of this amplifier. The sturdy chassis is constructed from durable materials, ensuring longevity and reliability. Additionally, the vibrant red color adds a touch of sophistication to the overall aesthetic.

One notable design feature of the TRV-84HD mkII is its efficient cooling system. The amplifier incorporates ventilation slots on the sides, allowing for proper airflow and heat dissipation during operation. This ensures that the internal components remain cool even during prolonged use, preventing overheating issues that can affect performance and longevity.

To minimize interference and maintain audio purity, the Triode TRV-84HD mkII utilizes high-quality connectors and switches. These components are carefully selected to ensure optimal signal transmission and minimal signal degradation. The connectors provide a secure and reliable connection, while the switches offer smooth operation without any audible clicking or popping sounds.

Overall, the design and construction of the Triode TRV-84HD mkII amplifier showcase a perfect blend of functionality and aesthetics. Its compact size, quality materials, efficient cooling system, and reliable connectors make it a well-designed amplifier that not only looks great but also performs exceptionally well.


The Triode TRV-84HD mkII amplifier offers a wide range of functionality, ensuring seamless integration with various audio sources. Whether you’re using a CD player, computer, smartphone, or any other device, this amplifier has you covered.

With two RCA inputs, you can easily connect multiple audio sources to the amplifier, allowing you to switch between them effortlessly. This versatility is ideal for those who enjoy listening to music from different devices or want to connect multiple sources simultaneously.

Although the Triode TRV-84HD mkII does not have balance controls or tone adjustments, it compensates with its focus on delivering pure and unadulterated sound. This minimalist approach ensures that the audio signal remains untouched and true to its original form.

Furthermore, the absence of an equalizer allows for a more natural and authentic listening experience, as it avoids any artificial enhancements that may alter the sound quality. This amplifier prioritizes maintaining the integrity of the audio signal, resulting in a purer and more accurate representation of the music being played.

Additionally, the Triode TRV-84HD mkII features a headphone output on the front panel, providing convenience for those who prefer private listening sessions. The amplifier’s headphone output delivers a powerful 2x500mW amplification for headphones with impedance ranging from 20 to 600 Ohms. This ensures that regardless of your preferred headphones, you will experience exceptional audio quality and optimal performance.

Overall, while the Triode TRV-84HD mkII may not offer extensive control options or tonal adjustments, its focus on delivering pristine sound quality and versatile connectivity options make it an excellent choice for audiophiles seeking a straightforward and reliable amplifier.

Sound Characteristics

The Triode TRV-84HD mkII amplifier delivers an exceptional sound quality that is sure to impress even the most discerning audiophiles. The sound characteristics of this amplifier are truly remarkable, offering a level of detail and clarity that brings your music to life.

One of the standout features of the TRV-84HD mkII is its ability to provide excellent instrument separation. Each instrument in the music is distinct and well-defined, allowing you to appreciate the intricate details of every note. This level of separation creates a truly immersive listening experience, where you can easily pick out individual instruments and follow their melodies with ease.

The bass response of this amplifier is nothing short of impressive. It offers a deep and powerful bass that adds richness and depth to your music. Whether you’re listening to electronic beats or orchestral compositions, the TRV-84HD mkII ensures that the low frequencies are reproduced accurately and with impact.

When it comes to treble clarity, this amplifier excels. The highs are crisp and clear, without any harshness or distortion. The delicate nuances in vocals and high-pitched instruments are beautifully rendered, allowing you to fully appreciate the intricacies of the music.

In terms of overall sound presentation, the TRV-84HD mkII creates a spacious and immersive soundstage. The music feels expansive, with a wide stereo image that gives each instrument its own space within the mix. This creates a sense of depth and realism that draws you into the performance.

The impact of the TRV-84HD mkII on different music genres is truly impressive. It handles all genres with finesse, whether it’s rock, jazz, classical, or electronic music. The amplifier brings out the best in each genre, highlighting their unique characteristics and delivering an engaging listening experience.

Overall, the sound characteristics of the Triode TRV-84HD mkII amplifier are exceptional. With its detailed instrument separation, powerful bass response, clear treble, and immersive soundstage, it elevates your music listening experience to new heights. Regardless of the genre, this amplifier ensures that you hear every detail and nuance with precision and clarity.

Sound Performance

The sound performance of the Triode TRV-84HD mkII amplifier is truly exceptional, offering an immersive auditory experience that will transport you into the heart of your favorite music. With its ability to faithfully reproduce audio signals, this amplifier showcases a level of clarity and precision that is truly remarkable.

One of the standout qualities of the TRV-84HD mkII is its impeccable tonal balance. Whether you’re listening to delicate acoustic melodies or powerful rock anthems, this amplifier ensures that each instrument and vocal is reproduced with stunning accuracy. The highs are crisp and detailed, allowing for the subtle nuances of cymbals and strings to shine through. The midrange is rich and full-bodied, capturing the warmth and emotion in every note. And the bass is deep and controlled, providing a solid foundation to the overall soundstage.

Furthermore, the dynamics of this amplifier are simply breathtaking. It effortlessly handles both quiet passages and explosive crescendos with finesse, ensuring that no detail gets lost in the mix. The transient response is lightning-fast, allowing for quick attacks and decays that add a sense of realism to your music.

The Triode TRV-84HD mkII also excels in its ability to handle different frequency ranges. From the lowest lows to the highest highs, this amplifier maintains its composure and delivers a smooth, balanced sound across the entire spectrum. Whether you’re listening to intricate classical compositions or bass-heavy electronic tracks, every frequency range is reproduced with precision and accuracy.

Overall, the sound performance of the Triode TRV-84HD mkII is nothing short of exceptional. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance sets it apart from other amplifiers in its class. If you’re looking for an amplifier that will elevate your listening experience to new heights, look no further than the TRV-84HD mkII.


The Triode TRV-84HD mkII amplifier offers several notable advantages that set it apart from its competitors in the market. Firstly, its superior design and construction make it a visually appealing and sturdy device. The attention to detail in its craftsmanship is evident, showcasing the exceptional quality of Japanese manufacturing.

In terms of functionality, the TRV-84HD mkII excels with its versatile features. It provides two channels of amplification, allowing for a dynamic and immersive audio experience. The presence of a headphone output on the front panel makes it convenient for personal listening sessions without the need for additional adapters or cables.

One of the standout advantages of this amplifier is its power output. With a maximum power of 40 watts, it delivers a robust and clear sound performance that can easily fill a room with rich audio. Additionally, the amplifier’s ability to drive headphones with 2x500mW power at impedance ranging from 20 to 600 Ohms ensures compatibility with a wide range of headphones.

Comparing the TRV-84HD mkII to other models in its price range, it stands out for its exceptional value for money. While some amplifiers may offer similar features, the TRV-84HD mkII surpasses them in terms of sound quality and build quality. Its use of high-quality components such as 6BQ5*2 and 12AU7*2 tubes further enhances its audio performance, providing a warm and detailed sound signature.

Furthermore, the TRV-84HD mkII offers a comprehensive warranty period of one year, ensuring peace of mind for customers. This warranty reflects the confidence that Triode has in the durability and reliability of their product.

In conclusion, the Triode TRV-84HD mkII amplifier boasts several advantages that position it as a top contender in its category. Its superior design, versatile functionality, powerful output, and excellent value for money make it an ideal choice for audiophiles and music enthusiasts looking for a high-quality amplifier.

Value for Money

When considering the value for money of the Triode TRV-84HD mkII amplifier, it is important to assess its performance, features, and price. In this regard, the TRV-84HD mkII offers a compelling proposition.

Firstly, in terms of performance, this amplifier truly stands out. With its high-quality Japanese craftsmanship and exceptional audio output, it delivers a rich and immersive listening experience. The TRV-84HD mkII boasts a power output of 40 watts and a wide frequency range of 20 Hz to 45,000 Hz, ensuring that every nuance of the music is faithfully reproduced. Additionally, its impressive signal-to-noise ratio of 92 dB ensures minimal distortion, resulting in pristine sound quality.

In regards to features, the TRV-84HD mkII offers a range of functionalities that enhance its versatility and convenience. It includes two headphone outputs on the front panel, allowing for individual or shared listening experiences. The amplifier also features two RCA line inputs, providing flexibility for connecting various audio sources. Furthermore, the TRV-84HD mkII incorporates high-quality vacuum tubes (6BQ5*2 and 12AU7*2), which contribute to its warm and distinctive sound signature.

Considering the price point of the TRV-84HD mkII, it offers excellent value for money. While it may be priced higher than some entry-level amplifiers on the market, the superior build quality, advanced features, and exceptional audio performance justify its cost. Investing in this amplifier ensures a long-lasting and rewarding audio experience that will delight even the most discerning audiophiles.

In conclusion, the Triode TRV-84HD mkII amplifier provides outstanding value for money. Its impressive performance capabilities, extensive features, and premium construction make it a worthwhile investment for those seeking a high-quality audio amplifier. Whether you are a music enthusiast or a professional seeking accurate sound reproduction, the TRV-84HD mkII delivers an immersive and satisfying listening experience that justifies its price.


In conclusion, the Triode TRV-84HD mkII amplifier is a remarkable piece of audio equipment that offers exceptional performance and craftsmanship. With its sleek design and superior sound quality, it has quickly gained recognition both within Japan and on the global market.

The technical specifications of the TRV-84HD mkII are impressive. With a power output of 40 watts and a frequency range of 20 Hz to 45,000 Hz, this amplifier delivers clear and detailed sound across the entire audio spectrum. The inclusion of 6BQ5*2 and 12AU7*2 tubes ensures a warm and rich sound signature that is highly sought after by audiophiles.

The design and construction of the TRV-84HD mkII are top-notch. The amplifier features a sturdy build with attention to detail, resulting in a visually appealing product. The red color adds a touch of elegance, making it a standout piece in any audio setup.

Functionality-wise, the TRV-84HD mkII offers versatility with its headphone amplification capability. With an output power of 2x500mW for headphones ranging from 20 to 600 Ohms, it provides ample power to drive even high-impedance headphones. Additionally, the presence of two RCA inputs allows for easy connectivity with various audio sources.

When it comes to sound characteristics, the TRV-84HD mkII excels in delivering a balanced and immersive listening experience. The amplifier exhibits excellent clarity, detail retrieval, and instrument separation. The soundstage is wide and spacious, creating an engaging and lifelike audio presentation.

In terms of performance, the TRV-84HD mkII truly shines. It effortlessly drives speakers with its 3-watt output per channel at 8 Ohms, producing clean and dynamic sound reproduction. Whether you’re listening to classical music or enjoying your favorite rock tracks, this amplifier brings out the best in every genre.

One of the major advantages of the TRV-84HD mkII is its value for money. While it may be priced higher than some other amplifiers on the market, its exceptional build quality, impressive specifications, and outstanding audio performance make it a worthwhile investment for serious audio enthusiasts.

In conclusion, the Triode TRV-84HD mkII amplifier is a standout product that offers a combination of stunning design, impeccable construction, and remarkable sound quality. If you are in search of an amplifier that delivers a captivating listening experience with versatility and reliability, look no further than the TRV-84HD mkII. It is a true gem that will elevate your audio setup to new heights.

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