Technics SU-G700: Unleashing the Power of Pure Audio


In the world of audio enthusiasts, high-quality sound amplification is a crucial component for achieving an immersive and captivating listening experience. Whether you’re a music lover, a movie enthusiast, or a gaming aficionado, having a reliable and powerful amplifier can make all the difference in bringing your audio content to life. Today, we will be delving into the world of amplifiers with a focus on the Technics SU-G700.

The Technics SU-G700 is an integral part of the Grand series of components by Technics, renowned for their reference-class performance. This amplifier boasts a sleek and sturdy design, housed in a metal chassis with an anti-resonant chassis to minimize vibrations and distortions. The front panel is adorned with elegant level meters, adding a touch of sophistication to its appearance.

But it’s not just about looks – the Technics SU-G700 incorporates cutting-edge digital technology to ensure exceptional signal transmission accuracy. The internal construction is divided into three isolated sections to eliminate cross-interference, while the low-noise power supply enables instantaneous current delivery when required by the musical signal.

One standout feature of the Technics SU-G700 is its utilization of patented JENO Engine technology, which effectively reduces jitter for improved audio quality. Additionally, the amplifier employs LAPC (Load Adaptive Phase Calibration) technology to automatically calibrate phase and amplification levels, ensuring optimal power delivery to your speakers regardless of their characteristics. These measures result in a rich and immersive sound that rivals traditional analog-based amplifiers while surpassing them in terms of overall performance and capability.

Furthermore, the Technics SU-G700 offers customizable options for reducing internal noise interference. Users have the ability to selectively disable certain amplifier circuits as per their preferences. The amplifier also features analog connectivity options with Burr-Brown PCM1804 analog-to-digital converters (ADCs), ensuring detailed and balanced sound reproduction with 24-bit/192kHz processing capabilities. Vinyl enthusiasts will appreciate the built-in phono stage, implemented with field-effect transistors and adjustable gain settings. Additionally, the amplifier includes a dedicated headphone amplifier, operating in Class AA with a fully analog circuit for optimal headphone listening.

In terms of connectivity, the Technics SU-G700 provides two coaxial and two optical inputs, along with two USB inputs for PC connection. The USB inputs undergo thorough filtering to eliminate external interference, further enhancing audio quality.

With its impressive features and advanced technologies, the Technics SU-G700 promises to deliver a superior audio experience. Now, let’s dive deeper into its technical specifications, design and construction, functionality, sound characteristics, sound performance, advantages, value for money, and ultimately, our conclusion on this exceptional amplifier.

Technical Specifications

The Technics SU-G700 amplifier is a high-end integrated amplifier that offers impressive technical specifications. With a power output of 140 watts per channel at 4 ohms and 70 watts per channel at 8 ohms, this amplifier delivers ample power to drive a wide range of speakers.

In terms of sound quality, the SU-G700 boasts a signal-to-noise ratio (SNR) that ensures a clean and noise-free audio experience. The low total harmonic distortion (THD) further enhances the audio quality by minimizing any unwanted distortions.

The amplifier features a variety of inputs and outputs, including three analog RCA inputs, two coaxial audio inputs, two optical audio inputs, and one USB input. This allows for versatile connectivity options with various audio sources such as CD players, turntables, and digital devices. However, it does not support Bluetooth or Wi-Fi connectivity.

The Technics SU-G700 supports a wide range of audio formats, including DSD (Direct Stream Digital), providing high-resolution playback capabilities. It also has a built-in MM phono stage for vinyl enthusiasts.

With a frequency response ranging from 5 Hz to 90 kHz and an impedance suitable for most speakers, the SU-G700 ensures accurate reproduction of both low and high-frequency sounds.

Overall, the technical specifications of the Technics SU-G700 demonstrate its capability to deliver powerful and high-quality audio performance while offering versatile connectivity options for various audio sources.

Design and Construction

The Technics SU-G700 amplifier boasts a sleek and sophisticated design that is sure to catch the eye of any audio enthusiast. Its metal chassis and anti-resonant construction ensure durability and minimize vibrations that can affect sound quality. The front panel is adorned with elegant arrow-shaped level indicators, adding a touch of luxury to its overall aesthetic.

One notable design feature of the SU-G700 is its three-section construction, which effectively isolates different components within the amplifier to eliminate cross-interference and maintain optimal signal transmission. This attention to detail speaks to Technics’ commitment to delivering pristine audio performance.

Efficient cooling is a crucial aspect of amplifier design, and the SU-G700 incorporates advanced cooling mechanisms to prevent overheating during extended use. The amplifier utilizes a low-noise, high-speed power supply that delivers instant current when required by the music signal, ensuring optimal performance even during demanding passages.

The quality of connectors and switches in an amplifier plays a significant role in its overall usability and longevity. Technics has taken this into account by equipping the SU-G700 with high-quality connectors that provide secure and reliable connections. The switches are designed for smooth operation and offer a satisfying tactile feedback. These well-crafted components contribute to the overall premium feel of the amplifier.

In terms of design and construction, the Technics SU-G700 excels in both form and function. Its elegant appearance combined with robust materials, efficient cooling mechanisms, and high-quality connectors make it a standout choice for discerning audiophiles seeking an amplifier that not only delivers exceptional sound but also adds a touch of sophistication to their audio setup.


The Technics SU-G700 amplifier offers a wide range of functionality, making it a versatile and convenient choice for audio enthusiasts. It provides various connectivity options to accommodate different audio sources, including CD players, computers, smartphones, and more. With three analog RCA inputs, two coaxial audio inputs, and two optical audio inputs, you can easily connect multiple devices to the amplifier.

One notable feature of the SU-G700 is the inclusion of a built-in digital-to-analog converter (DAC), allowing for high-quality audio playback from digital sources. The DAC supports up to 32-bit audio resolution and a sampling frequency of 384kHz, ensuring accurate and detailed sound reproduction.

In terms of control options, the amplifier offers balance controls and tone adjustments, allowing you to fine-tune the sound according to your preferences. Whether you prefer a bass-heavy or treble-focused sound signature, the SU-G700 provides the flexibility to tailor the audio output to your liking.

Additionally, the amplifier features various operating modes that enhance its functionality. While it does not have a dedicated Direct mode for pure signal transmission without any processing, it compensates with its JENO Engine technology and LAPC calibration system. These technologies work together to reduce jitter levels and automatically calibrate phase and amplification settings for optimal power delivery to your speakers or headphones.

Overall, the Technics SU-G700 excels in its functionality by offering a wide range of connectivity options for different audio sources and providing various control features to customize your listening experience. Whether you are connecting your vinyl turntable or streaming music from your computer, this amplifier ensures seamless integration and precise control over your audio setup.

Sound Characteristics

The Technics SU-G700 amplifier delivers an exceptional sound quality that will captivate any audiophile. With its advanced digital technology and innovative features, this amplifier truly shines in terms of sound characteristics.

One of the standout features of the SU-G700 is its ability to provide incredible detail in the audio reproduction. The clarity and precision of the sound is truly remarkable, allowing you to hear every nuance and subtlety in your music. Whether it’s the delicate plucking of guitar strings or the intricate notes of a piano, this amplifier ensures that each instrument is distinct and well-defined.

Instrument separation is another area where the SU-G700 excels. The amplifier effectively separates each instrument, creating a spacious and immersive soundstage. This allows you to easily distinguish between different instruments and appreciate their individual contributions to the music.

The bass response of the SU-G700 is powerful and impactful. It delivers deep, tight, and controlled bass that adds depth and richness to your listening experience. Whether you’re listening to electronic beats or thumping bass lines in rock music, this amplifier reproduces low frequencies with impressive accuracy and authority.

In terms of treble clarity, the SU-G700 provides a level of refinement that is truly impressive. The high frequencies are crisp, clear, and well-extended, ensuring that every cymbal crash and high note is reproduced with precision. The amplifier strikes a perfect balance between smoothness and detail in the treble range, resulting in a highly enjoyable listening experience.

When it comes to different music genres, the SU-G700 adapts effortlessly to each genre’s unique characteristics. From classical symphonies to heavy metal anthems, this amplifier faithfully reproduces the essence of each genre. It brings out the delicate nuances in classical music while maintaining the energy and power required for rock and electronic genres.

Overall, the Technics SU-G700 offers an exceptional sound experience with its detailed reproduction, excellent instrument separation, powerful bass response, and refined treble clarity. It effortlessly enhances the sound of various music genres, ensuring that you can fully immerse yourself in your favorite tracks.

Sound Performance

The Technics SU-G700 amplifier delivers an exceptional sound performance that will transport you into a captivating auditory experience. With its advanced digital technology and innovative engineering, this amplifier faithfully reproduces audio signals with remarkable clarity, dynamics, and tonal balance across the entire frequency range.

When it comes to clarity, the SU-G700 excels in bringing out intricate details in the music. Every instrument and vocal is rendered with precision and accuracy, allowing you to hear subtle nuances that might have been previously unnoticed. The amplifier’s ability to maintain a high level of transparency ensures that the original recording is faithfully represented, providing a truly immersive listening experience.

The dynamics of the SU-G700 are truly impressive. It effortlessly handles both soft and loud passages with finesse, ensuring that each note has the right amount of impact and energy. Whether you’re listening to a delicate piano piece or a powerful orchestral performance, the amplifier maintains control and delivers a dynamic range that brings music to life.

Tonal balance is another area where the SU-G700 shines. The amplifier strikes a perfect equilibrium between the lows, mids, and highs, resulting in a well-balanced sound signature. The bass is tight and controlled, providing a solid foundation to the music without overpowering other frequencies. The midrange is rich and expressive, bringing out the warmth and texture of vocals and instruments. The highs are detailed and extended, adding sparkle and airiness to the overall sound.

Regardless of the genre or style of music you prefer, the Technics SU-G700 ensures an engaging and enjoyable listening experience. From classical symphonies to rock anthems, every genre is reproduced with precision and finesse. The amplifier’s ability to handle complex musical passages with ease ensures that even the most demanding compositions are rendered with clarity and coherence.

In conclusion, the sound performance of the Technics SU-G700 is nothing short of extraordinary. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance is truly remarkable. Whether you’re a casual listener or an audiophile, this amplifier will elevate your music listening experience to new heights.


The Technics SU-G700 amplifier offers several notable advantages that set it apart from its competitors. Firstly, its use of advanced impulsive digital technology ensures exceptional signal transmission accuracy, resulting in a precise and detailed audio reproduction. This technology, combined with the JENO Engine and LAPC technologies, effectively reduces jitter and automatically calibrates phase and signal amplification for optimal power delivery to any type of speaker.

Furthermore, the SU-G700E features a three-section construction that isolates different components to eliminate cross-interference and reduce internal noise. This attention to detail enhances the overall sound quality, making it rich and immersive. The amplifier’s ability to fully drive any type of speakers surpasses traditional analog-based amplifiers in terms of performance.

In terms of connectivity options, the SU-G700E boasts multiple inputs including two coaxial and two optical inputs, as well as two USB inputs for PC connection. These inputs are also filtered to eliminate external interference. Additionally, the inclusion of a phono input for vinyl playback adds versatility to this amplifier.

Comparing the Technics SU-G700E with other models in its price range, it stands out due to its comprehensive feature set and exceptional audio performance. While other amplifiers may offer similar specifications, such as power output or input options, the SU-G700E’s utilization of advanced digital technology sets it apart from the competition. Its ability to reproduce music with superb clarity, detail, and balance makes it a top contender in its price range.

Overall, the Technics SU-G700 amplifier offers a range of advantages that make it a standout choice among competitors. Its advanced digital technology, comprehensive connectivity options, and impressive audio performance make it an excellent investment for audiophiles seeking high-quality sound reproduction.

Value for Money

The Technics SU-G700 amplifier offers excellent value for money with its exceptional performance, impressive features, and reasonable price. When considering the quality of sound reproduction, this amplifier truly stands out among its competitors in the market.

With a power output of 140 watts per channel at 4 ohms and 70 watts per channel at 8 ohms, the SU-G700 delivers ample power to drive a wide range of speakers, ensuring a dynamic and immersive listening experience. The inclusion of a high-quality MM phono stage allows vinyl enthusiasts to enjoy their record collection with clarity and precision.

In terms of connectivity options, the SU-G700 offers multiple analog inputs, including three 2RCA inputs and two coaxial and optical audio inputs. Additionally, there is a USB input for connecting a PC or other compatible devices. While it lacks wireless connectivity features like Wi-Fi, AirPlay, or Bluetooth, it compensates with its extensive range of wired connections.

The build quality of the SU-G700 is impressive, featuring a metal chassis and an anti-resonance chassis design that minimizes vibrations and unwanted noise. The sleek design and luxurious arrow level signal indicators on the front panel add a touch of elegance to any audio setup.

Considering its technical specifications, sound characteristics, and construction quality, the Technics SU-G700 offers remarkable value for its price point. It competes favorably with amplifiers in higher price ranges while providing similar or even superior performance.

Whether you are an audiophile seeking high-fidelity sound or a casual listener looking for an upgrade from entry-level amplifiers, the Technics SU-G700 offers exceptional value for money. Its powerful performance, versatile functionality, and solid construction make it a worthwhile investment for anyone looking to enhance their audio system without breaking the bank.

In conclusion, the Technics SU-G700 amplifier delivers outstanding value for money by combining top-notch sound performance, comprehensive connectivity options, and premium construction. Its competitive price point makes it an attractive choice for both audio enthusiasts and casual listeners alike.


In conclusion, the Technics SU-G700 amplifier is a remarkable piece of audio equipment that delivers exceptional performance and functionality. With its reference-class design, this amplifier showcases the brand’s commitment to precision and accuracy in sound reproduction.

The amplifier’s construction is solid and sturdy, with a metal chassis and an anti-resonance base that minimizes vibrations. The front panel features elegant level meters, adding a touch of sophistication to its overall design.

Functionally, the Technics SU-G700 offers a wide range of connectivity options, including analog inputs, coaxial and optical inputs, as well as USB ports for connecting to PCs. The inclusion of a phono input for vinyl playback and a headphone amplifier further enhances its versatility.

The sound characteristics of the Technics SU-G700 are truly impressive. Thanks to the implementation of advanced technologies such as JENO Engine and LAPC, the amplifier effectively reduces jitter and optimizes phase and amplification for optimal power delivery to any type of speaker. The result is a rich, balanced, and detailed sound that rivals traditional analog amplifiers.

In terms of sound performance, the Technics SU-G700 excels in delivering powerful and dynamic audio reproduction. It effortlessly handles low frequencies while maintaining clarity in the midrange and treble. The amplifier’s ability to drive any type of speaker with ease sets it apart from its competitors.

The advantages of the Technics SU-G700 are numerous. Its fully digital circuitry ensures precise signal transmission, while its three-section construction eliminates cross-interference. The inclusion of a high-quality DAC preserves audio quality with 32-bit processing capability. Additionally, the option to disable certain circuits reduces internal noise levels.

In terms of value for money, the Technics SU-G700 may be considered an investment for audiophiles who seek uncompromising sound quality. While it falls within the higher price range, its performance justifies the cost.

For potential buyers seeking a high-end amplifier that combines digital technology with analog warmth, the Technics SU-G700 is an excellent choice. Its versatility, sound quality, and robust construction make it suitable for both music enthusiasts and audio professionals.

In conclusion, the Technics SU-G700 amplifier truly stands out in its class. With its advanced features, exceptional sound characteristics, and solid construction, it offers an immersive audio experience that will satisfy even the most discerning listeners. If you are looking for a top-of-the-line amplifier that delivers outstanding performance and versatility, the Technics SU-G700 should be at the top of your list.

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