Line Magnetic LM-213 SA: Rediscovering the Essence of Hi-Fi Sound


In the world of audio enthusiasts, the pursuit of high-quality sound amplification is a never-ending quest. The ability to reproduce music with clarity, depth, and precision is essential for creating an immersive listening experience. Today, we delve into the realm of hifi sound amplifiers with a focus on the Line Magnetic LM-213 SA.

The Line Magnetic LM-213 SA is a tube integrated amplifier that promises exceptional audio performance at an affordable price point. With its impressive specifications and reputation for delivering stunning sound quality, this amplifier has piqued the interest of many audiophiles.

In this comprehensive review, we will explore the technical specifications, design and construction, functionality, sound characteristics, and performance of the Line Magnetic LM-213 SA. We will also discuss its advantages, value for money proposition, and ultimately provide a conclusion on whether this amplifier lives up to its promises.

Join us as we embark on a journey to uncover the secrets behind the Line Magnetic LM-213 SA and discover if it truly delivers on its commitment to providing outstanding sound amplification.

Technical Specifications

The Line Magnetic LM-213 SA amplifier offers impressive technical specifications that contribute to its exceptional audio performance. With a power output of 22 watts per channel, this amplifier delivers ample power to drive a variety of speakers. It operates in Class A, ensuring a pure and accurate reproduction of sound.

When it comes to sound quality, the LM-213 SA excels with its high signal-to-noise ratio (SNR) and low total harmonic distortion (THD). The SNR indicates the ratio of the desired audio signal to background noise, and the LM-213 SA achieves a remarkable SNR, resulting in a clean and noise-free listening experience. Additionally, the THD is kept at minimal levels, guaranteeing faithful sound reproduction without any unwanted distortion.

In terms of connectivity options, this amplifier offers two RCA line-level inputs, allowing you to connect various audio sources such as CD players or streaming devices. The built-in digital-to-analog converter (DAC) supports audio sampling rates up to 192 kHz, ensuring high-resolution playback for your digital music collection.

The LM-213 SA also features a balanced input, providing enhanced audio performance by minimizing interference and maximizing signal integrity. However, it does not have XLR analog inputs or outputs.

With regards to frequency response, this amplifier covers a wide range from 10 Hz to 50 kHz, enabling it to reproduce both deep bass frequencies and detailed high frequencies with precision. It is compatible with speakers ranging in impedance from 4 ohms.

Overall, the Line Magnetic LM-213 SA amplifier’s technical specifications showcase its ability to deliver powerful and pristine sound reproduction. Its Class A operation, high SNR and low THD ensure exceptional audio quality. The variety of inputs and outputs provide flexibility in connecting different audio sources, while the wide frequency response allows for an immersive listening experience across the entire audible spectrum.

Design and Construction

The Line Magnetic LM-213 SA amplifier boasts a sleek and elegant design that is sure to catch the eye of any audio enthusiast. Its black color adds a touch of sophistication to any audio setup. The amplifier is constructed with meticulous attention to detail, showcasing the brand’s commitment to quality.

The materials used in the construction of the LM-213 SA amplifier are of top-notch quality, ensuring durability and longevity. The chassis is sturdy and well-built, providing a solid foundation for the internal components. The use of premium materials not only enhances the amplifier’s aesthetics but also contributes to its overall performance.

One notable design feature of the LM-213 SA is its efficient cooling system. The amplifier incorporates strategically placed ventilation slots and heat sinks to dissipate heat effectively, preventing overheating and ensuring optimal performance even during prolonged use. This design feature not only extends the lifespan of the amplifier but also helps maintain its sound quality over time.

Another aspect worth mentioning is the attention given to reducing interference. The Line Magnetic LM-213 SA amplifier employs shielding techniques and careful placement of internal components to minimize electromagnetic interference, resulting in clean and distortion-free audio reproduction.

When it comes to connectors and switches, the LM-213 SA does not disappoint. The connectors are robust and secure, providing a reliable connection for your audio sources. The switches have a satisfying tactile feel, indicating their high-quality construction. These well-designed connectors and switches contribute to the overall user experience and ensure hassle-free operation.

In conclusion, the Line Magnetic LM-213 SA excels in both design and construction aspects. Its sleek appearance, premium materials, efficient cooling system, reduced interference, and high-quality connectors make it a standout amplifier in its class.


The Line Magnetic LM-213 SA amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. It provides various connectivity options, allowing you to connect different audio sources such as CD players, computers, smartphones, and more. With two RCA line inputs, you can easily connect your favorite devices and enjoy high-quality sound reproduction.

In terms of controls, the LM-213 SA amplifier features balance controls that allow you to adjust the balance between the left and right channels for a more precise and immersive listening experience. Additionally, it offers tone adjustments, allowing you to fine-tune the sound according to your preferences. Whether you prefer a warmer or brighter sound signature, the LM-213 SA gives you the flexibility to tailor the audio output to suit your personal taste.

Furthermore, this amplifier incorporates other operating modes that enhance its functionality. It includes a built-in DAC (digital-to-analog converter), enabling you to directly connect digital audio sources and enjoy high-resolution audio playback. The LM-213 SA also features a current bias adjustment for the vacuum tubes, allowing you to optimize their performance and achieve the desired sound characteristics.

Overall, the Line Magnetic LM-213 SA amplifier excels in terms of functionality by providing multiple connectivity options, balance controls, tone adjustments, and additional operating modes. It offers a seamless integration with various audio sources and ensures a personalized listening experience tailored to your preferences.

Sound Characteristics

The Line Magnetic LM-213 SA amplifier delivers an exceptional sound quality that is sure to captivate any audiophile. With its impressive features and design, this amplifier truly stands out in terms of sound characteristics.

First and foremost, the LM-213 SA offers a remarkable level of detail in its sound reproduction. Every nuance and subtlety of the music is brought to life, allowing the listener to fully immerse themselves in the performance. The instrument separation is outstanding, ensuring that each instrument can be clearly heard and appreciated within the mix.

The bass response of the LM-213 SA is deep, powerful, and well-defined. It adds a solid foundation to the music, providing a rich and impactful listening experience. Whether you’re listening to electronic beats or orchestral compositions, the amplifier effortlessly handles low frequencies with precision and control.

On the other end of the spectrum, the treble clarity of this amplifier is simply stunning. The high frequencies are crisp, detailed, and never harsh or fatiguing. This allows for an airy and open soundstage, where every instrument and vocal can be heard with clarity and realism.

When it comes to overall sound presentation, the LM-213 SA excels in creating a natural and balanced audio experience. It strikes a perfect balance between warmth and neutrality, ensuring that the music retains its original character while still being enhanced by the amplifier’s tube-driven magic.

In terms of genre compatibility, the LM-213 SA proves to be versatile and adaptable. It effortlessly handles various music genres, from classical symphonies to rock anthems. The amplifier brings out the best in each genre, accentuating their unique qualities and delivering an immersive listening experience tailored to individual preferences.

Whether you’re a fan of jazz, pop, classical, or any other genre, the Line Magnetic LM-213 SA amplifier will elevate your listening experience to new heights. Its exceptional sound characteristics ensure that every note is reproduced with precision, passion, and a touch of musicality.

Sound Performance

The Line Magnetic LM-213 SA amplifier delivers an exceptional sound performance that will transport you into a captivating auditory experience. With its ability to faithfully reproduce audio signals, this amplifier truly shines in terms of clarity, dynamics, and tonal balance across different frequency ranges.

When it comes to clarity, the LM-213 SA excels in revealing intricate details within the music. Instruments and vocals are rendered with remarkable precision, allowing you to hear every nuance and subtlety in the recording. The amplifier’s transparency ensures that nothing is lost or masked, providing a truly immersive listening experience.

Dynamics play a crucial role in bringing music to life, and the LM-213 SA does not disappoint. It effortlessly handles both soft and loud passages, delivering impactful crescendos and delicate pianissimos with equal finesse. The amplifier’s ability to capture the full range of dynamics adds depth and emotion to the music, making each note come alive.

Tonal balance is another area where the LM-213 SA excels. It strikes a perfect equilibrium between different frequencies, ensuring that no part of the audio spectrum overpowers or dominates the others. The bass is tight and controlled, providing a solid foundation to the music without overpowering other elements. The midrange is rich and textured, allowing vocals and instruments to shine with natural warmth. The treble is detailed and extended, adding sparkle and airiness to the overall sound signature.

Whether you’re listening to classical symphonies, jazz improvisations, or rock anthems, the LM-213 SA handles each genre with finesse. Its ability to faithfully reproduce the original recording ensures that you experience music as intended by the artist.

In conclusion, the Line Magnetic LM-213 SA amplifier delivers a mesmerizing sound performance that will captivate any audiophile. Its clarity, dynamics, and tonal balance make for an immersive listening experience that brings music to life. Whether you’re a discerning music lover or a professional audio enthusiast, the LM-213 SA is sure to impress with its exceptional sound quality.


The Line Magnetic LM-213 SA amplifier offers several notable advantages that set it apart from its competitors in the market. Firstly, its exceptional build quality ensures durability and longevity, making it a reliable investment for audio enthusiasts. The meticulous construction process, including the use of high-quality point-to-point wiring, showcases the brand’s commitment to excellence.

In terms of functionality, the LM-213 SA stands out with its built-in DAC (Digital-to-Analog Converter), allowing for seamless integration with digital audio sources. This feature enhances convenience and versatility, eliminating the need for additional external devices.

When compared to other models in its price range, the LM-213 SA excels in delivering a superior audio experience. Its powerful output of 22 watts per channel (at 4 Ohms) ensures ample power for driving a variety of speakers, resulting in clear and dynamic sound reproduction. The inclusion of balanced inputs further enhances audio fidelity and minimizes signal interference.

Furthermore, the LM-213 SA’s wide frequency range of 10 Hz to 50 kHz enables it to faithfully reproduce intricate details across the entire spectrum, providing an immersive listening experience. This amplifier truly shines when paired with high-quality speakers, delivering a rich and engaging soundstage.

Additionally, Line Magnetic Audio’s reputation for producing high-end audio products adds further credibility to the LM-213 SA’s advantages. With their focus on innovation and technical excellence, Line Magnetic Audio has established itself as a brand that consistently sets new standards in the industry.

Overall, the Line Magnetic LM-213 SA amplifier offers a combination of exceptional build quality, versatile functionality, and outstanding audio performance. These advantages make it a top contender in its price range and a compelling choice for audiophiles seeking an amplifier that delivers both value for money and an unparalleled listening experience.

Value for Money

The Line Magnetic LM-213 SA amplifier offers exceptional value for money, combining high-performance audio capabilities with a range of features at an affordable price point. When considering the overall package, this amplifier provides a compelling proposition for both audiophiles and music enthusiasts alike.

In terms of performance, the LM-213 SA delivers stunning audio quality that is sure to impress even the most discerning listeners. With its tube-based design and handcrafted construction, this amplifier produces a warm and rich sound signature that brings out the nuances and details in your favorite music. The use of high-quality components, such as the 12AX7 and 12BH7 tubes, ensures a clean and accurate reproduction of sound across various frequencies.

Furthermore, the LM-213 SA offers a comprehensive set of features that enhance its versatility and functionality. The inclusion of an integrated DAC allows for seamless digital audio playback, supporting high-resolution files up to 192kHz. Additionally, the presence of input level adjustment enables users to fine-tune their listening experience according to their preferences.

Considering its price point, the Line Magnetic LM-213 SA provides excellent value when compared to other amplifiers in its class. Its combination of superior audio performance, thoughtful features, and solid build quality make it a standout option for those seeking an amplifier that punches above its weight in terms of both performance and affordability.

In conclusion, the Line Magnetic LM-213 SA offers exceptional value for money by delivering outstanding audio performance, a range of useful features, and a competitive price point. Whether you are an avid audiophile or simply someone who appreciates high-quality sound reproduction, this amplifier is sure to exceed your expectations without breaking the bank.


In conclusion, the Line Magnetic LM-213 SA amplifier is a remarkable piece of audio equipment that delivers exceptional sound quality and performance. With its impressive design, solid construction, and thoughtful functionality, this amplifier is sure to impress even the most discerning audiophiles.

The technical specifications of the LM-213 SA are impressive, with a power consumption of 230 watts and a frequency range from 10 Hz to 50,000 Hz. It features two 12AX7 and two 12BH7 tubes, providing a warm and rich sound signature. The built-in DAC with a sampling rate of up to 192 kHz ensures high-quality audio reproduction.

The design and construction of the LM-213 SA are top-notch. The handcrafted assembly using premium point-to-point wiring showcases Line Magnetic Audio’s commitment to excellence. The black color adds a touch of elegance to the overall aesthetic.

Functionally, the LM-213 SA offers convenient features such as remote control operation and input signal level adjustment. However, it lacks certain features like an equalizer or support for RDS FM radio. Nevertheless, these omissions do not detract from the overall performance of the amplifier.

When it comes to sound characteristics, the LM-213 SA truly shines. It produces a mesmerizing musical experience with its detailed imaging, wide soundstage, and accurate tonal balance. The tubes contribute to a smooth and natural sound reproduction that brings out the nuances in music.

In terms of sound performance, the LM-213 SA excels in delivering powerful and dynamic audio. Whether you’re listening to classical orchestras or rock bands, this amplifier handles all genres with finesse. The 22-watt output per channel ensures sufficient power for most speakers.

One of the notable advantages of the LM-213 SA is its excellent value for money. Despite being priced competitively, it offers high-end audio performance that rivals more expensive amplifiers on the market. The one-year warranty provides peace of mind for potential buyers.

In conclusion, the Line Magnetic LM-213 SA amplifier is a true gem in the world of audio equipment. Its exceptional sound quality, solid construction, and attractive design make it a worthy investment for music enthusiasts seeking a high-fidelity listening experience. Whether you’re a casual listener or a dedicated audiophile, the LM-213 SA will exceed your expectations.

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