Yamaha HA-L7A Flagship Headphone Amplifier with Built-in DAC

A fusion of superior Hi-Fi audio technologies with Sound Field advancements from AV receivers, the Yamaha HA-L7A headphone amplifier elevates the sound of your favorite content to the highest level.

True Sound. Because There are Greater Heights to Reach.
Introducing the HA-L7A high-end headphone amplifier. Dive in, immerse yourself and experience the full emotion and excitement in all your entertainment.

True Sound
From the moment the sound is created to the time it reaches the human ear Yamaha is there. We are the only brand in the world that intimately knows this process, ranging from the manufacture of musical instruments to professional audio equipment. And True Sound, which strives for sound that accurately reproduces even the thoughts the artist put into their music and the expressive view intended by the creator as is, allows you to fully immerse yourself in the sound and enter a profound musical experience feeling as if you were right in the middle of the performance.

Tonal Balance
The HA-L7A minimizes even the subtlest noise while achieving a high-slew rate - essential for ultra-high-resolution - and ensures even the most delicate signals are handled with precision. As a result, every sound, from instruments to vocals and dialogue, is reproduced authentically without any unnatural coloration or timbral changes.

Unique, Patented, and Balanced Power Amplifier Technology
Yamaha has optimized its patented Floating and Balanced Power Amplifier technology for this headphone amplifier. A total of four sets of power amplifier circuits on the plus and minus sides of the left and right channels of the output stage are floated from the ground, resulting in thoroughly symmetrical push-pull operation of the output stage. The headphones can be driven without altering the amplifier configuration between balanced and unbalanced, minimizing any sound quality discrepancies due to different output terminals. Additionally, all circuitry, including the power supply, is completely independent of the ground, and all effects of minute voltage fluctuations and external noise surrounding the ground are thoroughly eliminated. By maximizing these sound quality advantages, the amplifier achieves a natural and fatigue-free sound that lets you fully lose yourself in your entertainment, even when listening for a long time.

Elite, Ultra-High Performance 32-bit D/A Converter from ESS Technology
Sparing no expense to realize superior sonic quality suitable for Yamaha's ideal high-end headphone amplifier, ESS Technology's ES9038PRO converter is incorporated, which is outstanding in the DAC industry for top-quality audio reproduction of minute signals. The dedicated master clock on the device utilizes a crystal oscillator with ultra-low phase noise to attain the highly precise D/A conversion and features an eight-channel D/A converter housed inside the chip that applies four-channel conversion to the left and right sides respectively. Utilizing this four-channel bundle delivers exceptionally high-quality audio output with broad dynamic range and superior signal-to-noise ratio. This unlocks a greater sense of enjoyment in headphone listening, where you can intimately experience even background noises of the concert hall and the most minute details in the sounds of the instruments.

Discrete Construction and Balanced Transmission
All major stages after the DAC are unified with balanced circuitry and discrete configuration, achieving a fully balanced transmission from the D/A converter output to the headphone jack. Also, balanced conversion is performed internally for ordinary single-ended (unbalanced) inputs, delivering the unique advantages of balanced transmission and amplification, such as minimizing external noise and sound quality deterioration, and applying them to a wide range of input sources. Additionally, when combined with headphones that support balanced drive, the common impedance of the transmission system is suppressed, further enhancing the signal separation that is crucial for quality headphone listening.

Dynamics
In order to fully convey the contrast between serene stillness and powerfully dramatic motion in the sound, the amplifier adopts two toroidal transformers and boasts a unique, highly rigid construction. Accepting no compromise, we've achieved low-frequency response with outstanding response to minute sounds, luxurious volume, and extraordinary transparency, to ensure accurate reproduction of all kinds of content with dynamic and realistic sound.

Low-Frequency Reproduction and Remarkable Spaciousness from Dual Toroidal Transformers
The power supply section employs independent transformers for the minute-signal circuitry in the front stage and the amplifier section in the second stage and implements a separate power supply design that minimizes noise due to mutual signal interference. The usage of toroidal transformers also significantly reduces magnetic flux leakage. Additionally, employing bifilar winding minimizes voltage variations, which in turn enhances the stability of the power supply, and achieves incredible spaciousness with powerful low-frequency reproduction.

Heavy-Duty Construction Eliminates Sonic Impacts from Vibration
To eliminate any detrimental impact of external and internal vibrations on the audio signals, the HA-L7A has a rugged construction that combines an original design concept with parts of high rigidity. An 8mm extruded aluminum panel forms the L-shaped top surface, while the naturally vibrating toroidal transformer is mounted firmly onto a 2mm steel plate. Even stronger support is provided by a thick front panel, a double rear panel, and a unique housing design that features a bottom cover at the end. Through this heavy-duty housing, unnecessary vibrations are suppressed, enabling powerful yet supple low-frequency reproduction, and allowing you to completely feel the powerful energy and genuine realism contained in the music.

Solid Metal Feet for Stability
The HA-L7A's distinct L shape is supported by five conical steel feet at each corner of the chassis, with dampers cushioned between each foot and the bottom panel that effectively suppress any vibration, allowing firm and stable support on just about any surface. Combined with the massive 11.7 lb body, all elements work together to effectively eliminate unwanted vibrations while achieving focused and realistic sound reproduction.

Sound Image
Our unique Sound Field mode and groundbreaking Sound Field re-creation could only be accomplished through unwavering commitment to achieving the best in audio reproduction. With a realistic, natural sound that allows you to completely lose yourself in your listening, we deliver a new entertainment experience previously unexplored in headphone amplifiers. Enjoy a truly immersive feeling - as if you were in the very performance space of the artist.

Sound Field Mode for Unparalleled Immersion
• Cinema
• Drama
• Background Music
• Concert Hall
• Outdoor Live
• Music Video

The HA-L7A features the same Yamaha CINEMA DSP Sound Field creation technology incorporated into many of our AV receivers. The unit also utilizes the unique signal processing and multi-channel expansion technologies Yamaha has developed and cultivated over its many years of designing AV components. One of the HA-L7A's many stunning features is the built-in Sound Field mode. Adopting six convenient options that reproduce the optimal sound for music, video, and other specific sources, Sound Field lets you enjoy all kinds of entertainment content with a full sense of realism and immersion that takes headphone listening into uncharted sonic territories.

Low-Noise Circuit Design & High-Quality Parts
The HA-L7A adopts a low-noise design that isolates the three circuit boards: the main board that handles minute signals, the amplifier board and the amplifier, and the power supply board for the system. Also, the main board eliminates any undesirable cross effects between the digital and analog signals by utilizing a multilayer board, thoroughly eradicating any ground loops. Additionally, the MUSES72323, famed for its exceptionally low distortion and low-noise output, is used for the volume IC, while the power supply IC made by Analog Devices boasts low output noise with high ripple rejection. The converter section features the ES9842QPRO, made by ESS Technology. By using only the highest quality parts meticulously selected through repeated listening tests, we have achieved the most natural sound reproduction possible.

Connectivity Without Compromise
Since the HA-L7A is fully compatible with the widest possible variety of music, video and entertainment sources, you can immerse yourself in your favorite listening while enjoying an unparalleled sonic performance. Comprehensive connectivity and expansion flexibility further deepen the pleasure of your headphone experience.

Three Front-Panel Headphone Jacks
The front panel of the HA-L7A features two balanced headphone jacks that allow you to fully enjoy the detailed, high-quality of balanced circuitry. You'll also find one unbalanced headphone jack that reduces contact loss thanks to gold-plated processing. Famed NEUTRIK jacks are used for the XLR balanced headphone jacks, and Pentaconn terminals are utilized for the 4.4mm 5-pole terminals, letting you connect your preferred headphones and unleash their full potential.