NAD is a brand that specializes in high-fidelity audio equipment and electronics.

The NAD 1155 is a preamplifier that was released by NAD Electronics. It is known for its high-quality sound and versatile connectivity options.

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**  Leema Acoustics Unveils the Quantum Series, Revolutionizing High-End Audio**

In a significant move that marks its first major launch in over a decade, Leema Acoustics has unveiled the Quantum series, a new line of high-end audio equipment that promises to make premium sound more accessible. This groundbreaking series includes the Neutron preamplifier and the Graviton power amplifier, both of which are built on the expertise and innovation that have become synonymous with Leema Acoustics.

**A Blend of Innovation and Affordability**

The Quantum series, a project 25 years in the making, represents a pivotal moment for Leema Acoustics. Founded by ex-BBC engineers, the company has always been at the forefront of audio technology. With the Quantum series, they've taken cues from their flagship Constellation series but have streamlined the design and manufacturing process to offer these products at a more accessible price point. Despite the focus on affordability, no compromises have been made in areas that count the most, such as the quality of components and sound fidelity​​​​.

**Neutron Preamplifier: A Hub of Connectivity and Quality**

The Neutron preamplifier is a modern marvel that combines transparency with flexibility. It boasts a high-quality MM/MC phono stage based on Leema Acoustics’ proprietary design, an advanced ESS 24-bit/192 kHz USB DAC, and a dedicated headphone amplifier. With an impressive 13 inputs, including USB, phono, optical, and coaxial, the Neutron facilitates easy integration into various systems. The preamplifier is designed to be as transparent as possible, offering a high-end Burr-Brown analogue volume control and ensuring minimal crosstalk for enhanced sound clarity​​​​.

**Graviton Power Amplifier: Power and Precision**

The Graviton power amplifier is a class A/B design offering 150 watts per channel into 8 ohms and 260 watts into 4 ohms. It features a large toroidal power supply, providing exceptional control over a wide range of loudspeakers. The high-current topology of the Graviton, employing six Toshiba output transistors per channel, ensures dynamic ability and detailed sound reproduction. The amplifier includes both balanced and unbalanced inputs, dual speaker binding posts for easy bi-wiring, and line-level loop through-outputs for bi-amping​​​​.

**Pricing and Design**

Both the Neutron preamp and Graviton power amplifier are priced at £1,500 each, with a combined price of £2,800 when purchased together, making the Quantum series an attractive proposition for audiophiles seeking quality audio equipment without a hefty price tag. The devices feature UK-made casework available in brushed black or silver finishes, with precision-machined front panels and control dials, reflecting Leema Acoustics' commitment to craftsmanship and aesthetic elegance​​​​.

**In Conclusion**

The Quantum series from Leema Acoustics stands as a testament to the company's ability to innovate and adapt, bringing high-end audio within reach of a broader audience. With its combination of advanced technology, simplified design, and competitive pricing, the Quantum series is poised to redefine the landscape of high-end audio equipment.

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Leema Acoustics Quantum Series Unveils Neutron and Graviton with Premium Sound Features

The company was founded in 1998 by two former BBC sound engineers, Lee Taylor and Mallory Nicholls. Their shared passion for audio reproduction led them to embark on a journey to push the boundaries of loudspeaker design, eventually leading to the creation of the brand Leema Acoustics.

The founders' initial project was a bold endeavor to design a miniature loudspeaker capable of outperforming larger systems, a challenge that spurred four years of intense work. This culminated in the development of the Xen micro monitor, a product that achieved technical and musical excellence. Originally targeted at the professional audio market, the Xen eventually gained traction in the domestic market as audiophiles recognized the quality of Leema's products.

Following the success of the Xen, Leema Acoustics expanded its expertise into audio electronics. Their first foray in this area, the Tucana integrated amplifier, was released in early 2006. It quickly garnered acclaim, winning the prestigious Hi Fi News amplifier of the year award. This was soon followed by another successful product, the Antila CD player, which won the best CD player award in 2007.

Leema Acoustics' range of products continued to grow, including their Reference and Elements Ranges, and later, the Essentials line. These products have consistently attracted international acclaim, earning numerous awards and “best in class” reviews.

In 2007, to meet the increasing demand for its products, Leema Acoustics began collaborating with Davlec, a local Welsh manufacturer established in 1983, initially focusing on electronics for the dairy industry but later expanding into automotive and metrology. This partnership led to a formal merger in 2014, bringing together the production and design teams under one roof to continue manufacturing products to the high standards Leema Acoustics is known for.

Celebrating its 25th anniversary in 2023, Leema Acoustics unveiled an entire new product range, the Quantum series, which includes the Electron CD player, Positron streamer, Neutron DAC/preamp, and Graviton power amp. These products demonstrate the brand's continued commitment to innovation and excellence in audio engineering.

The founders' initial vision and commitment to exploring the depths of audio reproduction have firmly established Leema Acoustics as a revered name in the hi-fi audio industry, known for its high-quality, UK hand-built products

Leema Acoustics

Leema's Quantum Series revolutionizes audio with Neutron and Graviton, offering elite sound fidelity and advanced features in an affordable package.

Neutron

Graviton

The ISA Yachts' 45m MY UV II, crafted for an Australian music enthusiast, is a remarkable example of advanced maritime technology and design, with a special focus on audio and video capabilities. This yacht, executed by Videoworks, offers a unique blend of luxury and high-tech features, emphasizing audio excellence. Here are some of its standout aspects:

**K-Array Audio System**: The yacht is equipped with a formidable 20,000-watt K-Array Audio System. Managed by Symetrix’s Dante technology, this system ensures high-fidelity audio across various zones of the yacht, offering a professional-grade sound experience.

**Extron Processors**: These processors are used to manage surround sound systems in the main hall and the owner's lounge, indicating a focus on delivering an immersive audio experience in key communal areas of the yacht.

**HDMI 4K over IP**: With ZeeVee devices enabling this feature, the yacht ensures high-quality, seamless video distribution throughout, providing an exceptional visual media experience.

**5G Connectivity**: The integration of Peplink dual modems and a Starlink antenna demonstrates a commitment to ensuring high-speed internet access across the oceans, enhancing the yacht's connectivity capabilities.

**Party Mode on Sundeck**: This feature is tailored for social gatherings, with DJ inputs and amplified speakers, transforming the sundeck into a dynamic entertainment zone.

**Soundproof Multimedia Room**: A dedicated space for private music enjoyment, equipped with a top-notch 5.1 surround sound system, allowing for an intimate and undisturbed auditory experience.

**Interior Design**: Luca Dini’s design provides a chic and stylish ambiance, featuring backlit panels, mirrored TVs, and textured ceilings. The yacht also integrates Videoworks' innovative lighting system, controllable via the ItwModeX app, offering dynamic color options for various moods and settings.

**Palumbo Superyachts Legacy**: As part of Palumbo Superyachts, which encompasses brands like ISA Yachts, Columbus Yachts, Mondomarine, and Palumbo SY Refit, this yacht exemplifies the company's expertise in luxury yacht manufacturing. Palumbo Superyachts, with its extensive network and representative office in Monaco, has been a significant player in the industry since the launch of its first 54m superyacht, Prima, in 2011.

The MY UV II stands as a pinnacle of maritime entertainment technology, showcasing the owner's dedication to audio-visual excellence and Videoworks' 25 years of expertise in executing such visionary projects.

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ISA Yachts Launches UV II: A Symphony at Sea with a 20,000-Watt K-Array Audio System

Explore the ISA Yachts' UV II, a 45m luxury vessel blending high-end audio with maritime elegance, featuring a 20,000-watt K-Array system and advanced 5G connectivity.


For audio aficionados, the term 'soundstage' is akin to a holy grail. The notion of a three-dimensional sonic space where each instrument and vocal takes its place is an alluring pursuit. But achieving that perfect soundstage is more than just a matter of buying the most expensive gear. It's about the intelligent application of techniques, settings, and positioning.

## The Role of the Subwoofer

A subwoofer's importance in crafting a soundstage is often underestimated. When calibrated carefully, it adds layers to the music, generating a sense of depth and dimensionality. A well-calibrated subwoofer neither overpowers the music nor stays in the background but blends in seamlessly. Modern technologies like Digital Signal Processing (DSP) can offer meticulous calibration options. Time alignment is another overlooked but crucial factor. Synchronizing your subwoofer's output so that it reaches your ears in perfect harmony with your primary speakers can make a significant difference.

## Triangle Equilibrium and Toe-In

The "Triangle Rule" posits that the listener and the two primary speakers should form an equilateral triangle. However, the 'toe-in' factor can add a layer of nuance to this equation. Toe-in refers to the degree to which the speakers are angled toward the listener. More toe-in often results in a more focused, narrow soundstage, while less toe-in can produce a wider, more expansive sonic landscape.

## Role of Room Acoustics

While much of the conversation about soundstage revolves around equipment, room acoustics can be just as critical. Moving your speakers away from the walls can dramatically change the soundstage's depth. Symmetry is another vital aspect; the distance between the speakers and the walls should be uniform. This is where tools like Room EQ Wizard (REW) come into play, allowing you to make data-driven decisions about speaker positioning.

## The Impact of Pre-Amps and Cabling

One often-overlooked aspect of soundstage development is the role of pre-amplifiers and cables. These elements can subtly—or sometimes not-so-subtly—alter the audio output. Changing your pre-amplifier can significantly affect the depth and width of your soundstage, so it's worth exploring this option if you're looking for improvements. Even speaker cables and interconnects can make a difference, so consider experimenting with different types to see what suits your setup best.

## The Importance of Trial and Error

When it comes to fine-tuning your soundstage, experimentation is your best friend. Feel free to move your speakers around, tweak the settings on your subwoofer, and even change your seating position. Using familiar music tracks to gauge these adjustments is a tried and true method for gauging their effectiveness.

## Measurements and Tools

While your ears are indeed the final judge, having tools and software to measure your setup can add a layer of objectivity to the fine-tuning process. REW or similar room measurement software can offer insights into room acoustics and speaker performance, allowing you to adjust based on empirical data.

## Conclusion

Fine-tuning a soundstage is a blend of art and science. While there is no one-size-fits-all formula, the guidelines and tips in this article should provide you with a roadmap to enhance your audio experience. Remember, every change you make should aim to maximize your immersion and enjoyment of the music. So start experimenting and make that ideal soundstage a reality!

the essence of a soundstage dedicated purely to acoustic performances, featuring a selection of musical instruments

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The Art of Fine-Tuning Your Soundstage

Discover the science and art behind creating the perfect soundstage for your audio setup. Explore techniques, role of equipment, and expert insights to fine-tune your sound experience.

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by NAD

Interesting articles

Leema Acoustics Quantum Series Unveils Neutron and Graviton with Premium Sound Features

ISA Yachts Launches UV II: A Symphony at Sea with a 20,000-Watt K-Array Audio System

The Art of Fine-Tuning Your Soundstage