Braun is a German brand that specializes in designing and manufacturing various consumer products. They are not specifically known for audio products.

Braun

Atelier A 2

In a strategic move that intertwines heritage and innovation, Thomas Mayer, a luminary in the realm of tube amplifier design, has recently announced his venture into the production of vacuum tubes under the ELROG brand. This announcement comes in the wake of the insolvency of the original Elrog vacuum tubes entity, marking a new chapter for the esteemed brand known for its connection to the legendary Telefunken tube works.

Established in August 2016, the Deutsche Elektronenröhren Manufaktur GmbH, founded by Mayer himself, now stands as the proud producer of these ELROG Vacuum tubes. The roots of the company trace back to 1986 when the original ELROG Elektronenröhren GmbH & Co KG was founded in Lüneburg, a testament to its enduring legacy in the industry.

Mayer's approach to this revival isn't just about continuity; it's a significant evolution. Reports indicate a substantial enhancement in the tube's design, including a tenfold improvement in the vacuum quality and an increase in the thorium content of the filaments from 0.6 to 2%. These modifications, along with an inverted structure for specific tube models and the use of superior graphite in the plates, are expected to drastically elevate the auditory experience.

Customers who have had the opportunity to compare the old and new style Elrog tubes have reported a noticeably improved sound quality, underscoring Mayer's commitment to not only preserving but also advancing the rich sonic legacy of the ELROG brand.

As this news resonates through the audiophile community, there's an air of anticipation and excitement about what this means for the future of high-fidelity sound. Thomas Mayer's venture is not just a business move; it's a resonant chord struck in the heart of the global audiophile narrative, promising a richer, more immersive auditory experience for enthusiasts and professionals alike.

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Thomas Mayer Revitalizes Vacuum Tube Production with ELROG Brand

Learn about the revival of ELROG's legacy and how Mayer's innovative techniques are setting new standards in sound quality


Stepping into the realm of high-quality sound without the usual marketing fluff, let's talk about what makes Fyne Audio's F700SP series, particularly the F702SP and F703SP models, stand out in the crowded speaker market. It's not just about the fancy terms or the hefty price tag; it's about what these speakers actually do to make your music listening experience something special.

First off, these speakers come with something called IsoFlare drivers. Imagine having a speaker that throws sound at you from a single point, blending different tones perfectly to make music sound more natural and lifelike. That's what these drivers aim to do. It's like the vocalist or the guitar player is right there in the room with you, not scattered around.

Then there's this cool feature known as the BassTrax porting system. Ever felt like the bass in some speakers just doesn't feel right or fills the room properly? This system is designed to spread out the bass in a 360-degree pattern, making it smoother and more integrated into your space. It's about feeling the depth of the music without it being too overpowering or muddy.

The technical side also gets pretty interesting with the F700SP series. These speakers undergo a process called deep cryogenic treatment, which is a fancy way of saying they freeze the crossover components to relieve stress. This supposedly makes the sound clearer and more transparent. They also pack in some high-quality internal components like ClarityCap capacitors and Neotech wiring, aiming to keep the audio signal as pure as possible.

Design-wise, they didn't hold back. Available in finishes like Piano Gloss Black, White, Walnut, and a satin Natural Walnut veneer, these speakers are made to be both a feast for the ears and the eyes. Plus, they have these heavyweight aluminum plinths that not only look good but help in sound dispersion too.

Now, for the elephant in the room – the price. The F702SP and F703SP models are definitely on the higher end, with price tags of £11,999.99 and £14,999.99 respectively. It's a hefty investment, but for those who are serious about their audio, it might just be worth considering.

In essence, the F700SP series from Fyne Audio is about bringing high-end, detailed, and immersive sound to those who are willing to pay for that premium listening experience. It's not just about the specs or the luxury finishes; it's about how all these elements come together to make your favorite tracks sound the best they possibly can.

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How Deep Cryogenic Treatment Elevates the F700SP Series to Audiophile Heaven

Fyne Audio is a manufacturer of high-quality loudspeakers for audio systems.

Fyne Audio

The BassTrax technology in Fyne Audio's F700SP series offers a revolutionary listening experience with smooth, room-filling bass.

The F702SP by Fyne Audio stands as a pinnacle of their ongoing pursuit of acoustic perfection, embodied in an elegantly designed floorstanding speaker. Crafted by hand in the UK, this model boasts a sophisticated 200mm IsoFlare driver from the F1-8, which benefits from an enhanced HF waveguide that ensures a smoother frequency response. This advanced driver is set within the celebrated and award-winning F702 cabinet that is uniquely configured with twin cavities and utilizes the BassTrax LF diffuser for superior bass distribution.

Improvements do not halt at mechanical design; the crossover circuitry of the F702SP has undergone a significant redesign. Through the use of computational modelling coupled with exhaustive auditory trials, the circuitry has been finely tuned. It now includes high-quality Claritycap capacitors and Neotech PC-OCC wiring, which work in tandem to deliver an exceptionally pure signal transfer. The commitment to preserving audio integrity is further evidenced by gold-plated WBT Nextgen 0703 terminals and a specialized cryogenic treatment process, aimed at maintaining the fidelity of every sonic detail.

Supporting its superior sound technology, the F702SP is anchored by a robust aluminium base. This base is outfitted with M12 threaded support cones, providing the speaker with unparalleled stability. This feature not only enhances the physical steadfastness of the speaker but also contributes to its ability to deliver articulate and powerful audio performance. Ideally suited for medium to large-sized rooms, the F702SP offers an auditory experience that is both immersive and expansive, reflecting Fyne Audio's reputation for producing cutting-edge audio solutions.

F702SP

The F703SP is a refined version of the original F703 from Fyne Audio, integrating advanced technology from the F1 Series into its design. Crafted in Scotland, this floorstanding speaker boasts a 250mm IsoFlare point source driver, similar to that found in the F1-10, and is enhanced with a robust Neodymium HF magnet system and a 3” titanium dome. This configuration ensures a dramatic reduction in distortion and a smoother frequency response across the board. The reinvention of the crossover network in the F703SP demonstrates meticulous engineering, with optimization achieved through comprehensive computer modeling and critical listening tests. High-quality components such as Claritycap capacitors and Neotech PC-OCC wiring are utilized to maintain signal integrity and transparency.

Enhancements do not stop at internal components. The terminals of the F703SP feature superior gold-plated WBT Nextgen 0703 connectors and the crossover benefits from a unique cryogenic treatment performed in Fyne Audio’s own facilities, which further refines signal clarity. Stability is paramount in a speaker of this caliber; thus, it is equipped with a robust F1 grade machined aluminum platform with M12 threaded support cones. This base not only grounds the speaker solidly but also aids in the precise articulation of low-frequency details, making every listen a deeply engaging experience. The combination of sophisticated design, high-quality materials, and meticulous engineering makes the F703SP a powerhouse that captures the essence of pure audio performance.

F703SP

## The Fundamentals of Sound Absorption

**The Phenomenon of Sound Absorption:** 
Sound absorption is a crucial aspect of acoustic engineering, which deals with the control of sound and reverberation in a given space. When sound waves encounter a material, part of the acoustic energy is absorbed by the material, transforming into heat, while the rest may be reflected or transmitted through. The level of absorption depends on the material’s properties and the frequency of the sound wave. By absorbing unwanted sound, these materials help in creating acoustically pleasant environments, crucial for settings like recording studios, theaters, and homes with high-fidelity audio setups.

**Acoustic Energy Transformation: From Sound to Heat:** 
The principle behind sound absorption lies in the conversion of acoustic energy into heat. When a sound wave hits a material, the material’s fibers or structure vibrates, causing internal friction which generates heat. This process dissipates the acoustic energy, thereby reducing the sound wave’s amplitude and mitigating the amount of sound reflected back into the room.

**Acoustic Impedance:** 
The Gateway to Effective Sound Absorption: Acoustic impedance is a measure of how much a material resists or permits the flow of acoustic energy. It is crucial for understanding a material’s sound absorbing capacity. Materials with an impedance matching that of air tend to absorb sound more effectively as they allow for better transmission of sound waves into the material where it can be dissipated as heat.

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## An In-depth Look at Sound-Absorbing Materials

**Material Properties Influencing Sound Absorption**
The sound absorption efficiency of a material is significantly influenced by its density, thickness, and surface texture. Dense materials with open structures, like foam or fiberglass, are excellent at trapping sound waves. Moreover, thicker materials tend to absorb lower frequency sounds better due to their ability to vibrate at lower frequencies.

**The Dynamic Trio: Fiberglass, Foam, and Rockwool** 
Among the most commonly used sound-absorbing materials are fiberglass, foam, and rockwool. Fiberglass is renowned for its excellent sound absorption capabilities across a broad frequency spectrum. Foam, particularly open-cell foam, is effective at absorbing higher frequency sounds. Rockwool, with its dense and fibrous structure, is adept at absorbing a wide range of frequencies, making it a popular choice for various acoustic treatment applications.

**Comparative Analysis of Sound Absorption Efficiency** 
Each of these materials has its own set of advantages and disadvantages. For instance, while fiberglass and rockwool are effective across a broad spectrum of frequencies, foam tends to be less effective at lower frequencies. The choice between these materials depends on the specific acoustic needs of a space, and often, a combination of materials is employed to achieve desired acoustic properties.

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## Beyond the Basics: Unveiling Additional Sound-Absorbing Materials

**The Role of Bass Traps in Low-Frequency Sound Absorption**
Low-frequency sounds are often the most challenging to control. Bass traps are designed to tackle these lower frequency sounds, providing control over boomy and muddy acoustics often encountered in untreated rooms.

**Perforated Wood Panels: Blending Aesthetics with Acoustics**
Perforated wood panels not only offer sound absorption qualities but also add an aesthetic appeal to a room. They are particularly effective in treating mid to high-frequency sounds, making them a suitable choice for spaces that require a visually pleasing acoustic treatment solution.

**Unconventional Materials: Exploring the Unknown**
The field of acoustic engineering constantly evolves with the discovery and development of new materials. Unconventional materials like recycled rubber, cork, and even certain types of plastics are being explored for their sound absorbing properties. These materials open up new avenues for effective sound control while often providing eco-friendly alternatives to traditional acoustic materials.

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## Health and Safety Concerns in Acoustic Material Selection

**The Specter of Volatile Organic Compounds (VOCs)**
Volatile Organic Compounds (VOCs) are carbon-based chemicals that evaporate at room temperature, and some of them are harmful when inhaled. Many traditional sound-absorbing materials, like certain adhesives or foams, may emit VOCs, which can lead to poor indoor air quality. It's essential to select materials that have low VOC emissions to ensure a healthy indoor environment.

**Fire Safety Ratings and Acoustic Materials**
Fire safety is a paramount consideration when selecting acoustic materials. Materials should have appropriate fire safety ratings to ensure they won't easily ignite or contribute to the spread of fire. It's prudent to check the fire safety ratings and certifications of acoustic materials, and opt for those that are tested and certified as fire-resistant or fire-retardant.

**Navigating Health Regulations in Acoustic Engineering**
Complying with health and safety regulations is crucial in acoustic material selection. Ensuring that materials meet the standards set by local and international health agencies will not only promote safety but also demonstrate a commitment to adhering to best practices in acoustic engineering.

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## Effective Room Treatment Strategies

**The Art and Science of Material Placement** 
Effective room treatment goes beyond merely selecting the right materials; it extends to the strategic placement of these materials within a space. By understanding the flow of sound within a room and identifying areas where sound reflection is problematic, one can place sound-absorbing materials strategically to reduce echo and reverberation.

**Case Studies: Before and After Room Treatment** 
Examining real-world examples of room treatment can provide invaluable insights into the impact of sound-absorbing materials on a space's acoustic quality. Through a series of case studies, this section will explore various room treatment strategies and their outcomes, providing a practical understanding of how sound absorption can transform a sonic environment.

**Measuring the Impact: Tools and Techniques for Assessing Acoustic Performance** 
Utilizing tools like sound level meters and acoustic analysis software, individuals can measure the impact of room treatment on a space's acoustic performance. These tools provide data that can guide further adjustments, ensuring that the room treatment strategy achieves the desired acoustic results.

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## Future Trends in Sound Absorption Technology

**Emerging Materials on the Horizon** 
The acoustic engineering field is on the brink of exploring new materials with enhanced sound absorption properties. Innovations in material science are paving the way for the introduction of materials with superior acoustic performance, such as metamaterials which exhibit properties not found in naturally occurring materials.

**The Potential of Nanotechnology in Acoustic Engineering**
Nanotechnology holds promise in revolutionizing acoustic material design. By manipulating materials at a nanoscale, engineers can create structures with enhanced sound absorption properties, potentially leading to new categories of acoustic materials with exceptional performance.

**Sustainable Practices in Sound Absorption Material Production** 
With a growing emphasis on sustainability, the trend towards the utilization of recycled and eco-friendly materials in acoustic engineering is gaining momentum. Sustainable practices in material production not only contribute to environmental conservation but also resonate with a growing segment of eco-conscious consumers, making it a win-win scenario for both the industry and the planet.

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The Science of Sound Absorption

Explore the profound science of sound absorption and its impact on room acoustics. Delve into the characteristics of various sound-absorbing materials like fiberglass, foam, and rockwool, and understand their application in creating sonically pleasant spaces. Uncover essential health and safety considerations alongside emerging trends in acoustic engineering for a well-rounded grasp on enhancing audio experiences.

Atelier A 2

by Braun

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Interesting articles

Thomas Mayer Revitalizes Vacuum Tube Production with ELROG Brand

How Deep Cryogenic Treatment Elevates the F700SP Series to Audiophile Heaven

The Science of Sound Absorption