Philippe Guènerie’s from the French town of Blois specialises in exclusive retro design and impressive high-quality horn systems. The hi-fi tinkerer has been building loudspeakers and amplifiers for a long time. He also refurbishes historical amplifiers and radios. Whenever speaker fabric is required for a project, he relies on the products of Akustikstoff.com. “You have beautiful things on offer,” he praises the range.
The number of complex ultrasonic applications is increasing. The range extends from distance measurement and the identification of obstacles to non-destructive material testing with phased arrays for air-coupled ultrasound. So-called 3D-printed waveguides are currently being developed for such technically complex applications. So far, adequate protection of the equipment against water and dust has been a problem, however, as many practical applications require the equipment to function even under extremely demanding environmental conditions.
The Technical University of Darmstadt in Germany has now addressed this problem in a research project and carried out tests with our liquid and dirt-repellent Acoustic Cloth 2.0, among other things. The results presented by Professor Mario Kupnik’s research team in September 2020 during the 2020 IEEE International Ultrasonics Symposium (IUS) in Las Vegas* demonstrate the high suitability of acoustic material 2.0 for protecting waveguides. “We (…) demonstrate that the protection via hydrophobic fabric works excellent, i.e. without any significant drawbacks. Beam steering stays fully functional and the reduction of sound pressure level is only in the order of 1.5 dB. However, now the array can be used in real world applications,” the researchers conclude.
* M. Rutsch, G. Allevato, J. Hinrichs and M. Kupnik, “Protection layer for air-coupled waveguide ultrasonic phased arrays,” 2020 IEEE International Ultrasonics Symposium (IUS), Las Vegas, NV, USA, 2020, pp. 1-4, doi: 10.1109/IUS46767.2020.9251728.
It doesn’t happen too often that people decide to optimize the acoustics of their living room. But true audiophiles are of a special breed. Marcel from Almere in the Netherlands is one of them.
Marcel and his wife designed the room interior and commissioned Mutrox, a renowned Dutch acoustics specialist and studio builder, to develop and deliver the required acoustically active elements.
The main goal was to acoustically optimise the room while retaining the look and feel like a living room. The second and more demanding aim was to provide the opportunity to adjust the reverberation of the room, in this way giving the residents the opportunity to fine-tune the room acoustics at their discretion whenever they like.
Marcel and his wife finally opted for the use of false walls, acoustic curtains, and an acoustically active suspended ceiling. While the suspended ceiling is fixed due to the limited height of the room, the side walls and the front wall are made of various movable boxes that contain acoustically active elements such as absorbers and panel resonators.
These boxes, as well as the suspended ceiling, are covered with acoustic cloth from Akustikstoff.com.
Individual wall sections were also clad with strategically placed strips of wood, which meet the aesthetic criteria of the residents and also work as diffusors. »They render more ambience to the room. We find wood a great product to work with, it has character and it benefits the sound«, explains Marcel.
With a base reverberation of 0.41 seconds and a rather natural decay as well as with an almost linear frequency response with a slight dip around 55 Hz and a peak around 130Hz, the optimised living room boasts next to neutral audio reproduction with great balance, focus, and range of audibility. It perfectly suits the requirements for high-quality audio reproduction.
»It was a lot of work and we did it all ourselves. After all, the effort paid off: The room looks cosy and it’s nice to be in there«, says Marcel. »We are satisfied with the fabric. It was great to work with, has a fine-meshed structure, and, as you can see in the pictures, it looks fantastic when installed. I highly recommend it.«
Many hifi enthusiasts have developed a great passion for the DIY refurbishment of vintage speaker cabinets. An update of the speaker grille with new Acoustic Cloth is one of the key elements in most of these projects, but it’s not always the easiest task.
The JBL* LX55, for instance, a popular speaker among experts that is sold at increasingly high prices today, has a plastic frame with a relatively small edge to which the original speaker cloth is attached to. Moreover, the slot between the frame and the cabinet is extremely narrow. This construction makes it impossible to staple the speaker fabric to the frame (the method of choice with wooden frames) or to use of hook fastener tape instead.
This is where our special spray adhesive comes into play. The adjustable nozzle of the container ensures convenient and economical application of the adhesive without any scattered spray mist and the high immediate adhesion of the adhesive provides for the easy and precise mounting of our sound-transparent fabric on such frames. It’s the perfect solution whenever you want to make speakers with plastic frames look like new.
»Your adhesive is really good for mounting fabrics. Very easy to use, no spill, and good adhesion. I used it for my JBL LX55 speakers with your grey cloth (colour code 14). I also refurbished a pair of Bose* 601 series 1 speakers with your beige fabric this year and I am perfectly happy with the result«, wrote Emmanuel D. from Digoin in France as he proudly sent us some photos of his speaker refurbishment projects.
*All brand names are registered trademarks of their respective owners and are not in any way associated with Akustikstoff.com.
Sometimes it’s the little things that make small rooms look friendlier, less cluttered, and more attractive. That’s why it is a good idea to cover the often small-sized compartments of an AV rack in such a room with Acoustic Fabric in a matching colour. The immediate effect is that the entire room appears more straightforward and comfy.
Making such a cover doesn’t require any distinct DIY skills. All you need to build is an accurately fitting wooden frame with a hinge and a magnetic catch. Cover this frame with an appropriately sized piece of Akustikstoff.com Speaker Cloth (watch the tutorials on Youtube for details) and you’re done. The Acoustic Cloth lets infrared signals pass easily, so remote controls for receivers, amplifiers, etc. will work through the closed front, while all equipment along with the centre speaker or a soundbar remain hidden – as well as the countless little thingies that inevitably tend to accumulate in such a shelf over time.
A nice example is the AV-shelf our customer Nicolas T. from Joinville le Pont in France DIYed lately with Akustikstoff.com Standard Speaker Cloth. He kindly emailed us some photos of his project for this blog.
MC Audiotech is a new name in high end audio, but the people behind the company and the products are not. With over 60 years of combined experience in the high-end audio industry through Linaeum, Impact Technology, and Veloce Audio plus an array of patents that speak to true innovation under their belt, they are driven by the true passion to develop trendsetting products that serve both the needs of most demanding customers and the music.
The company, which is headquartered close to Philadelphia in the U.S. state of Pennsylvania, now offers a brand-new speaker system, the »Forty-10«. MC Audiotech say that this speaker truly »mirrors the sound of real-world voices and instruments«.
A brief summary gives a hint at this amazing speaker’s characteristics: The »Forty-10« is a two-way design consisting of in-house designed and built proprietary transducers mounted in a double-curved so-called »spaced array™« and a separate »folded cube™« low frequency enclosure.
MC Audiotech claim that their system is so efficient that can be driven by as little as 15 watts from the softest pianissimos to the most massive crescendos and is seriously full range, treating the lucky owner to a complete presentation of the recorded information, regardless of genre.
Visually, the speaker is an elegant nod to mid-20th-century modern design. By default, it comes in a satin walnut veneer with bright aluminium work and grille covered with Akustikstoff.com’s off-white speaker fabric. Other options for material and finishes are available. One example is the Figured Maple option which is paired with black metalwork and beige speaker cloth from Akustikstoff.com.
We are delighted to have contributed to the creation of this wonderful product with our Standard Speaker Cloth. The »Forty-10« by MC Audiotech gives further proof of the fact that the quality of our fabrics meets even the highest demands of proven high-end professionals.
»The Spheres« is a recording studio and events space in Pescara-Montesilvano (Italy) on the Adriatic coast, offering state of the art audio and video equipment as well as an active concert calendar. Without doubt, the studio, which also offers mixing and mastering services along with outstanding recording opportunities, can be considered one of the finest recording studios in northern Italy and even beyond – especially for classical, jazz, and world music. It is available to all labels, engineers, projects, and artists who want to benefit from the extraordinarily high levels of acoustic and technical standards that characterize the studio throughout.
The studio was designed principally for acoustic music, but is versatile and welcomes all genres. It was rapidly constructed inside an adapted warehouse between November 2016 and May 2017. Planning and acoustic design was by producer, sound engineer, and studio owner John Anderson. The classical pianist, who runs the record label Odradek Records, holds two performance degrees from the Accademia Musicale Pescarese and a degree in musicology from the University of Oxford.
Having had a look at samples of our Acoustic Cloth 2.0, John decided to use this stain-resistant, liquid-repellent, and B2 fire-rated fabric for the numerous wall and absorber covering purposes in the recording rooms and the control room of his studio. Altogether, 160 square metres of Acoustic Cloth 2.0 and 250 metres of our adhesive hook fastener tape were used in the construction of »The Spheres«.
The main room offers 135 square metres of space and a diffuse sound field that is achieved with eight 2D QRD »Skywalker Sound« replica movable diffusors/gobos, and a further 144 2D QRD »BBC style« diffusors mounted on the walls. Every corner has a wedge bass trap from floor to ceiling, a column of 115kg per cubic meter dense rock wool covered with Acoustic Cloth 2.0, which help control the room’s bass build-up and modal distribution. The dropped ceiling is sound absorbent. The floating walls are insulated and isolated via rubber decouplers from the structural walls behind. The result is a silent, world class lively ambience with no boomy bass build-up confusion and silky-smooth highs with no harsh flutter echoes.
The control room features 48 square meters with four-metre ceilings and has a separated machine room. It is a Tom Hidley »non-environment room«-inspired design with vertical and horizontal wave guides angled to capture incoming sound from their opposite side monitor. Sound is trapped by eight cm of dense rockwool behind. Unabsorbed energy is directed away from engineer’s listening position to create a reflection free space, ensuring accurate monitoring. The waveguides are completely covered by Acoustic Cloth 2.0 for an elegant finish.
Excellent workmanship, glorious Scandinavian design, and individual, custom-made production a– that’s what the Danish carpenter Per Plauborg and his company Hifimøbler.dk stand for.
Per’s aim is to make custom-made AV furniture of outstanding quality that meets any customer’s individual taste and demand. All furniture is tailored to the individual customer in terms of color, size, number of shelves, cable holes, and any accessories, such as drawers and legs, wheels, and wall-mounting options. This way, AV furniture from Hifimøbler.dk suits any audio and video equipment and at the same time contributes to an elegant Scandinavian home furnishing style.
If you want your Hifi and video equipment as well as similar gear ready for use at all times but still perfectly hidden away in a great piece of handmade design furniture, Hifimøbler.dk will provide the perfect solution. All furniture is prepared for inside and outside cabling within and between the modules. This way, all cables are hidden, ensuring that the living room always looks tidy and stylish. Even better, these great pieces of furniture come at a price you’d usually expect for standard run-of-the-mill pieces.
Per places great emphasis on quality and the compelling craftsmanship of which he is justifiably proud. It’s no wonder, then, that he has chosen fabrics from Akustikstoff.com for the front covers of his furniture. The outstanding acoustic properties of these acoustic fabrics ensure perfect sound reproduction even if the speakers are placed behind the doors. At the same time, the specially designed acoustic cloth lets infrared signals pass through, so remote controls even work with closed doors.
»Afgang« is the name of the MFA degree show of the of the Kongelige Danske Kunstakademi, the Royal Danish Academy of Fine Arts. It is taking place at the moment at the Kunsthal Charlottenborg in Copenhagen. The exhibition curated by Henriette Bretton-Meyer features works from twenty-five graduates from the Royal Danish Academy of Fine Arts’ Schools of Visual Arts. It will be on display until 20 May 2018 and is well worth a visit. If you happen to be in Copenhagen before the end of May, make sure not to miss it.
One of the featured artists is George Koutsouris, who has created »a strangers’ attractor«, a large installation that reminds a bit of a spider at first sight. If you dare to walk around that somewhat repellent object, you will discover a colourful inside that features pieces from Danish astronaut Andreas Mogensen’s space capsule and an interesting soundscape: With the support of various sponsors, Koutsouris has built a kind of sound machine that uses the black tubes to collect voices and ambient noise from other rooms, even from outside the building, and reproduces them in the strikingly colourful inside, full of artificial echoes. The impressive work is meant to demonstrate power and creepiness, but also opportunities.
You may ask what all this has to do with our speaker fabrics. Quite easy: Artists depend on support, and we are committed to supporting art in all its forms. So we decided to contribute to this extraordinary piece of art along with a couple of other companies such as Dayton Audio and Odeon. Our Acoustic Cloth, which is available in 42 colours, provided the opportunity to realise the inside of the »strangers’ attractor« exactly as it had been conceived by the artist.
For more information about George Koutsouris and his work, simply visit his Facebook page, which also documents the making of the exhibit.
The newly opened Kung Fu Studios in the hip Berlin neighbourhood of Kreuzberg are the latest top address for world-class hit productions made in Germany. Replacing the former Numarek sound studios, the new recording facilities are the residence of Marek Pompetzki, Paul NZA, and Cecil Remmler—presumably today’s most successful producer team in Germany.
The trio has ranked among the German top producers for several years now, and the three guys churn out productions that do not have to shy away from comparison on even the highest international level: The sound of German rapper Sido bears the mark of Pompetzki & Co. just as much as countless other recordings by artists such as Miley Cyrus, Kelly Rowland, Nico Santos, Max Herre, Cassandra Steen, Deichkind, or Ivy Quainoo … the list could go on for a while.
Recording technology and acoustics at the Kung Fu Studios meet the highest technical standards, of course. At the same time, the premises provide plenty of room for creative work and offer a convincingly appealing, pleasant work environment.
It goes without saying that the producer team also insisted on highest quality when it came to choosing the sound-transprent cover fabric for the acoustic cladding elements and absorbers in the recording and control rooms. That’s why they chose Acoustic Cloth by Akustikstoff.com in fig, anthracite, and other colours.
If you want to know more about the new sound studio, check out this interesting tour on Youtube.
Keeping receiver, BluRay player and other AV equipment hidden from the eye makes your AV setup look top stylish and much less cluttered. That’s exactly what our customer Marno Panis from Den Dungen in the Netherlands did with the help of a piece of our acoustic fabric in soft grey. “The result is beautiful”, he wrote happily.
A clear advantage of our acoustic cloth is its permeability to infrared light. It ensures that your remote control will work flawlessly even when all the equipment is hidden behind the handy speaker cloth, which also comes in convenient pre-cut pieces.
Of course you can also make a center speaker or a soundbar “disappear” to achieve a much more harmonious appearance of your AV furniture and equipment.
By the way: It only takes basic handicraft skills, some bits and pieces from the DIY shop, and our acoustic fabric to turn any run-of-the-mill shelf into a decent piece of AV furniture.
Da hatte ich versehentlich einem Kunden 1 Stück Akustikstoff zu wenig gesendet. Nach der Reklamation ging natürlich sofort eine Ersatzlieferung raus und wenige Tage später bekam ich ein Fax mit folgendem Wortlaut:
“Hallo Herr Mauelshagen! Ich möchte mich noch einmal bei Ihnen für die Lieferung, die sie so unkompliziert geregelt haben, bedanken. So etwas hat man heutzutage nur noch selten. Vielen Dank. Liebe Grüße M.S.”
Ab sofort werde ich in regelmäßigen Abständen an dieser Stelle die Lobgesänge 🙂 auf meine Produkte und Dienstleistungen anonym veröffentlichen. Es gibt immer wieder Kunden die mir mitteilen wie klasse sie den Service und/oder meine Produkte finden und ich bin davon überzeugt, dass es durchaus angemessen ist dies hier an dieser Stelle zu veröffentlichen.