Exciting Large Structures: Introducing the Qsls Suspended Large Shaker

The Qsls suspended large shaker is an innovative solution for vibration testing, boasting a patented combination of shaker suspension and force generation. Designed for precision and efficiency, it is capable of handling test objects ranging from 50 to 40,000 kg, delivering a powerful force level of 80 N RMS. This makes it ideal for testing large and very large structures with unmatched accuracy.

Replacing traditional bulky shakers and sledgehammers, the Qsls offers a streamlined and efficient approach. Its self-aligning design eliminates the need for external supports, speeding up the testing process while ensuring accurate results. Mounted directly onto the test structure, it can be glued in any orientation, making it versatile enough to fit tight spaces, such as those around machinery.

What truly sets the Qsls apart is its combination of high force density and narrow design. This allows it to perform effectively even in challenging environments, offering practical solutions where other shakers fall short. Integrated force sensors, along with advanced mechanical, thermal, and electrical protections, ensure both reliability and durability.

Compact yet powerful, the Qsls suspended large shaker offers a new level of practicality and accuracy for modern vibration testing, redefining industry standards. It’s the perfect solution for those who value precision, efficiency, and versatility in testing large structures.

Check out the Qsls product page.

Transforming High-Frequency Vibration Testing: Qhsh – combining accuracy with ease of use

Experience the evolution of vibration testing with our groundbreaking Qhsh high-frequency shaker. Designed to surpass the limitations of traditional shakers, the Qhsh brings precision, efficiency, and user-friendly innovation to the forefront.

Our two short videos dive into the advantages of the Qhsh, showcasing how it delivers improved measurement accuracy while simplifying the testing process. With advanced technology, the Qhsh ensures reliable data collection, cutting down the time and effort involved in vibration tests. This results in significant time and cost savings, making it an ideal choice for professionals seeking excellence and efficiency.

Traditional shakers often come with challenges, such as inconsistent results and cumbersome procedures. The Qhsh eliminates these pain points with its streamlined design, providing more accurate measurements and a smoother workflow. Whether you're conducting research, quality control, or experimental testing, the Qhsh empowers you to achieve superior outcomes with less hassle.

Discover the future of vibration testing with the Qhsh high-frequency shaker. Watch our videos to see how it can transform your testing experience, saving you time and money while ensuring the accuracy you need.

Innovation and ease of use have never been this attainable!

More details on the Qhsh product page.

Meet Qohm - our Wide-Range Dodecahedron Source

The Qsources Qohm source is revolutionizing the way acoustic professionals approach sound testing. Designed with precision and versatility in mind, this advanced dodecahedron sound source is your ultimate companion for acoustic measurements across various environments—from classical theaters to industrial factory halls, schools, offices, and even residential spaces.

What sets the Qohm apart? Its cutting-edge Qp4 driver technology. This innovation enables the source to deliver powerful sound radiation across all third-octave bands, starting from as low as 50 Hz. Unlike any other compact dodecahedron sound source on the market, Qohm achieves unparalleled sound power output, eliminating the need for a separate subwoofer in building acoustics evaluations.

Weighing just 3.1 kg, the Qohm is incredibly lightweight and portable, making on-site testing more efficient than ever. The compact size also enhances omni-directionality, exceeding ISO 16283 standards and ensuring accurate and reliable measurement data. With sufficient levels across all frequencies starting at 50 Hz, concerns about background noise are a thing of the past.

For professionals constantly on the go, the Qohm offers unmatched convenience. Whether traveling by taxi, train, or plane, bringing the full equipment set to your test site is finally a breeze.

The Qsources Qohm source is the perfect blend of innovation, functionality, and portability—elevating acoustic testing to new heights. Ready to experience the future of sound measurement? Qohm has you covered!

Want to learn all the details of the Qohm? Check out the product page.

Working with Weles Acoustics on product improvement

At Qsources we are constantly working on the further improvement of our existing products and the development of new exciting products ! As part of the improvement of our Qohm - lightweight omni-directional sound source we worked together with Weles Acoustics. Using the WA301 three dimensional sound intensity probe, Weles Acoustics performed a detailed spatial radiation analysis which gave us further good insights in performance of the Qohm and how we can make this product even more the benchmark in the world of omni-directional sound sources. Thank you Weles Acoustics for the excellent co-operation !


More info on Weles Acoustics' WA301 sound probe

More info on Qsources' Qohm omni-directional sound source

Always great to support the academic world !

Through our German partner Sinus Messtechnik we supplied our Qohm - omnidirectional sound source to the Vibration and Acoustics Laboratory of the Alanya University in Turkey. Researchers at the laboratory commented "We have done various tests with the sound source and we are satisfied with the performance of both the sound source and the amplifier. The installation of the equipment is very simple, all we need is an electrical connection. Through the amplifier, we can generate white and pink signals without the need to connect a computer".qohm
Interested to find out more about how our Qohm can support your efforts have a look at our Qohm product page

Qsources at ISMA 2024

Reflecting on an Inspiring Experience at the ISMA2024 Conference and Exhibition!
As we look back at the ISMA2024 conference In Leuven, we at Qsources are filled with excitement! It was an incredible opportunity to connect with existing and potential partners/customers and showcase our structural excitation product range.
A big thank you to everyone who visited our booth and congratulations to everyone who had a go at guesstimating the frequency generated by the Qsls Suspended Large Shaker mounted on the Qsources bicycle !

Want to learn more about our structural excitation product range? Have a look at:

Introducing the New Qoms2 - Monopole Omnidirectional Sound Source

We are excited to announce the launch of the enhanced Qoms2 sound source! This new version is even more powerful while remaining extremely lightweight (1.7 kg) and compact design. Operating in the frequency range of 50 Hz to 16 kHz, the Qoms2 now delivers a sound power level of 112 dB Lw (up from 109 dB), enabling highly accurate broadband measurements.
This sound source is ideal for various acoustic measurements, including room impulse responses, speech transmission index and reverberation time. These capabilities help consultants optimize the acoustics of performance venues such as theaters, schools, and religious sites for both speech and music.
For more details, please visit our product page:

Qsources LightWeightShaker – gamechanger at the University of Technology Sydney

Qsources LightWeightShaker – gamechanger at the University of Technology Sydney Dr. Ben Halkon – Associate Professor at the Faculty of Engineering and Information Technology at the University of Technology Sydney (UTS) shared with Qsources his feedback following the acquisition of Qsources Qlws – LightWeight Shaker. Dr. Ben Halkon stated: “The Qlws LightWeight Shaker we have has genuinely been a game-changer for us – thank you Qsources ! It has worked especially well with the Scanning Laser Doppler Vibrometer which is highly complementary hardware for lightweight structures. I have never before seen such a strong COH function across such a wide frequency range as that which we achieved with these two devices in combination! The mode shapes that we were able to process were similarly some of the most normal looking modes I have ever seen from EMA and, combined with the fine spatial resolution available, were more akin to those you would expect to get from FEA! Incredible” Dr. Halkon further added: “I wanted to prepare a video series to help our relatively inexperienced, transient users understand what is in the box and what to do with the Qlws and how to use it properly.”
Peter van der Linden – managing director of Qsources – commented: ” Most of the time we do not see what our customers do with our excitation equipment. It is great to see such an experience by Dr. Ben Halkon with the Qlws shaker at the UTS.”

Interested to have a look at the videos ? Please check part 1 and part 2. A third video is on its way !

Qsources monopole sound source to improve sports performance

SonIQ is an acoustic consultancy company specialized in building and room acoustics based in Belgium. Through Qsources’ distributor Akron SonIQ initially purchased the Qtap – lightweight tapping machine which then was followed by a trial of our Qoms2 – monopole sound source. SonIQ really liked our lightweight solution and decided to acquire the source directly following on from the positive user experience during the trial !

The source was immediately put at use in the acoustic optimization of a series of sports halls throughout Flanders. Bart Van de Velde, owner of SonIQ, explains: ‘The measurement sessions had two main objectives. Firstly the reverberation time T30 in most sports halls is higher than the allowable norm whilst the users do not always experience this as a problem. Additionally the reverb time as measured is higher than the calculated value as a result of a flutter echo and the avoidance of this echo is difficult to predict.” Bart further detailed SonIQ’s choice for the Qoms2 in doing these measurement: ” The Qoms2 offers a very high combined sound power level combined with extreme light weight whilst the point source characteristics are a great advantage definitely in the analysis of reflections. The overall set is complete (including the high quality tripod and transport bag) which provides for easy handling of the equipment”. Bart concluded by stating: “We look forward to doing additional measurements with the Qoms2, formulating our recommendations and, hopefully, improving Flemish sports performance ! Find out more on how our Qoms2 can improve your performance ? https://lnkd.in/ehYMj7FM


Find out more on SonIQ acoustic consultancy services ? https://son-iq.be

Marubun to showcase Infra-Qsources products at inter-noise 2023

Marubun, our Infra-Qsources partner for Japan, will be participating at the inter-noise 2023 exhibition. inter-noise 2023 will be held in Chiba, Greater Tokyo during 20-23 August under the theme of “Quieter Society with Diversity & Inclusion”.

You can find Marubun at booth 2 where Naoki Sugawara and his colleagues will be more than happy to present you with our range of omni-directional sound sources and amplifiers for your building and room acoustics applications.

Working with the University of Zagreb

Recently the Faculty located in Zagreb acquired a set of our Qohm – lightweight omni-directional sound source and Qam – measurement amplifier.

Srećko Arandia-Krešić, PhD student at the Faculty, commented: “We have now done different experiments with the equipment and we are very happy with the performance of both the sound source as the amplifier. The equipment is efficient and easy to use. We have now also integrated these products into our standard acoustics course at the faculty”.

Peter van der Linden, managing director of Qsources, stated: “It is always nice to see that one of our sources has gone to a university. New ideas and new requirements are born there and this leads to new ideas on our side too. We are obviously very pleased with this feedback on the performance of our products from the university of Zagreb. At Qsources we try to support universities and research institutes to make it feasible to use and acquire the state of the art excitation equipment. ”

DAGA 2023 participation

Another two weeks before Acoustics DAGA 2023 in Hamburg from 6 to 9 March 2023 where we will be showcasing our Infra-Qsources product range. Look out for our Qohm – extreme lightweight and high power omni-directional sound source and our Qoms2 – the perfect sound source for room acoustics measurements !

Come and have a look at stand 39 (which this year we are sharing with Weles Acoustics) or for an individual appointment, please send us a quick message via qsources@qsources.be

Co-operation with Balaz Bauphysik

Balaz Bauphysik and Qsources met for the first time at the DAGA conference in Stuttgart in March 2022 where Agostino Troll – acoustician at Balaz Bauphysik – was immediately impressed by the excellent sound power to weight ratio of the 3.1 kg Qohm omni-directional sound source. Both companies kept in touch which resulted in the purchase of the Qohm – sound source and the Qam – amplifier by Balaz Bauphysik.

Balaz Bauphysik has been using the Qsources equipment for doing different types of measurements.

The sound source and amplifier combination was used in the reverberation room at the Fraunhofer Institute for Building Physics (Stuttgart) as well as on different construction sites. Agostino commented: “Qsources Qohm sound source is great for measurement of transmission losses in buildings in a wide frequency range. Light weight combined with a fantastic sound power output. Great job by the Qsources team!”. Agostino further added “We had a minor issue with the remote control of the Qam amplifier which Qsources resolved very quickly; good customer service.”

Peter van der Linden – Managing Director of Qsources commented: “We much appreciated the direct customer feedback from Balaz Bauphysik. This helps us to further improve our product offering and helps us deliver capable customer service. We are proud to have Balaz Bauphysik as one of our Qohm/Qam customers!”

Interested to find out more about Balaz Bauphysik please check out their website: https://www.bpt-ingenieure.de/

HEAD acoustics showing excitation with multiple Qsources light weight shakers on a smart cleaner device

The sound emission of the new autonomous devices surrounding us is specially critical. On the cleaner device, shown on the HEAD acoustics booth, several excitation locations were prepared. The set up shown on Sensor and Test in Nuremberg Germany allows application of various techniques, contribution analysis, FE model correlation, etc.  

Extension of Polytec’s portfolio with a Qsources structural excitation solution

  • Vibration Measurement system offering

  • Small exciters, +/-25 mm, for limited spaces and covering a broad frequency range from 250 Hz, or lower, up to 13000 Hz.

  • Providing an versatile and stable excitation for  moderately sized structures and systems.

  • Ideal addition to the Optical Vibration Measurement solutions currently offered by Polytec.

 
 

Polytec was founded in 1967 in Germany as a distributor for optical measurement technology in industrial and research markets. Today the Polytec group has about 400 employees, 12 international facilities and 25 distribution partners in 60 countries and specializes in the technological fields of Vibrometry, Velocimetry, 3D Surface Metrology, Process Analytics, Image Processing and other optical systems.

Polytec today announced that it will include the Qsources Qlws lightweightshaker and dedicated amplifier Qma as part of the product range aimed at providing Optical Vibration Measurement solutions.

“Qsources electrodynamic shakers are the ideal complement to Polytec’s non-contact vibration measurement systems. With Qsources’ patented technology, we are able to offer our customers an easy-to-use, highly accurate and compact excitation source for their vibration investigations” commented by Eric Winkler, Vice President and Head of the Business Unit Optical Measurement Systems at Polytec.

Qsources, located in Belgium, is focusing on both structural and airborne smart excitation technology. The sensor integrated and patented excitation solutions are used in various challenging applications.  Across electronics, medical, automotive, aero-space, household, defence, room acoustics,…  various application domains are covered. Through its solutions, and way of working, Qsources hopes to contribute to a comfortable, healthy and safe environment. 

The Qsources Qlws lightweightshaker is a patented self-suspending, self-aligning dynamic decoupled electromagnetic shaker specifically developed to carry out consistent repeatable structural excitation in a limited space. The Qlws shaker is combined with the dedicated Qma single channel amplifier allows for consistent, repeatable and accurate transfer function measurements.

“It is impressive to see the possibilities created by non-contact surface scanning in combination with controlled excitation. We are looking forward to work with Polytec.  The different areas of application covered by Polytec’s Optical Measurement division allow a significant extension of the reach of our excitation solutions. This further builds on our goal of supporting our customers to efficiently improve their products” stated Peter van der Linden, founder and managing director of Qsources.

For more information on Qsources, please visit: https://www.qsources.be/

For more information on Polytec, please visit: https://www.polytec.com/eu

HEAD acoustics expands its portfolio with Qsources structural excitation solution

  • HEAD acoustics to include the Qsources’ Qlws lightweight shaker, and supporting amplifier, into its structural analysis solutions

  • Qsources excitation solution for efficient and accurate transfer function data gathering to support modal analysis, transfer path analysis and model correlation applications

  • Small exciters, maximum dimension smaller than 25 mm, for limited spaces and covering a broad frequency range from 250 to 13000 Hz

  • Providing an excitation solution for many moderately sized systems in the sound quality critical frequency range.

 
 

HEAD acoustics, one of the world’s leading providers of holistic solutions for sound and vibration analysis, today announced that thanks to specific cooperation with Qsources, it can now include the Qsources Qlws lightweight shaker and dedicated amplifier Qma for its solution offering world-wide.

This comprises an interesting and significant extension of the HEAD acoustics’ product portfolio by offering a total solution of structural excitation, data acquisition and analysis software.

“We continuously develop our hardware and software to provide our customers with advanced holistic solutions. Thus, expanding our portfolio with a Qsources shaker is a natural step. The Qlws lightweight shaker ensures the efficient and accurate acquisition of transfer functions and supports both modal and transfer path analyses. This more profound understanding of vibration characteristics is the basis for optimizing the sound quality of our customers’ products,” says Dr.-Ing. Aulis Telle, Managing Director Sound, Vibration and Perception at HEAD acoustics.

Qsources, located in Belgium, is focusing on both structural and airborne smart excitation technology. The sensor integrated and patented excitation solutions are used in various challenging applications. Across automotive, medical, aero-space, household, room acoustics,… various application domains are covered. Through its solutions, and way of working, Qsources hopes to contribute to a comfortable, healthy and safe environment. 

The Qsources Qlws lightweight shaker is a patented self-suspending, self-aligning dynamic decoupled electromagnetic shaker specifically developed to carry out consistent repeatable structural excitation in a limited space. The Qlws shaker combined with the dedicated Qma single channel amplifier allows consistent, repeatable and accurate transfer function and data acquisition.

“We at Qsources are excited to support HEAD acoustics with this excitation solution. The worldwide contacts and the expertise of HEAD acoustics enable us to reach professionals working on improving the sound of their products. Many kinds of devices, machines, and objects surrounding us could benefit from the diagnostic and optimization techniques based on transfer function data. Working with HEAD acoustics, Qsources can bring accurate and efficient vibration excitation as part of the solution.” adds Peter van der Linden, founder and managing director at Qsources.

For more information on Qsources, please visit: https://www.qsources.be/

For more information on HEAD acoustics, please visit: https://www.head-acoustics.com/

Qsources’ position on the invasion of the Ukraine by Russia

We, at Qsources, are convinced that the current attack and lasting partial occupation of Ukraine by Russia is a danger to all democratic and free countries in Europe and worldwide.  This is a catastrophe for the Ukrainians but also in a lesser degree for most Russians, both are paying the price for this.

At Qsources we are implementing whatever we can to prevent that we contribute to the financing the current Russian regime.  To be extended:

  • no more tanking at LukOil

  • limiting our carbon based energy consumption (of all sorts) to a minimum

  • scanning our supplier base for Russian ownership, regardless of the location of production

  • we will also no longer supply any products nor services to Russia as long as the current regime is in place


Let’s be clear !  In our view Russia has no right to occupy territories outside of Russia. Given the blatant lack of respect for international law and human rights we are in favor of suspension or cancellation of the rights with regards to the ownership and rights of residence for all Russians outside Russia who have profited and done well under the current regime.