In 2021, we're entering our 32nd year.


We've evolved from having only German team members to bringing together different nationalities from three continents.


Regardless of many changes over the years, we've stayed true to our original focus on "time-coherence", advocated by our founder Michael Weidlich and carried out consistently in his long career of loudspeaker development.


When it comes to production, Mr. Weidlich always goes the extra mile in ensuring that all our components are of supreme quality and manufactured by reputable companies with an excellent track record, mainly within the European Union.


Although we're proud of the numerous outstanding test reports given to us and the awards we've won, what's really kept us moving forward is the never ending stream of heart-warming customer feedback. We appreciate it very much and hope to deliver even better value in the future.

What is the basis of a sound impression?


We hear changes in the pressure of the medium surrounding our ears. The sequence of incoming vibrations provides the information for the sensory perception and the detection and location of the sound sources. This information is the basis for a sound impression.


If something changes in the sequence of the vibrations, the sound changes. Sound transmission is information transmission!


Let's look at natural sound events. The three graphs below are from a percussion instrument. Depending on the type of stroke and the damping of the vibrations, the sound character changes.



A natural sound event begins with a transient, a characteristic sound and then subsides in the direction of the sound source's resonance. The first waves are the loudest sound vibrations in natural sounds. The ear reacts to an abrupt pressure change with greatly increased nerve activity. This is an indication of how important these first sound waves are to our perception. The transients and other short sound events usually reach the listener as direct acoustic sound without influence from the environment.


Clapping of the hands


The first graph below shows the sound waves from clapping. It is an extremely short sound event. Sound events of this length are completely transmitted as direct sound. Spatial influences have no influence on the transmission of the information at all. You've probably already experienced how different speakers sound when reproducing applause. The reason is that applause is a sound with virtually no post oscillation. The pop of hand clapping has no poriodic signal components and the decay is very muted. Loudspeakers must therefore be able to reproduce the correct waveforms within the first millisecond.


For comparison - the step response of a loudspeaker shown in the second graph below is always longer than that of the clapping.




Before I saw Michael at work for the first time, I had no idea at all what loudspeaker development meant. Although I enjoyed listening to music sometimes, and had my fair share of good and bad experiences of loudspeakers in the past, they’d never been an object of fascination for me.

One summer evening, as a few of us were shooting the breeze at a modest restaurant and bar in town, the background music there caught my attention. It had such a powerful vividness and clarity I’d never come across in all my previous years of listening to music, let alone in a restaurant and bar. I remember making a comment about it, and an enigmatic smile flickered in Michael’s eyes before he told me that their loudspeakers were made by him. I’d never forget that moment.

Since then I’ve been exposed to a multitude of his loudspeaker models in different environments, from cozy living rooms to funky cinemas to professional recording studios. My journey of discovery has been an eye-opening one. “Time-coherence” is no longer just a foreign, technical jargon but something I’ll definitely be looking for in loudspeakers for myself and my loved ones.

In almost a year (and counting) of social distancing and staying put, I’m glad I have the company of great music that still brings hearts and spirits together even when people are physically apart...

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Tel: +49 5084 949 1394

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