Audio Blog

Are you interested in modern trends in interior design? Do you prefer high quality to mediocrity? Then feel free to read on. In this article, we link the traditional role of fabrics in interiors, namely of luxury brocade, to its practical function: acoustic optimization of modern interiors. We will explain the basics of acoustics and show you how to add another very important yet invisible value to brocade fabric—acoustic absorption.

In this article, you will learn why a good audio power filter is essential these days, why we use latest nanocrystalline materials, how does a passive power filter help in audio and more.

Our new listening studio is not for listening experiences only. It provides us with a good enough space to carry out different experiments, measurements and tests. This article deals with background noise measurements of an audio system, in the hearable spectrum. Using a microphone, we measure the noise coming directly from the speaker. We are going to compare a real noise of an amplifier, once powered directly from the power grid, once using RD EMI Neutralizer power filter.

We bring you a comprehensive account of room acoustics tuning in our listening studio in Rožnov pod Radhoštěm. We have acquired a space in which we were able to realise our demanding requirements, ultimately leading to the best possible acoustic properties of the reference room.

We finished a third step towards a perfect listening space. A hybrid acoustic diffuser now covers almost the entire ceiling. We tried to make a photo of it, but even a wide 10mm lens could not capture it in its entirety.

The second step towards our new high end listening space is behind us.

We are about to have a new listening room! On our hands, there is a space a construction of which we will be able to alter in order to reach ideal room proportions and gain the best possible listening space. The articles will be written continuously documenting the birth of the room. Ample acoustic and electrical measurements included.

How and why does the grounding potential influence our audio system and how to improve it.

Would you like to know what interference occurs in the power grid? Why deal with filtration? To illustrate the issue, I made measurements at four different places. For comparison, I used a common EURO cable and RD Power Filter.

Enjoying rock climbing as a free time activity, I feel close to nature and its sustainability. As a company, we do not wish to simply slide on the ecological wave, we want to actually act.

To understand sound behaviour in closed space better, we have to get into a bit of theory.

The most perfect speaker systems will not deliver great results in lousy acoustic conditions. Are you interested in improving your room acoustics? Read on.

Why do our ears dislike the clean curve produced by an electronic tone generator?

Are external power filters useful in any way? Why are high quality EMI (electromagnetic interference) filters not a part of most consumer electronics devices? Should we care about high frequency interference, considering we cannot hear it or see it?

What is “electromagnetic compatibility”? Does it serve any purpose nowadays, or is it an anachronism? Why most consumer electronics cannot withstand a lightning strike

Is the term “skin effect” often arising in the audiophile world only a “voodoo fallacy”, or does this phenomenon, as described by J. C. Maxwell in 1892, really influence music reproduction?

Soon it will have been nine years since Ian Shepherd declared the Dynamic Range Day. Has something changed?

The principle of a horn cabinet (also known as horn baffle or transline) has been known for a long time. The Maya, the Celts and Egyptians (even in the predynastic period) were able to use the physical properties of a hollow animal horn

The unconvential Italian duet—Petra Magoni and Ferruccio Spinetti—released great audiophile album Complici in 2011.