We write not only about news from the audio world, but also about issues related to our products, about not-so-well-known concepts from the field of electrical engineering, or about ingrained superstitions without technical justification. You can also find out about new and precise recordings that we like.
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 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 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.
Would you like to know what interference occurs in the power grid? Why deal with filtration? To illustrate the problems, I have made measurements on four different places. For comparison, I went with a common EURO cable and the RD Power Filter.
Soon it will have been nine years since Ian Shepherd declared the Dynamic Range Day. Has something changed?
The unconvential Italian duet—Petra Magoni and Ferruccio Spinetti—released great audiophile album Complici in 2011.
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