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    Power grid interference: What does it look like measured with different tools?

    If you're interested to see what power grid interference looks like, take a look at the videos below, or a comprehensive article about it here: https://rdacoustic.cz/en/blog/2021/04/30/f4sx-audio-power-filter/ (explains in detail what I did here and includes background info + why is it important...
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    Measuring Power Grid Interference in Practice

    We measured the high frequency noise in the power grid. The voltage going to the measuring kit is conducted by a common EURO cable and the RD Power Filter in order to compare their efficiency. I have made measurements on four different places for comparison. Read more at...
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    Interesting article about room acoustic

    I'd like to share an interesting article with pictures and animations https://www.rdacoustic.cz/en/blog/2019/03/30/acoustics-theory-sound-behaviour-in-closed-space/
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    High End speakers Evolution - full range, back horn

    link High End speakers Evolution are designed for truthful stereo 2.0 listening. The Evolution speakers are characterized by full details, excellent localization and spaciousness of musical instruments. Evolution speakers contain only one speaker driver with very high sensitivity and unique...
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    Euphoria High End speakers - RDacoustic

    http://www.rdacoustic.cz/en/high-end-speakers/high-end-speakers-euphoria/

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