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    External sound reinforcement articles 


    External sound reinforcement articles:


    • Phase alignment between subwoofers and mid-high cabinets (PDF, 2,4 Mb)
      Article by Joan La Roda, courtesy of DAS Audio

    • Setting up a cardioid subwoofer system
      (PDF, 2,4 Mb)
      Article by Joan La Roda, courtesy of DAS Audio

    • A game of numbers. Understanding directivity specifications
      (PDF, 2,3 Mb)
      Article by José (Joe) Brusi, courtesy of Brusi Acoustics

    Frequency response templates 


    The illustrations below are templates for measuring frequency response. The first is useful for third octave band analysis (old school 1/3rd octave "RTA"), the second being useful for full resolution analysis. 25 and 50 dB ranges are provided ...
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  • News

    Void introduces compact Cyclone 4 outdoor loudspeaker

    This addition to the IP-55 rated Cyclone series complements its fellow products in the range, offering a smaller, compact solution for outdoor venues and entertainment spaces.... Read more

    Crest Audio launches PCX Series of matrix processors


    MERIDIAN, MS — Crest Audio, a Peavey Commercial Audio brand, introduces the PCX Series of digital matrix speaker management processors. Each of the three units in the PCX Series offers reportedly best-in-class... Read more

    Adam Hall Hardware the AIRTAG HOLDER for use of Apple AirTags in flight cases


    Neu-Anspach, Germany – 9. August 2022 – A lost suitcase at the airport – annoying. A lost (or even stolen) flight case with expensive professional equipment – annoying, and also... Read more

    Solid State Logic X-Limit limiter plug-in

    Solid State Logic continues to expand its SSL Complete subscription offering with its latest plug-in, X-Limit. The new plug-in is available now in several formats including VST2, VST3, AAX... Read more
  • Recent articles

    Intelligibility and its measurement

    1. What is intelligibility?

    The state or quality of being understood. It can apply to an idea or a writing, but in our context it relates to the spoken word and, less commonly, to music.... Read more

    Choosing loudspeaker cable

    The importance of cables for the connection between the amplifier and the speaker is often controversial. Hi-fi aficionados spend fortunes on cables that promise spectacular results, and our short auditory memory and subjectivity lead many to confirm these improvements in their systems.... Read more

    Constant voltage systems (70V, 100V lines)

    Constant voltage, high impedance or line transformer systems are often a somewhat confusing concept for professionals used to rock and roll. They are actually very simple to design, among other things because they are intended to be installed by electricians and the like, with little experience in sound systems. In this article we will try to clarify the simple concepts needed to understand this type of system.... Read more
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