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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

    Waves Audio adopts NDI for cloud-based productions with the Waves Cloud MX mixer

    Waves Audio announces support for NDI (the globally standardized video-over-IP technology) with the Waves Cloud MX Audio Mixer, a cloud-based audio mixer.

    The move to cloud-based broadcasting has accelerated... Read more

    Yamaha launches VXH Series pendant speakers

    Yamaha’s new VXH series combines high quality music reproduction with exceptional design, bringing enhanced audio to a wide range of commercial spaces where pendant speakers are the preferred solution, says the company.

    Sound... Read more

    JBL expands Control Contractor commercial series with eight new speakers


    JBL Professional announces an expansion of its Control Contractor Series of installed audio solutions, unveiling several new loudspeakers. The new products include wall-mounted speakers, pendant speakers and landscape speakers and... Read more

    Peavey Electronics unveils PVs Series subwoofers

    Peavey Electronics introduces PVs Series subwoofers for live applications. It consists of three models, PVs 18; PVs 15; and the compact PVs 12. Each unit begins with a... 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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