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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

    Martin Audio announces addition to Torus Series


    Back in 2021, in the midst of the pandemic, Martin Audio unveiled their first constant curvature loudspeaker array, TORUS, featuring two variants T1215 and T1230, which reportedly outstripped the company’s initial projections... Read more

    Lavoce introducing new components at ISE 2023


    Lavoce Italiana is introducing a ferrite common HF/LF magnet coaxial as well as their first ever annular diaphragm HF compression driver at ISE 2023.

    DN10.143 and DF10.143 compression drivers were created by optimising the complex methodology of annular... Read more

    Meyer Sound introduces 2100-LFC subwoofer

    Meyer Sound announces the 2100-LFC subwoofer ('low-frequency control element' in Meyer-speak) for the Panther large-format linear line array loudspeaker.

    By pairing a Class D amplifier with a single, all-new 21-inch driver with four voice coils [Ed.- maybe... Read more

    Yamaha launches portable STAGEPAS 200 loudspeaker system

    Yamaha Corporation has announced its latest portable, professional PA, the compact and feature-packed STAGEPAS 200.

    A 1.4” HF + 8” LF coaxial compression driver is powered by a 180W Class D amplifier. An onboard, five-channel (3 mono mic/line and 1... 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
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