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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 will not discontinue perpetual plugin licenses after all

    Statement from Waves Audio on their decision to discontinue perpetual plugin licenses, and instead shifting to an exclusive plugin subscription model, which was not well received by the audio community, so the company backtracked on the move.... Read more

    Crest Audio Stage 2x2D DI Dante network audio interface



    Peavey Commercial Audio has launched the Crest Audio Stage 2x2D Direct Injection Network Audio Interface. The Stage 2x2D is a feature-rich DI box, PoE -... Read more

    KGEAR by K-array introduces new GF Loudspeakers and GM44 Matrix at ISE 2023

    KGEAR by K-Array has added two new models to its GF family of columns: the GF42 (4 x 2″) and GF162 (16 x 2″). These new models offer different... Read more

    2012 and 2015 pencil mics from DPA

    DPA Microphones unveils its compact 2012 Cardioid and 2015 Wide Cardioid Microphones. Featuring a reinforced construction said to withstand the rigors of touring, the new mics target instrument pickup applications.... 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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