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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

    Solid State Logic expands 500 Series range



    Solid State Logic (SSL) has announced the introduction of two new modular processors as part of revitalising their 500 Series module range. The classic G-Comp Bus Compressor, E-EQ and E-Dynamics processing... Read more

    FaitalPRO debuts FE300 Series ferrite cone speakers

    FaitalPro has announced its FE300 series of high-power ferrite magnet cone loudspeakers with stamped steel basket.

    The series comprises 6” to 12” transducers, all with a 52mm (2.05”) voice coil. Finite Element Modelling (FEM) has been used to optimize the magnet assemblies, which... Read more

    RTS introduces DBP (Digital Beltpack) – new member of the RTS Digital Partyline intercom family

    RTS is pleased to announce the global introduction of DBP (Digital Beltpack) – the latest addition to the brand’s successful portfolio of OMNEO IP intercom solutions. DBP also joins the recently launched... Read more

    Renkus-Heinz expands C Series with CA/CX121M stage monitor

    Renkus-Heinz has announced the latest product in its C Series line: the CA/CX121M – a compact, and reportedly cost-effective, stage monitor.... 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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