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    One of the many confusing issues in professional audio is that of loudspeaker power handling. On one side, manufacturers use a variety of terms such as peak, RMS, average or program power. On another side, there exist differing methods to determine the power handling of speaker system or component which yield different results. We will ...
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    It not uncommon to have the need to control the volume (dynamics) of a signal in an automated way.

    We may be trying to avoid too high a level that will clip an amplifier or deafen the audience or send a speaker cone excursing to hyperspace. ...
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    This article will go through compressor controls and how to use them for a variety of applications. ...
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    In this article we'll go through noise gate control and how to use them in different applications. ...
    Publicado el 08 jun 2020 07:22   
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    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. ...

    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.

    ...
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    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. ...
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    Measured in ohms (symbol, Ω, upper case Greek letter omega), electrical impedance is defined as the opposition to the flow of alternating current by means of presenting an electrical load. In a loudspeaker, impedance varies with frequency, so manufacturers often publish "impedance curves" showing impedance with frequency for passive units. These curves give us ...
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    There are two basic ways to carry an electrical audio signal.


    • The first one is unbalanced. The signal is carried on a two-conductor cable. Unbalanced signal connectors have two pins, such as the RCA (also called Phono and Cinch, commonly used by home hi-fi equipment) and the unbalanced 1/4" (used in musical instruments and semi-professional audio). Multi-pin connectors can also carry unbalanced signal, although they will not use all pins). For example, a three-pin XLR (Cannon) might carry an unbalanced signal, leaving one pin unused.
    ...

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    JBL Professional debuts SRX900 Series sound systems

    JBL Pro yesterday introduced the SRX900 Series of powered line arrays. The family, which includes dual 6.5-inch and dual 10-inch powered line array elements and 18-inch and dual 18-inch powered subwoofers, is targeted at rental companies, fixed installations and musicians.
    ... Read more

    L-Acoustics Launches Ambiance Virtual Acoustics System

    L-Acoustics announces the launch of the L-ISA Ambiance virtual acoustics enhancement system. Ambiance uses L-Acoustics loudspeaker systems, microphones, and an advanced 3D Room Engine powered... Read more

    Shure introduces MXA920 ceiling microphone array


    Since 2016, Shure has produced networked array microphones, with model MXA910 being a popular choice in corporate, education, and government meeting spaces. Now, Shure has introduced... Read more

    Blaze Audio announces new amplifier range for commercial installs


    Blaze Audio (a brand of commercial power amplifiers from Pascal Audio, the amp module maker) has announced PowerZone Connect series of commercial amplifiers, reportedly "designed to make life easier for AV installers and Systems Integrators". Once the... 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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