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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. ...
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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.
    ...

    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.

    The truth is that there are very few serious studies on the importance of the cable in relation to the perceived sound quality. A cable has impedance (opposition to electric current as a function of frequency), capacitance (behaves to some extent like a capacitor) and inductance (behaves like a coil). However, a few years ago an AES article concluded that the differences between cables were very small in terms of capacitance and inductance, and only recognized the importance of impedance.

    ...
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    Constant voltage or high impedance 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. ...
    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. ...

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    Shure introduces SLX-D digital wireless system

    The SLX-D Digital Wireless System is the newest addition to the Shure digital wireless portfolio. The new offering is the digital replacement of the company’s SLX system,... Read more

    dBTechnologies VIO L1610 3-way line-array system



    Italian pro audio manufacturer dBTechnologies has launched a new member of the VIO family: a compact 3-way active line array system equipped with 2x10” woofers and 1 coaxial MF/LF compression driver.

    VIO L1610 is a three-way active line-array system, entirely equipped with neodymium components:... Read more

    ID14, the smallest loudspeaker in Nexo's history

    Despite constraining regulations on its production processes, NEXO has just unveiled a new point source speaker. The smallest loudspeaker design in the company’s 40-year history, the new ID14, and its S108 partner... Read more

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    Waves Audio Announces the FIT Controller for the eMotion LV1 Live Mixer

    Waves Audio, developer of audio signal processing technologies and audio plugins, announces the Waves FIT Controller for the eMotion LV1 Live Mixer.

    FIT is a hands-on control unit... Read more
  • Recent articles

    Parallel and series connections: description and calculations

    In this article we'll explain impedance calculations as simply as possible, as well as describe the different types of connection.... Read more

    Loudspeaker impedance

    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... Read more

    Balanced and unbalanced connections

    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
    ... Read more
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