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A/V features

  • Friday, October 21, 2016
    Mike Rivers 10/21 11:54 AM,
    This article is provided by PreSonus.   The significance of balanced and unbalanced connections between audio devices, as well as the meaning of the terms, is often misunderstood. A balanced output can be designed, constructed, and connected in many ways, and there are several ways in which balanced and unbalanced devices can be interconnected. Balanced connections have a long history that dates back to the early days of telephony. The phone company runs thousands of miles of unshielded cable between… View this story
    Filed in: AVFeatureStudy HallAVEngineerInstallationInterconnectSignalSound ReinforcementStageStudioSystemTechnician

  • Thursday, October 20, 2016
    Craig Leerman 10/20 01:42 PM,
    The Turbosound iNSPIRE iP2000 is a loudspeaker system comprised of modular, full-range column arrays and a companion 12-inch subwoofer. Each column array is comprised of 16 cone drivers plus a horn-loaded super-tweeter that can be easily mounted on the sub, locking to it and thus eliminating loudspeaker stands and cables. The iP2000 is outfitted with proprietary Klark Teknik SST (Spatial Sound Technology) for helping to create enhanced 3D acoustic environments as well as DSP presets for application type and loudspeaker… View this story
    Filed in: Live SoundFeatureVideoReviewAVLine ArrayLoudspeakerProcessorSound ReinforcementSubwoofer

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    Pat Brown 10/20 07:03 AM,
      The most common reference distance for loudspeaker SPL specifications is 1 meter (3.28 feet). The choice is one of convenience – any distance will do. The 1 m reference simplifies distance attenuation calculations by eliminating the division required in the first step:   Loudspeakers must be measured at a distance beyond which the shape of the radiation balloon remains unchanged. The changes are caused by path length differences to different points on the surface of the device. These differences… View this story
    Filed in: AVFeatureBlogStudy HallAVLine ArrayLoudspeakerManufacturerSignalSound Reinforcement

  • Tuesday, October 18, 2016
    Dennis A. Bohn 10/18 12:13 PM,
    This article is provided by Rane Corporation.   Constant-voltage is the common name given to a general practice begun in the late 1920s and early 1930s (becoming a U.S. standard in 1949) governing the interface between power amplifiers and loudspeakers used in distributed sound systems. Installations employing ceiling-mounted loudspeakers, such as offices, restaurants and schools are examples of distributed sound systems. Other examples include installations requiring long cable runs, such as stadiums, factories and convention centers. The need to do… View this story
    Filed in: AVFeatureAmplifierAVInstallationInterconnectLoudspeakerPowerSignal

  • Wednesday, October 12, 2016
    PSW Staff 10/12 12:28 PM,
    Editor’s Note: Here’s an interesting thread from the PSW Live Audio Board (LAB) forums. It’s lightly edited for grammar and formatting. Enjoy. Posted by Brian Ever since digital consoles came out along with their attendant editing programs, everyone has joked about how one day we’ll be mixing shows from our house. Well, this week I took a large step in that direction by mixing a show in London from a comfortable seat in Washington DC. I should say this was… View this story
    Filed in: AVFeatureForumAVConcertDigitalMixerMonitoringSound ReinforcementStageSystem

  • Monday, October 10, 2016
    church sound
    Chris Huff 10/10 06:30 AM,
    This article is provided by Behind The Mixer.   One button that still looks pristine. No fingerprints. No worn finish. It doesn’t even have a name. Working in audio, it’s easy finding my way into a foreign sound booth. It could be it’s my station for an event or it might be that I’ve been invited in by the sound tech on duty.  Over the years, I’ve noticed one button that’s often not used. It’s the fixed-point high-pass filter button… View this story
    Filed in: Church SoundFeatureBlogStudy HallAVConsolesSound ReinforcementStage

  • Friday, October 07, 2016
    Craig Leerman 10/07 08:21 AM,
    Sometimes the differences between a good and a great system design are the “little things” like cables, connectors, mounts, stands, rigging, and so on. So let’s shine a bit of light on these often overlooked aspects. Loudspeaker cables come in many styles and lengths but they all do the same thing, which is to provide two conductors to connect a passive loudspeaker to its respective amplifier output. The rule of thumb is simple: “Use the largest gauge cable possible and… View this story
    Filed in: AVLive SoundFeatureBlogStudy HallAVInterconnectLine ArrayLoudspeakerSignalSound ReinforcementSubwoofer

  • Thursday, October 06, 2016
    Jonah Altrove 10/06 08:42 AM,
    It may not seem so at first blush, but there are a few concepts as pervasive in live audio as the concept of impedance. It’s relevant to microphones, direct boxes (DIs), preamps, processors, amplifiers, loudspeakers, equalizers, crossover filters, and even the cables that connect them all together. In this article we’ll explore the principles of impedance, and examine how these concepts apply directly to our work in the field. Ohm Sweet Ohm In order to understand impedance, we need to… View this story
    Filed in: AVFeatureBlogStudy HallAVInterconnectLoudspeakerMeasurementMicrophoneSignalSound Reinforcement

  • Wednesday, October 05, 2016
    Pat Brown 10/05 07:27 AM,
      Suppose you bought the best subwoofer that money can buy. Its response is amazingly smooth and extends down to 20 Hz. You hook it to your power amplifier with automotive jumper cables, and warn the neighbors to make sure that small children and pets are indoors, because you are about to do some serious low-frequency listening. You fire the system up and insert the DVD test disc, the one with low-frequency sweeps that allow the smoothness of the system’s… View this story
    Filed in: AVFeatureBlogStudy HallAVLoudspeakerMeasurementSignalSubwoofer

  • Thursday, September 29, 2016
    The Tell-All Tech 09/29 06:43 AM,
    Some would say we’re taken for granted. Others might say we’re misunderstood. Still others occasionally say “thank you.” Who are we? Your humble servants, equipment service technicians – or “service techs” for short. Is it true that we stick pins in power amp dolls while dancing naked under the full moon with bones through our noses in order to get your gear repaired to working order? Or how about the rumor that we collect large bags of cash for a… View this story
    Filed in: AVFeatureOpinionAVBusinessInstallationSound ReinforcementTechnician

Audio Central