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Articles Tagged Loudspeaker World

  • Tuesday, January 17, 2017
    live sound
    Bob McCarthy 01/17/17 08:20 AM,
    A few years ago, I attended two “straight” plays, i.e., the kind without musicians. Such events are all about the dialog (and the lighting, of course). One production had no discernible sound reinforcement and the other had totally overt and apparent microphones, loudspeakers and amplification, thereby opening an opportunity for me to compare and contrast. One play was Shakespeare’s King Lear. Historians still dispute the identity of Shakespeare, but all agree that these plays were written without a sound system… View this story
    Filed in: Live SoundFeatureBlogOpinionConsolesEngineerLoudspeakerMicrophoneProcessorSound ReinforcementWireless

  • Tuesday, January 10, 2017
    subwoofers
    Craig Leerman 01/10/17 12:11 PM,
    Today’s music and special effects (like explosions in motion picture soundtracks) include a lot of low-frequency content. While larger full-range loudspeakers may have a wide frequency range, it takes subwoofers to really reproduce low end with impact, especially for bass-heavy music like electronic dance (EDM) and reggae. Deployment of main loudspeakers is usually a relatively straightforward matter, but locating and configuring subs presents numerous options and can be a bit of a challenge. Let’s start with the basics. Subwoofers are… View this story
    Filed in: Live SoundFeatureBlogStudy HallLoudspeakerMeasurementProcessorSound ReinforcementSubwoofer

  • Thursday, January 05, 2017
    image
    Ken DeLoria 01/05/17 01:03 PM,
    Over the years many have debated the relative merits of “looking at screen traces” on an analyzer versus using human hearing to determine how a loudspeaker, or an entire system, actually performs. While both practices are of course valid, it’s extremely difficult for the human ear to detect, characterize, and correct small deviations in frequency and phase response, and even harder to characterize driver distortion in a meaningful manner. Likewise, the ear is often stymied when attempting to typify transient… View this story
    Filed in: AVFeatureBlogStudy HallAVDigitalLoudspeakerMeasurementSignalSystem

  • Tuesday, December 06, 2016
    church sound
    Mike Sokol 12/06/16 07:58 AM,
    Provided by Live Sound Advice.   Few things can affect the quality of a sound as loudspeakers being out of polarity. You can lose bass response, cancel out vocals and cause general phase mayhem in a sound system. There are many ways to determine polarity; however, here’s a very inexpensive and easy solution to test for proper wiring inside loudspeaker cabinets before installing them, and without running any audio signal through them. See Thumper, below. It’s my trusted polarity signal… View this story
    Filed in: Church SoundFeatureBlogStudy HallInterconnectLoudspeakerMeasurementSound ReinforcementSubwoofer

  • Wednesday, November 30, 2016
    acoustics
    Ken DeLoria 11/30/16 08:47 AM,
    Very often the topic of “room tuning” comes up in the practice of pro audio, but what we’re really talking about is “system optimization.” And over the course of many years, we’ve used many tools that seemed to—or actually did—contribute to desirable results. But system optimization is not just about turning knobs (virtual or otherwise) until things sound good. Sure, you can do that, and maybe that’s all you have time for under certain circumstances, but it’s not likely to… View this story
    Filed in: AVFeatureBlogStudy HallAVLoudspeakerMeasurementProcessorSignalSound Reinforcement

  • Thursday, November 17, 2016
    church sound
    Jeff Lange 11/17/16 02:49 PM,
    The design of a new sound system for the sanctuary of The Pentecostals of the Fox Cities in Menasha, WI, was particularly challenging. This 500-seat auditorium has a 12-foot ceiling, dictating loudspeakers that are very compact in order to not detract from the room’s aesthetics. To meet this requirement, we chose premium two-way loudspeakers, with six of these cabinets flown in their horizontal cabinet position (with mid/high-frequency horns rotated), carefully placed in a distributed, decentralized arrangement. Largely due to compact… View this story
    Filed in: Church SoundFeatureBlogSlideshowStudy HallInstallationLoudspeakerSound ReinforcementStageSubwoofer

  • Wednesday, November 16, 2016
    image
    Bruce Bartlett 11/16/16 11:08 AM,
    Portable loudspeakers are amazing in their versatility, able to serve as mains, fills, delays, stage monitors and much more, providing solutions for hundreds of applications in live sound reinforcement. These 2-way miracle workers usually include an 8-inch, 12-inch or 15-inch ported woofer and a compression driver on a horn or waveguide, with dispersion (6 dB-down points) commonly at 40 degrees (v) by 90 degrees (h) or 40 degrees (v) by 120 degrees (h). The primary purpose of this dispersion is… View this story
    Filed in: AVLive SoundFeatureProductStudy HallAVLoudspeakerSignalSound ReinforcementSystem

  • Thursday, October 20, 2016
    image
    Pat Brown 10/20/16 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 11, 2016
    image
    Dave Rat 10/11/16 06:48 AM,
    Editor’s note: This article originally appeared on PSW in 2012, however the information is still quite relevant and worth revisiting. I’m asked a lot of questions about sound. Many of them focus on unraveling and understanding some particular function, feature or concept, while others are directed toward distilling my opinion on methods or industry trends. A while ago. I was asked some questions that led me to some in-depth pondering. The questions: Why are line arrays so popular? Are they… View this story
    Filed in: Live SoundFeatureConcertLine ArrayLoudspeakerMeasurementSound ReinforcementSubwoofer

  • Friday, October 07, 2016
    image
    Craig Leerman 10/07/16 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



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