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The ultimate form of protection from AC line hazards is the uninterruptible power supply (UPS). Only a UPS can offer immunity from the severest hazard

Times change, and so does our equipment. The analog power supply, electronic circuit and power amplifier world has steadily been giving way to digital

When you buy a new audio component or system, you immediately check to see if you are pleased with the performance. How will you check a new powerline

Malcolm J. Crocker, ed., Encyclopedia of Acoustics, John Wiley & Sons, 1997, four vol., xxiv + 2,017 pp., 9 1/2" x 12" (241 mm x 306 mm), cloth, $570.First,

Rates: $105 per column inch, per insertion, with frequency discounts available. One-inch minimum, billed at 1/4-inch increments thereafter. Ten-inch maximum

Back in 1988, I was approached by a good friend, Rick Perrotta (founder of Matchless Amplifiers), and asked to engineer the electrical system of a new

Ease of use. Customers demand it. Contractors profit from it. Contractors save money when operator errors are reduced or eliminated. If there's a security

Tempus fugit, as the Romans coined it - time flies. How can we control itWe can't. However, we can measure it.The first use of clocks (or chronometers)

Home theater is so much more than a multichannel sound system and a large television screen. Most home theater systems in place today are simply loud

Meet Sarah and Philip, and welcome to their country cottage. Sarah is a landscape architect who works at home (lives at work is probably more like it).

It is often said that in live sound, there is no rehearsal and no second chance; each performance is considered to be a unique and unpredictable event.

The basics and principles of hardwired security systems were recently discussed in both the February and April issues of S&VC. This month, as we continue

I am a professional audio technician holding the key to a bright future for me, for my company and for our installation industry. That key is NICET certification,

We all live in the real world, but few of us actually work there. Think of that the next time you push a door that you should have pulled...

Every thought, calculation, spec and design you produce for a specific job culminates at the installation site. It's where your best efforts are brought

In all areas of life, we rely on goods and services to make our lives easier and more productive. And with our investment, we have the right to expect

"I just know how to do it." Set ting limiters, it seems, is just one of those things you know how to do. It is hard to explain to...

Correctly setting a sound system's gain structure is one of the most impor-tant contributors to cre-ating a sound system that sounds good. Conversely,

The definition of the word response - "a reaction to a specific stimulus" - happens to offer a valuable lesson in system testing. The circumstances of

In early 1992, Wrightson, Johnson, Haddon and Williams (WJHW) was contracted to develop the sound-reinforcement system for the yet to be built Olympic

What is the difference between a really good sound system and one that doesn't sound good enough? Yeah, yeah; your systems sound great and your competitor's

Since their inception, stadium audio systems have encom-passed every type of loud-speaker layout, with the possible exception of a seat-back system. Ring

When more than 100,000 people congregate in any one place, the sound system is going to have a tough time competing. When those 100,000 people are orange-clad,

One of the most important considerations in sound-system design is consistency of coverage throughout the entire venue. This consistency is governed by

With the task of standing guard over a million square feet of retail space, the security system at Macy's provides unblinking protection that gives new

The best projection equipment in the world won't perform well if the screen is not right for the application.Buying the right projection equipment is

Sound, light and video constantly bombard you. From the morning news show, to the surveillance camera in the lobby of your apartment building, to the

Corporate presentations rely on sound, lighting and video to motivate and inspire.Corporate meetings and presentations have a basic need: to communicate

Although the focus at the Nashville Planet Hollywood is understandably on entertaining with video, the sound system is just as important to the overall

Think about any theater, auditorium, arena or concert hall you have ever visited. As you enter, the lights are fairly bright, but when the music begins,

We've all heard of management by objectives, management for excellence and zero defects management, but how many of us really understand the concept of

So many of the people I meet are so consumed by dealing with failures that they haven't had time to think about success. One of the most bewildering conundrums

Trials look like fun on television. Don't believe it. It's one thing to be an unaffected spectator; it's quite another to be an active participant in

Everyone hates trade shows.Hear me out. I'm not here to dump on shows; in fact, I have a great solution for the uncertainty and hassle of that necessary

The sound, video and lighting systems are all essential to the Ministry of Sound's mission of entertaining the club-going public.In a country where an

Many small-business owners are a little uncomfortable with sales and marketing. Frightened, even. Designing a system is a quiet, peaceful activity, but

* Increased volume: Give a price cut in exchange for a larger order.* Additional items or services: Give a price cut in exchange for the customer giving

Before any sales call or negotiation, you should have an idea of value: How much is what you are selling worth in the real world? Also, know as much...