As the speaker diaphragm compresses the air in the cabinet, the activated carbon absorbs more air molecules. The diaphragm consequently experiences less resistance to its motion, as if the volume of air in the cabinet were larger.

Kitchen Stuff

Here's a few product ideas to make your kitchen smarter and more efficient.

Lighting Controls Simplified

With the proper lighting control system, lighting within a room or even throughout and entire home can be controlled automatically when a single lighting control button is pressed, when a button is pressed on a remote control, when a door is opened or even when the sun rises and sets each day.


It's not often we associate something that consumes power-such as lighting-as a means to saving or conserving, but by their inherent design and very purpose, lighting controls are a way to not only save electricity and related costs, they're a fun, convenient and futuristic way to go about it.

Lighting Your Home Theater

The proper dimming system is a vital ingredient in designing the perfect home theater. You will want an easy-to-use, convenient system that offers flexibility and control in lighting scenes.

Lighting Your Way to a More Secure, More Beautiful Home

The features and advantages of modern lighting control systems are truly incredible. Technological advancements have given us comprehensive and affordable home lighting controls that can do things Thomas Edison would have never dreamed were possible. And more and more people are realizing-and taking advantage of-these benefits.

Lightning and Electronics Home Control Systems Specifically

The best way to protect the home, is to protect the main inputs to the wiring distribution center for each incoming feed, i.e. cable TV, satellite, each phone line, and the electrical system for the entire home, by tying them to a true ground and/or through a surge protection system.

Lights! Camera! Action! Install your very own camera system and make it available on the 'Net!

This article provides an overview of the design process in order to see how the elements fit together to form a system, and attempts to explain the role of each element in that system. We won't attempt to describe the detailed procedures for configuring the devices; that changes from one manufacturer to another, and the manufacturer's procedure is far more detailed, and far less confusing than anything we could provide here.

Listening to High-Resolution Audio: or, How Do We Get from "A" (your SACD or DVD-A disc) to "B" (you

Living Made Easy: Getting Remotes Under Control

Universal remotes combine the features of all your other remotes into one. You?ll likely use it 4-5 hours per day, so it?s important to find the right one.


The requirements for the loudspeaker in the digital age must meet the standards imposed on the rest of the chain. The first is for the speaker to provide accurate sound information under the same conditions as the electronics may be used.

Maintaining A Pool For Fun and Survival

Some cleaners require you install a special pump between the pool and the cleaning gizmo and that's an additional expense. I was looking for something I could install in ten minutes or so that need no constant adjustments and attention.

Make A Big Scene With Your Next Lighting System

Modern scene lighting affects what people see in your home. Carefully planned lighting can establish mood and color, control the focus of attention, and enhance the beauty and functionality of the home.


With all the digital great home toys going around, why is the household organizer still stuck with a day planner and wall calendar to coordinate everyone's schedules? Learn how you can bring family communication and coordination into the digital era.

Making a Case for Advanced AC Power Conditioning

The sensitivity and sophistication of today?s electronic circuits require serious AC power conditioning. Anything less is too costly to consider, and will limit the performance our client demands.

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Featured Product

This is Control4 Home Automation with Amazon Alexa.

This is Control4 Home Automation with Amazon Alexa.

INTRODUCING THE SIMPLEST WAY TO CONTROL YOUR ENTIRE HOUSE YOUR VOICE. Imagine this... We've all been there-walking through the door into a dark house, arms full. Wouldn't it be nice to tell your house to offer a helping hand? Now you can. A simple voice command-such as "Alexa, turn on Welcome"-lights up the hallway and kitchen, fires up your favorite Pandora station, while the door locks itself behind you. This is Control4 Home Automation with Amazon Alexa.