| How to Build a High Powered Ultrasonic Speaker Posted:  Ultrasonics are defined as anything above 20,000 Hz. Most tweeters cannot reproduce ultrasonic frequencies because their moving mass and resulting high inertial resistance prevent significant response to a signal above 20 KHz. A few designs can... Recent Article published on 2/22/2011 by Jan Benschop
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| How to Build a Smart Antenna for a DTV Posted: A digital television antenna does not receive the static or interference that was the bane of the analog-type antennas it replaced--you either get a signal with the antenna or none at all. Build your own "smart" digital antenna, one that will be... Recent Article published on 2/17/2011 by Marshal M. Rosenthal |
| How to Fix a Yamaha RX496 Stereo Posted:  The Yamaha RX 496 is a home stereo receiver that provides up to 75 watts of audio power for your connected speakers. The receiver is designed to work with stereo CD players and, unlike newer Yamaha receivers (the RX 496 is now discontinued), it... Recent Article published on 2/17/2011 by Greyson Ferguson
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| Good Phones for Kids Posted:  Cell phones designed specifically for kids often have parental access features, so moms and dads can monitor calls, a child's location and phone content. These phones also have flexible contracts that come with no activation or termination fees.... Recent Article published on 2/22/2011 by Taylor Hibma
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| DIY TV Loop Antennas Posted:  While a TV antenna is most effective when it is mounted atop a tall pole, this is not always possible for the TV owner. Apartment dwellers and neighborhood restrictions can sometimes limit whether you are able to point a tall antenna pole, thus... Recent Article published on 2/22/2011 by Christopher Paul Martin
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| How to Switch a Power Regulator Posted:  In many applications, including automotive, the voltage generated by an alternator or stator changes depending on engine speed. This spells trouble for sensitive electronics, like built-in computer control modules or cell phones charging on the... Recent Article published on 2/17/2011 by Sam Smith
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| Tristar AV Sender Instructions Posted: Audio/Video components can be expensive, so if you can share a single AV device across multiple televisions, you can save money and simplify your setup. The Tristar AV sender is a home theater component manufactured by United Kingdom-based Philex... Recent Article published on 2/18/2011 by Nicholas Miles |
| How to Repair an Open Speaker Diaphragm Posted:  The diaphragm (also know as the cone) on your speaker is the actual part of the speaker that vibrates the air to make sound and music. The electromagnetic in the rear of the speaker moves the cone back and forth in the frequency required to make... Recent Article published on 2/18/2011 by Harvey Birdman JD
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| Advanced Projectors & Home Theater Concepts Posted:  Digital movie projectors are sweeping through the consumer electronics world, and beginning to replace televisions as the choice product for personal home theaters. There are many concepts for home theater rooms that use projectors Recent Article published on 2/21/2011 by Samantha Laros
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| How to Make a PVC Yagi Antenna Posted:  The Yagi Antenna, also called Yagi, was invented by Hidetsugu Yagi in 1926. Novice radio operators communicating over short wavelength frequencies, go through VHF microwave bands when using this antenna. Many amateurs opt to make their own... Recent Article published on 2/18/2011 by Jen N
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