Table-Mounted modular faceplate Motorised opening mechanism with touch-switch Comes with modules including: power, VGA, and Rj45
Monday, November 28, 2011
Thursday, November 24, 2011
Blue Jeans Cable LC-1 Double-Shielded Low Capacitance Subwoofer Cable, 50 foot, Black
!±8±Blue Jeans Cable LC-1 Double-Shielded Low Capacitance Subwoofer Cable, 50 foot, Black
Brand : Blue Jeans CableRate :
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Post Date : Nov 25, 2011 07:47:13
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This 50 foot subwoofer cable is made by Blue Jeans Cable in our Seattle assembly shop using our proprietary LC-1 low-capacitance, heavily-shielded analog audio cable stock and Taversoe brand crimp connectors. The most common quality issues in subwoofer cabling have to do with hum, and the LC-1 cable carries an extremely heavy double-braid shield for maximum shield effectiveness at low frequencies and excellent ground contact between receiver and subwoofer. Despite its thickness (.305 inch) the LC-1 cable is very flexible due to its soft nitrogen-foamed dielectric. The connectors are gold-plated where it counts--on the contact surfaces--and grip the RCA jack on your receiver and subwoofer using a set of spring contacts which ensure solid grip without the jack-damaging "death-grip" phenomenon associated with many other tight RCA contact systems.
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Sunday, November 20, 2011
DIY Home Surveillance - What You Need to Succeed
Today's world is becoming a more dangerous and scary place to live. Burglary, vandalism, and violent crime run rampant in some areas, and often the police presence required to mitigate the threat in residential areas leaves a bit to be desired. But there are options available for homeowners to protect themselves and their families from this threat, and to help police identify and apprehend perpetrators.
There are companies out there who want to charge consumers an arm and a leg to install a state-of-the-art CCTV or digital surveillance system in the home. But fortunately, you don't have to be one of those people who get taken advantage of. By installing your own digital surveillance system, you can save yourself thousands of dollars, and end up just as secure as your neighbor who paid handsomely for the privilege.
Installing a home surveillance system is a good weekend project. While there will be some manual labor involved, if planned out properly, your project will go smoothly and you will be on your way in no time! Here are some tips to get you started.
1. Identify what you need to watch. Maybe you need a camera to watch your driveway, your back yard, your pool, and your front door. Maybe you just need to watch your baby's nursery. The point is, identify how many areas you need to keep an eye on. This will give you the approximate number of surveillance cameras that will be required for your system.
2. Identify where you need to position your cameras. Now that you know how many cameras you will need, you have to identify where you are going to mount them. This can be accomplished using a floorplan or drawing of your property layout, and perhaps a ladder and digital camera to take some photos of where cameras will go, and what you would like them to see/cover. This should also give you an idea as to what materials will be needed to perform the installation, such as mounting hardware, cabling, etc.
3. Identify what kind of cameras you need. Now that you know how many cameras you need and where you intend to put them, you need to put that info to use in identifying the kind of cameras you need. Is the camera being placed indoors or out? If you are placing the camera outside, it needs to be able to withstand the elements, so you need a camera that is weatherproof, or you will need a weatherproof camera housing to protect the camera.
Is the area being covered always well lit, or is there little or no light available at times, and do you even need coverage during those times? If you need coverage in near or complete darkness, you will need a camera that is either low-light sensitive or an infrared/night-vision camera.
4. Identify what type of viewing and recording system you need. Now that you know how many cameras you need, you already know how many channels are required on your recording/viewing device. Further, you need to identify about how long you need to store recorded video. For example, is this your permanent residence, or a vacation home or cabin, where you might not be there but once every few weeks? These will all be important when buying your system.
5. Identify where the viewing/recording unit will go. Once you know where you want to place your DVR or other recording device, you can easily decide how much wiring you will need to install the system, and get an idea where and how the wiring will be run.
6. Decide which installation materials, hardware, and accessories you will need to install. How long are your wire runs going to be? Will you need to run your power separately, or together with the cable? If you run them together, you can save a great deal of headache by using Siamese coaxial cable, which consists of a shielded coaxial cable, bonded to a two-conductor power line.
If you run your own cable, you may need BNC or RCA video connectors and power connectors for the cameras. Also, depending upon how many cameras you need, you may use individual power transformers (similar to a cellular phone charger), or go for a distributed power box instead.
On the mounting side of things, you may need mounting brackets, housings, and other additional hardware (screws, nails, etc).
Once you have accurately identified what you need, it's just a matter of calling our friendly and helpful sales team for help choosing the right product, or making a visit to our online store to place your order, anytime day or night. You'll have your product in just a few days, and be ready to move forward with your project.
At this point you should have a pile of information and hardware at your disposal. Here is a quick checklist of everything you should have:
- Cameras
- A Viewing/Recording System
- Power Transformer(s) for the Cameras
- Cable(s) (Video and Power)
- Connectors (unless you have pre-made cables)
- Camera Mounting Hardware and/or Housings
- Instruction Manuals for all of the above.
- Spare parts (in case you make a mistake)
Additionally, it can be a big help to have a "field monitor" on hand when installing your cameras. A "field monitor" is a handheld video screen that you can connect directly to the camera while on the ladder, and will help you get the camera in just the right position before you come down. This will save you tons of headache and hassle as you install your equipment, and will help ensure a good install on the first try.
Before you install, here are a few other things to know:
1. Know the laws regarding surveillance in your jurisdiction. For example, it is illegal in some jurisdictions to record video AND audio. In others, it is necessary to post that surveillance is taking place. If you don't already know what the laws regarding surveillance are, consult your attorney or your local law enforcement agency for more information.
2. Know the building and fire codes for your jurisdiction. Some states require special types of cabling to be used (such as PLENUM), where others require such installations to be handled by a licensed electrician or installer. Other areas may require you to have some type of building permit to install surveillance on your property. It's best to check with your local building inspector to find out for sure.
3. Know that all your equipment works before permanently installing it. Some folks make the mistake of not testing the equipment right out of the box, only to find that they installed a camera that was damaged in transit on the peak of their roof, and it takes several hours more to take down the bad camera, and again to reinstall it after a replacement is received.
Finally, remember, SAFETY FIRST!! Don't get into an install that you are not physically capable of, or that you lack adequate knowledge or experience to perform. Be especially cautious working around other electrical wiring and utility connections. Having great security is worthless if you're dead.
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Tuesday, November 15, 2011
Latest Innovations on Computer Speakers
Computer speakers are external devices which produces sound coming from a computer or any attached multimedia device. It improves sound quality electronic devices cannot do on their own. These speakers come with a built-in amplifier to better magnify sounds from audio devices like mp3 players, iPod, CD players and personal computers.
Most of the computer speakers use a standard 3.5mm stereo jack to connect to computer systems. The stereo jacks are colored lime green for easy recognition based on the PC 99 standard used for all computer sound cards.
Some of the latest models in the market today come with multi connectors such as an RCA jack. It makes it easy to plug the speakers in TV sets or DVD players. Latest models also consist of built-in equalizers, treble and bass controls for better enhance sound.
Thanks to advanced technology, there have been major innovations in terms of features of computer speakers. They have been greatly improved through the years to provide the best quality multimedia entertainment.
One of the technological breakthroughs is the introduction of the wireless feature. The wireless technology makes it possible now to use a speaker system anywhere from your home or office without any need for cables. Wireless speakers are easier to setup and makes the computer system look cleaner and more organized.
Wireless computer speakers connect to a computer or to an audio device through Bluetooth technology. These speakers can transmit wide range signal to maintain a stable connection even with thick walls or obstructions which might block the signal.
Wireless computer speakers have many different types and models. The 2.1 wireless computer speakers is one of the basic and cheapest in the wireless category. This system includes two pieces of satellite speakers and 1 subwoofer. This is best for gaming but not so good for music and movies.
The more expensive models are the 5.1 and 7.1 wireless computer speakers. These systems come with a more powerful subwoofer and various satellite speakers. There are 7 satellite speakers for the 7.1 systems and 5 satellite speakers for the 5.1 systems.
The advantage of these wireless speakers is that they can be easily stationed in all corners of the house so you can experience excellent surround sound technology. It also makes them more mobile. They can be rearranged at any time more easily.
These speaker systems also come with remote controls for easier handling. These models are an excellent choice for gaming as well as music and movies.
Meanwhile, the USB powered computer speakers is among the latest development in audio systems. They can be plugged to any USB port of your computer. It does not need a power outlet or batteries. It draws its power where the USB is connected.
The USB powered computer speakers can produce outstanding sound quality just like other conventional computer speakers. These speakers are also portable where you can easily bring it with you wherever you go. These speakers are ideal for people who use laptops and travel most of the time. They can easily listen to their favorite music, watch movies or play games with their laptop and enjoy the sound of what they are playing.
If you are going to purchase a USB computer speaker, it is important to look for a good brand and choose those that are magnetically shielded so as not to damage your computer or your laptop.
The better brands are from leading manufacturers like Sony, Philips, Logitech, Altec Lansing, Lenovo and Kensington.
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