Archive for January, 2010

Jan 31 2010

BMW X5 Subwoofer Stereo System

If you are lucky enough to own a luxury sport utility vehicle, you can use the BMW X5 have chosen. Families enjoy the comfort, power and security, which are equipped with every X5. Its all-wheel-drive system can take where you need to check the status of roads, clean air. No matter where you drive to school to get the kids shop, or on a long journey, one feature of your X5 that is sure a lot of your car can get excellent sound system. Aimportant part of your stereo is the BMW subwoofer. An X5 subwoofer can make your digital audio files shine.

Messages consisting of several parts, including the various drivers and CROSSOVER contained in a form of speaker cabinets. There are usually three types of drivers involved, tweeters for high frequencies that produce register high frequency sounds, woofers to take over the bass frequencies and their consequent low frequency sounds, and midrangeleading provider of all the sounds between the audio signals of Excel. Crossovers divide the entire electronic signal recorded on your MP3 or CD to a frequency closer, like chiefs have been designed to react, so you'll be able to hear the full spectrum of sound recorded on the medium.

Subs are drivers whose specialty is in the low end of the scale of the sound, bass and sub-bass sounds. You put a subwoofer to the speaker to improvelow resolution. Some of these sounds are so low that the human ear can not hear them, but you can actually hear those sounds. You can change the effect of the last time you see a rock concert, with a bass run part highlighted.

These dynamic subwoofers are often in the back seat or trunk, installed as a BMW X5. Caution should be taken by turning the volume when the subwoofers are in action in the car, because hearing loss mayresult of prolonged exposure to high volume.

Some people go for adding tactile transducers to their vehicles as well. When the low bass sounds fall so low that you can not hear, you can feel and that feeling is sensitized by the use of tactile transducers. They are connected to the seat of the car and the amplifier of the speaker. The sound comes from the leader of the journey through the bones in your body and then up to his ears.

If you love rock musicwith a bass line button, or classical music that has drums, so probably a BMW subwoofer upgrade your car stereo audio in the future.

Comments Off

Jan 30 2010

Using a digital multimeter

A digital multimeter is one of the most versatile and useful in your auto shop. It 'important to make a good model, and understand how to use it properly. A digital multimeter is actually three devices in one. This is a voltmeter to measure the electrical potential across a device in volts. This is an ammeter that measures the amount of electrical current through a device. E 'measured in amperes. Finally, a digital multimeter is an ohmmeter that measures electrical resistance of adevice. Electrical resistance measured in ohms.

Today, modern digital multimeters are designed to be robust and easy to use. A multimeter is a good sturdy plastic case and large, easy to use knobs for selection. The upper part contains the digital screen read. This is something that you should check carefully before buying one. Make sure that the screen is big enough to read, and be sure to watch the display in sunlight. It is likely that you will use this tooloutdoors in direct sunlight.

During the digital readout is a big button called the switch function. This feature allows you to switch from one mode of work digital multimeter to such changes, you can easily switch to the voltmeter, ammeter ohmmeter with the turn of the call. Again, make sure that the switch function is large and easy to use. Function switches are about eight more positions. Most have three V markings to measure the voltage. They measure AC, DC and lowcurrent tension in the region of millivolts. Next there will be two positions marked with a ~ and A =. A ~ measures AC current in amperes and A = measures DC current in amperes. The iron horse head measures Ω resistance in ohms.

To measure voltage, first turn on the digital multimeter and let it complete the boot process. Its generally light digital readout and the device through its cash diagnostics. Once this is complete, you are ready to meetvolts. Now turn the switch function for measuring V = volts DC. Now you need to do the red wire and black a digital multimeter. Connect the red wire to the red input terminal VΩ brand and make the black wire to the end of the COM label common terminal. Now you can measure volts, put the red wire to the end, with the highest potential and the black wire on the bottom.

To measure the amplifiers, should result in another way connected. First, theswitch function of a power =. Connect the black wire to COM terminal. Now connect the red wire to the end of the label 300mA. Now you're ready to connect the meters in the range of the device is measured at the beginning of the runway and meter is inserted between the open items. The results are in mA 300mA, because the use of the terminal.

The third characteristic of a digital multimeter is its ability to measure to Ohms. Ohm is a measure of resistance in acircuits. First, unplug all cables and power from the measuring device. Now turn the switch position function for Ω and make your lead. The red wire is connected to the end of VΩ label and the black terminal connects to the COM terminal. The display shows SR. This is normal and means that there is an overload. Now connect the head unit for measuring ohms.

These are the basic functions of a digital multimeter. Rememberfrom your multimeter before storing again in your toolbox. Do not want a battery that is not the next time you need it. There are several good brands on the market today. Fluke digital multimeters are probably the most popular, and they will not go wrong with one.

Comments Off

Jan 29 2010

Subwoofer Box Types – Sealed, transmitted, Vented and Bandpass

So you just bought the subwoofer dream. Congratulations! Now you're wondering exactly where to put that monster bass was purchased. We may wonder about the different options, if you want a sealed container, transfer or a Bandpass subwoofer enclosure. You could have a little 'done your own research, but a conclusion confusion with many other technical concepts. Do not worry, I will not be consequences to summarize and evaluate the effectiveness of each of you, without all thetechnical buzzwords.

Seal Enclosure

Is usually the smallest of the three. If you are a small or a sports car, I recommend this piece of furniture for your car. There are advantages and disadvantages, of course. As already mentioned, is less profitable, so you can keep your precious trunk space. They also have the possibility of a subwoofer low to produce very precise, but with the lowest number of "boom" of the three types of fencing. This is primarily because the fieldairtight, that there is no room for air to escape the sound waves from inside the box. Unfortunately, this restriction requires a much more powerful amplifier and subwoofer combination. If you're not a high-end, they found that can handle more power, I can advise on how to create a configuration that is not sealed.

Ported / bass-reflex

When opening cash needs more space for ventilation, it is usually bigger than the sealed boxes. If you do notconcerned about the place that is an important option for many people. The design is based on the valve with the air that can move more freely, channeling the sound of the Interior and the back of the cabinet to the outside. This gives a much greater effect with less boomy bass precision. In vented enclosures, just not as much power from the system, since the lack of a subwoofer sealed box allows you to move much more freely and provide wealthYou have to hear every bit of the sound of your subwoofer.

Bandpass Enclosure

Bandpass Subwoofer Boxes is the largest of the three. This is because the project is based on a number of ports, and two large halls, one for the subwoofer and another for the airspace in the enclosure to resonate. One might think that the sound produced by this monstrosity. Produces less precise bass, but with the highest level of "tree". This piece of furniture, you can Power Surgeall the streets of Los Angeles. But remember, fences Bandpass space than ever necessary, so be prepared to sacrifice a lot of space for your settings on the trunk. Also be aware that some subs will not work correctly fences bandwidth, then the product manual for the installation of their display. Ultimately, boxes, fences are a very bandwidth efficient and require much less powerful sealed container. Make sure you have a narrow bandwidth when installing a fence all parties will be dissolvedsimple and could easily rattle a configuration of bandwidth is heard.

More information on the boxes Subwoofer

There are also some other things to remember when deciding between different boxes subwoofer. Most of subwoofer enclosures are constructed using MDF or Medium Density Fiber Board, which is great for fences sure buy MDF construction of boxes and not plastic or cheap plywood. Fiber board (although it says average density) is much closer than anyother materials, so it does not crash and could not withstand very high temperatures. Particle board material is much lighter, and no bond as strong as fiber board, and therefore not suitable for harsh environments.

Cosmetics, usually two opportunities for you to leave, a carpet or vinyl / paint. Rug will protect the exterior will be zero, and usually because of the color fits very well (gray, black and brown). Paint or vinyl tents at fashion showexternal lesions much easier than cleaning carpets, but it is much easier, especially valuable when you install a non-trunk subwoofer install.

How many subwoofers in a box? Obviously depends on how much money and space you have. Do not buy two when you can buy is the one with the power of the two could produce. This allows you to save space and money. If you can help it, not just a set of two economic and one is not when you have a good buying. Yes, we will help bothadd more power and good sound quality, but the victims of volume and hook.

I hope that this brief summary has helped you in making a decision. At the end of the day, it's really up to you to search the subwoofer and find the best solution for your system. Good hunting!

Comments Off

Jan 28 2010

Pioneer Car CD Players Reviewed – DEH-P3800MP

Pioneer is one of the most recognized brands in the car audio industry. They make CD players from cars, subwoofers and amplifiers. Car CD Player Pioneer DEH-P3800MP is an entry level machine, CD player, which made it comfortable with the car audio enthusiast in mind. It 'a reasonable price Pioneer CD player is a bargain.

DEH-P3800MP comes with several features that make it as much as they could be anywhere from $ 90 to $ 130. These features are MP3/WMASupport, XM and Sirius Satellite Radio and the ability of a large display of 16 characters. Continue to enter additional information about each of these beautiful.

1) Support MP3/WMA – This Pioneer car CD player has the ability to play CD-R burned with the support of MP3 or WMA's. A CD-R 700 MB can store up to 10 full albums of MP3 WMA nearly 20 albums. This feature is ideal for those of us who have a large collection of music from our computer.

2) XM and Sirius Satellite Radio – Pioneercar CD player DEH-P3800MP is manufactured using these two formats of satellite radio. This means that if you already subscribe to one of these services if you do not have an FM radio for purchase. The satellite radio is the "next big thing" in the media sector, with thousands of stations, high-definition audio, and a limited commercial interruption. This feature alone makes this car Pioneer CD player, a great buy.

3) 16 characters of the screen – ThisPioneer car CD player supports ID-3 tags, which can fire the artist name, album name with permission, and keep the names on the CD itself. The large display of 16 characters, you can display this information on your CD drive. You will also see the frequency of the FM radio and the station name with this technology.

All and all Pioneer DEH-3800MP CD player car is an awesome buy. I would recommend this product to anyone looking to upgrade their stock car CDplay.

Comments Off

Jan 24 2010

Basic electronic components and supplies required by VA members

Basic components and supplies to run out

Work on electronic projects are a good way to learn electronics and the second project conducted a series of tools and electronic components may be necessary. There are some basic electronic components and supplies needed in almost all projects of electronics and is a must.

The first electronic components that you should try its strength. You must have a good selection of resistancedifferent values from one mega-ohm to 10 ohms with a tolerance of 5%. Carbon film resistors are a good choice for small electronics projects. They are cheap and easily accessible from both online merchants.

Another important element is necessary capacitors. Ceramic disc capacitors or electrolytic capacitors are both good choices for setting up projects in electronics, and once again, a good selection is necessary in terms of values. Low voltage capacitors(at 50V), it would certainly be sufficient for most projects beginners.

Signal diodes are also a good buy for electronic design and electronic components used in a variety of projects. A package of 50, the silicon 1N914 diodes are a good choice as they can for switching and analog signals are used.

The following electronic components to consider diode rectifier will be needed for feeding. Approximately 20 of these diodes in different values would be a goodnumber to begin.

Transistors for the following electronic components taken into account. PNP and NPN, which is the most common and widely available transistors is needed. Guess TO92 package for beginners.

LED, in a mixture of colors and two squares and shift kit are a good addition. The most common LEDs are immediately available at 3V is needed to strengthen them.

A switch is a good slice of it. Often switches used to turn your circuit on or off.If you have only one choice to start, choose a link or a switch button.

Depending on the circuits and projects, some chips are also required. One of the most widely used ICS, the 555 hours. Since all the components mentioned above, is available in which both hole and surface mount packages. The type of hole, until you feel better weld small components.

Last but not least, a combination of wires and circuits is aThe need for electronic designs. Depending on your project, how about a project, in cash or a room? Protects the circuit elements and dust and can be mounted with screws.

Preparing to use the electronic start? Now that the basic elements together, you will find a good book on basic circuits. If you really new electronics, do not be afraid of a book for children. The simple explanations and diagrams in this book will be ready toto the next level of experimentation soon!

Comments Off

Jan 23 2010

Why do you need a good car stereo system to realize the adjustment of your Ride

OK, you pimped your ride and have a nice pearl paint job. You have your 22 "chrome wheels with spinners and an interior that looks like a dream. But even if they are completely meaningless if you do not have a good stereo system car to disc.

A good car stereo system is an amazing experience to see with their ears, like a car stereo system just installed is terrible to see. The price of a system is an important factor to consider, but not all the expensive hardwarewell, if not properly installed, or if coupled with a hardware conflict. It is also the subject of personal opinion, of course, just as some of us find black cars more appealing than other color cars.

The type of vehicle to build a system to play an important role as a car stereo style system must be built. Some people are sensitive trial after only a couple of other cars, the intrinsic properties of the unique recognitionenvironment in the car. What we hear is mostly a vehicle is a recording of the original performer in a zone set, which can play in a completely different depending on the position of the speakers. You can only have a really great car stereo system, if properly understood acoustics, basic electronics, and other components used in replacement of the system.

If you're serious sound system in your car and you wantbest it can be possible, so you might want to get referrals from other people by exposing them to other persons at the car exhibitions and conferences, in which pointers and constructive criticism can get. Go to different exhibitions featuring a wide selection of audio in each cabin. There will be some systems more than others to find and maybe even find one exactly as you want.

If you want to build a custom system of quality is going to deal with when the market speakersTo be sure that the power that the system can handle. These speakers have a much higher frequency that will give you clear height and reduction of fuzzy sound that can occur with high base factory speakers.

A great amplifier is the key to a good stereo sound. If you choose amplifiers that are not strong enough to cause damage to the speakers. A good quality amplifier will give you the strength you need and get rid of the disturbanceand improve the quality and clarity of sound. Choose an amplifier of adequate size, turning the system to just over half the volume and are still clearly reinforced through the speakers.

Comments Off

Jan 22 2010

Car Audio Mistakes

Many people spend too much and in some cases go into debt. What could make this particular situation worse is that people go into debt for a system, they realize that they themselves want. First to find out how much money is available to spend. Then determine how much of the car's audio system must be replaced. At this point a budget plan – how can not afford to spend? Therefore, the components of the system in your price range to locate. To decide what is more importantcar audio system and plan to spend more on important points. Going over budget is the first and most common mistake car audio system buyers make.

Another thing to consider is what the car will be modified for your choices. For example, a speaker configuration that a lot of changes on the car is done. Amendments will be done by a professional and will do so after the budget the total cost of the car's audio systemparts and labor. Another problem is that car audio systems is not the owner of the car thinking about the future. How long you keep the car for? He wants to sell the car with the new sound system or it is removed before sale? Remember audio systems increases the value of a car enough to balance what was the sound system of first issue. Also, if you plan to eliminate the system of the machine, which can be problematic, you can sell. With a radio and aaudio system is a top priority when people are looking for a new car to buy.

When and What is the car does not? If the car sees a lot of use and wear, so you buy a high quality components, such as speakers of the car, it's a good idea. Understandably, if you spend more time in the car at home, so you want to make sure it is as pleasant as possible. But if the car is used only for the weekly shopping, low end parts are moreappropriate.

Another car audio system mistake the people make is to choose a system that is not suitable for the type of music they listen too. This is probably the main factor influencing the choice of the right side of the car's audio system. If you like the music is low then proposes a strong high-end amplifier is needed. Subwoofer may also be a good choice. But if your choice of music is on the opposite side of the music series, you willa second audio system settings. For example, if you listen to classical music or pop music trends, you must use an engine sound, which is a powerful speaker system that offers also plays the sound spectrum were given.

Comments Off

Jan 21 2010

As bacterial isolates – a must for powerful systems

Battery isolators are those of the generator and effort-saving devices, separate the battery main battery system from your help. Most of them drive amplifiers and accessories are added to a secondary amplifier to ease the burden on the factory-installed in other units. Here's a look at how it works and why it is so important.

Diode based isolators are essentially two high-power diodes. This diode isolators are known for their durability and long life, and rarelyfailure. However, they allow a bit 'of power as a result of the decrease 0.5 times free incoming. This will keep the battery voltage has reached the maximum load, but you can have a fairly high cost in peak periods of use to keep the lights and other devices to avoid blackouts, and allow the amplifiers and accessories.

There is another type of bacteria called isolator solenoid battery isolator base. This type of separation by high current control relaysthe river flow. Solenoid relay maximum power, with almost no voltage drop across the system, but tend to be less reliable than diode based isolators. They can overheat after prolonged use and the safety of other valves.

When a spare battery, you must create a sealed battery if you plan to use in your vehicle or in the trunk, and I'm sure correctly on the ground and melt the battery. Failure to do much more heat and can createincrease the risk of fire or electrical wires melted. Always err on the side of caution. It 'also important to mount the battery so that the terminal will come into contact with something and the battery in place, and will not be damaged.

Comments Off

Jan 21 2010

The transition to digital and Hearing Aid Compatible Phones

After February 18, 2008 the major wireless companies have switched to an all digital network in the United States. This connection meant the end of the oldest technology of the United States mobile phones, "advanced mobile services," otherwise known as AMPS. The new digital cell phones that are already wireless customers have had to leave the service with a significantly greater volume of calls can be handled at the same time, provide better sound quality, designed to transmit information via e-mail users SMSMail, etc..

Unfortunately, these new phones also use the higher frequencies are more likely to interfere with hearing aids. Interference often creates a buzz, making phone signals difficult to hear. With AMPS carriers disappeared in noise is generally not able to make use of this facility to lower frequency.

But some models of digital mobile phones offer a viable alternative. The determination of what the cell would be a good choice forthose with a hearing aid is made easier based on rating systems, which have been established throughout the industry.

Here are some considerations:

Choose a phone with an easy to use volume. Choose a phone that allows the backlight to be disabled, as indicated against itself can create further action to anyone using the telephoto setting on their hearing aid. Choose a "shell" or "flip" phone. These phones offer more distance between users of hearing aidsand transmission of the phone that an intervention saving. Consider a phone with built-in vibrator is often preferred by people with hearing problems. Choose a phone with a capital "M" rating. Both phones and hearing aids are a man "(microphone setting) and a" T "(telephoto setting) Evaluation. Users should vote according to what setting I use on your hearing aid, to compare, during 'Mobile telephone use. The higher the score, the betterThe unit of work with others. Optimum should be a cell phone has a score of at least M3/T3 or M4/T4. The public may include an assessment of the phone to their future sound to a total score will be. The overall assessment should preferably be 6 or more satisfactory results.For those who use a "T", remote control, the setting on their hearing aid needs a neckloop considered to use hands-free car did not allow, and provide further advantage that create moreThe distance between the components of the transmission of the phone and hearing aid itself. The use of the "T" setting through the hearing aid can help with some comments and reduce background noise.

Sources

consumeraffairs.com/news04/2006/10/cell_phones_amps.html

fcc.gov / cgb / consumer facts / analogcellphone.html

tap.gallaudet.edu / voice / DigitalCellFAQ.asp

accesswireless.org / hearingaid /

Comments Off

Jan 20 2010

Audio Assault Modified Largo at Trax 2008

The much awaited and anticipated appearance of assault Largo Sound & Fastcar finally arrived, and all persons who visited Silverstone, 6 and 7 September 2008 for TRAX Fastcar sponsored event (a national modified car event), there would certainly be heard. Nisan Largo has undergone a massive over hall to see what you want to Trax presented for the first time reached. Although a portion of the plant was incomplete the Largo was very popular and wasdrawing crowds from all over the park.

Massive equipped with more than 40 mutant subs xxx xxx 10 amp mutant, loads of mid-range component speakers and a top of the range JVC AVX810 head unit from off set for SPL (luidheid) but works well with the quality at low volume . Subs Everything is housed in a specially constructed box, turning his back is broad in one cell type, complete with hand-stitched leather of ostrich, it seems real class.

The original ideaOff the city was to show how easy it is to create an extremely powerful sound without having to spend up to € 3000. Each of the components in Largo is less than 150 pounds, and since we have over 60 years, you can see how widespread is about. Diversity Largo xxx Mutant seen on the underside of the car audio market, but we are very impressed with the responsiveness and quality of all equipment, and so did the spectators. The equipment isreally more mid-range rather than deny, and worth of value.

Largo could inspire fanatical car audio products mutants to be installed for the perfect after-market car audio system creates.

For more information about Largo:

Comments Off

Next »