Improve Your Car Audio System

Posted under Audio Tips by admin on Saturday 15 August 2009 at 5:54 pm

 

Car audio components are being improved each passing day to upgrade sound systems. If one does not opt for these improved components, then one might just be living in the past. These improved components add greater functionality to your car audio system.

These components are speakers, subwoofers, tweeters, amplifiers, ipod adapters and more. All these add another dimension to your audio system. You have the option of settling for your factory installed system, however, aftermarket systems are massively superior to factory systems. But that’s by the way.

To take your car audio to another level, you’ll need to add new speakers, upgrade your receiver, add tweeters, add an amplifier, install vibration dampers like dynamat, install bass blockers on your full-range component speakers, add equalizers and other signal processors — the list goes on…

Adding new speakers to your audio system will alter your setup most dramatically (if done right). This is because your speakers are the most important units in your car audio set up. Also know that you need to add such that will fit your vehicle. This will prevent sound inbalance or damage to your audio system. What you install is what you get. If you install old age-stricken stuff, then you get old age-stricken sound.

Adding tweeters to your sound system improves your listening experience. A tweeter takes care of those sizzling highs that cannot be catered for by regular speakers. A crossover will help make your output stage a lot better.

Upgrading your receivers will ensure better sound and less distortion. This could include adding additional music sources like a portable DVD, a satellite radio tuner and more; through an auxiliary input.

You also need vibration dampers. Dynamats absorb the vibration caused by your car speakers and road noise. When these vibrations are absorbed, you can conveniently hear the music that comes out of your sound system without background noise.

If you’re in for the best sound, you’ll need to add a bass blocker. Installing bass blockers on your full range component speakers simply help to block the bass frequencies that your speakers cannot handle. They are installed on your speaker’s wire. This helps remove distortion from your music.

Other steps you could take to improve your car audio output include making sure your subwoofers and speakers are in phase, changing the position or enclosure style of your subwoofer and avoiding extreme bass control boost.

Your subwoofers and speakers wired in phase helps give more balance to your sound. Make sure the positive and the negative sides are wired accordingly at both the receiver and the speakers.

Changing the enclosure style of your subwoofer actually depends on the type of bass sound you prefer. Some prefer a boomy bass; others prefer a low frequency bass. The position of your subwoofer will determine that.

Avoiding extreme bass control boost and turning up your volume instead will give less distortion to your signals.

Implement these and your car audio will never remain the same.

 


Car CD/MP3 Players

Posted under Audio Unit by admin on Saturday 8 August 2009 at 5:51 pm

 

USB MP3 Car Radio: Check this out an MP3 USB card reader Car Radio. I would buy it, but I just in bough a new MP3 car radio.

Now you can play your favourite MP3;s and WMA digital music formats in your car. This great new product accepts a SDRAM memory card or a USB memory stick. Allowing you to copy music from your PC or Laptop and play on this car radio.

Of course the stereo also plays standard CDs and CDR’s giving you endless possibilities to play your own music whilst on the road. USB & SD memory cards not supplied.

 

MP3/FM Car Audio
Audio CD / Audio CD-R/RW
MP3 CD-R/RW
MP3 USB interface (1.1 & 2.0 compatible)
MP3 SD/MMC Card reader
Power Output 4x45W
RDS (Radio Data System)
TA/TP (Traffic Program)
EON (Enhanced Other Networks)
PTY (Program Type)
AMS (Auto Memory Store)
MP3 – ID3 Tag Display
MP3 track search
4 DSP Equalizer Modes

 

Kenwood DDX6017

 

Audio unit1

 

Kenwood DDX6017 – In-Dash Double Din 6.5 Inch Touch Screen Monitor w/ DVD/CD/MP3 AM/FM Receiver.

My New Favorite DVD/MP3 Player. The Kenwood DDX6017 has 6.5″ touchscreen monitor, play’s MP3/WMA, CD/CD-R/CD-RW, VCD, DVD/DVD-R, AM/FM, HD RADIO READY, TV Tuner (Optional), SIRIUS SATELLITE READY and come with a remote control. The Kenwood DDX6017 fits in the dash of most double din size automobile dashes. The DVD receiver has 5 screen modes that changes each time you press the MODE key.

The modes are Full picture, justify picture mode, cinema picture mode, zoom picture mode and normal picture mode. These screen mode can be set for DVD, VCD, and TV viewing.

The Kenwood DDx6017 has a great looking blue screen saver, but I would like to find a way to change it. It sounds great and looks good. The monitor/receiver has audio and visual input and output. So I’m going to experiment with the visual input to see if I can connect a pocket Pc or notebook Pc to it. I think it would be cool if I could go to the internet and read email or web pages from my car’s dash board. I will add more pictures later, so stop by again.

 

 

The Sony MEX-HD1

 

Audio unit4 

The Sony MEX-HD1 - Price $1,500. Sony in-dash unit burns CDs as you drive: Sony CD player that reads MP3 encoded CDs just like Kenwood’s Z828. This unit like the Rio Car that has an internal hard drive to store music. When you want to load music you remove the unit from the car and attach it to your computer to transfer music.

Sony MEX-HD1 is the first unit that can download music to the unit, this makes sense and more convent. You can slips a standard CD into the head unit, selects which tracks they want ripped, push the button and the chosen songs are compressed on the fly and saved to the drive.

Sony claims the MEX-HD1 can hold up to 160 hours of music, which means about a 10GB hard drive if Sony is talking about standard 128kbit compression rates. The MEX-HD1 hard drive CD-receiver comes with a wireless remote control, custom file memory and folder options and reads both CD-R and CD-RW discs.

Sony MEX-HD1 ships in about April and will list for a BIG $1,500. That’s pretty high for an me, I’ll stick with converting my MP3s to standard music CDs.

 

Jensen CD/MP3

 

Audio unit5 

ensen MP3510: CD/MP3 Receiver – Price $229.95, street price $199.95. Jensen’s MP3510 CD/MP3 receiver has plenty of great features, including preamp outputs, a detachable face, multicolor display, wireless remote, and great power (17.5 watts RMS/45 peak x 4) — for a remarkably low price. The powerful Jensen Plus tuner pulls in even the most distant radio stations, and you’ll get plenty of presets for storing your favorites.

Best of all, you can “burn” up to 200 MP3 files on a CD-R (or CD-RW) and play it on the MP3510 — it’s like having a CD changer on a single disc! This versatile receiver also plays CD-Rs, CD-RWs, and prerecorded CDs. If you’re looking to augment your system’s overall power, you can easily hook up an external amplifier to the set of preamp outputs. And you even get an auxiliary input that lets you take along a portable cassette or MiniDisc player.

 

Key Features: detachable face, multicolor display, Jensen Plus tuner, US/European tuning, 20 FM/10 AM presets, seek and preset scan, mute, 1 set of preamp outputs, auxiliary input, loudness, plays CD-Rs, CD-RWs, and prerecorded CDs, plays MP3-encoded CD-Rs and CD-RWs, displays ID3 Tag information, 24 programmable CD tracks, wireless remote, 17.5 watts RMS/45 peak x 4 channels, CD frequency response 20-20,000 Hz, CD signal-to-noise ratio 90 dB, FM sensitivity 12 dBf, 1-year warranty.

 

Kenwood CD/MP3

 

Audio unit6 

Kenwood eXcelon Z828: CD/MP3 Receiver with CD Changer Controls – Price $619.95, street price $399.95. MP3 files to go! Your in-car music menu can include CD-Rs, CD-RWs, and MP3-encoded discs when you choose the Kenwood eXcelon Z828. This charismatic CD/MP3 receiver serves up plenty of visual excitement with its striking 3-D FL high-res display, cutting-edge cosmetics, and impressive list of features.

To spice up your tunes’ sonic contours, season them with the 6 preset curves and 3-band parametric EQ of System Q EX Sound Control. To maximize your system’s performance, the System E’s+ Advanced Crossover provides high- and low-pass filters for your speaker and preamp outputs.

This receiver is Sirius satellite radio-ready — you must have a subscription to Sirius Radio, a Sirius tuner, and a Sirius-compatible antenna in order to receive the digital satellite radio signal. (Sirius satellite radio offers digital-quality sound, coast-to-coast coverage, and up to 100 channels of music, news, sports, and entertainment, all for $12.95 a month.)

Front, rear, and subwoofer preamp outputs send a clean, strong 4.5-volt signal to external amps. Musical variety and convenience a must? Hook in a Kenwood CD changer for 6- or 10-disc storage and access. A wireless remote is included for your convenience.

Key Features: detachable, fold-down face, 3-D FL high-res dot matrix display, CR-2 tuner, plays MP3-encoded CD-R and CD-RW discs, audio CD-Rs and CD-RWs, plus CDs, MP3 file and time memory — switch to a different source or turn off power, and the Z828 will return to the same point when MP3 play resumes, System E’s+ Advanced Crossover — for better performance from all your speakers, and independent crossover control/customized output from the driver’s seat, whether you use the built-in amp or external amps, System Q EX Sound Control, CD changer controls, 4.5-volt front and rear preamp outputs, 4.5-volt non-fading output with level control, disc and station naming, MP3 ID-3 tag display, satellite radio-ready, wireless remote, 22 watts RMS/47 peak x 4 channels, CD frequency response 10-20,000 Hz, CD signal-to-noise ratio 96 dB, FM sensitivity 9.3 dBf, 2-year warranty.


the right system for Car Audio

Posted under Audio Tips by admin on Thursday 14 May 2009 at 5:16 pm

So you got tired of the OEM car sound system did you ? This car audio review will go over the key factors to consider in selecting the car stereo system that will meet your needs. Before discussing the individual components of a car stereo system here is a word of advice … broughtto you by the CarAccessoriesMagazine !! Don’t jump on next week’s sale, don’t rush your car audio review process, take your time, talk to friends, sales people, installers and get a goodfeel for what you really want. This car audio review will hopefully give you a head start.

IN DASH RECEIVER

In any car audio review, the most common question that people considering a change of car stereo system ask : will anaftermarket radio fit into my vehicle ? And the answer is … (roll the drums) … YES, becausethere are a variety of aftermarket kits available to adapt just about any aftermarket radio toyour vehicle.

AMPLIFIERS

The next item covered in this car audio review is the amplifiers . They are the backbone ofyour car stereo system. Weak amplifiers damage good speakers, not the other way around.Amplifiers are providing the musical power and do a great job of eliminating distortion and of upgrading the sound clarity. The size of the amplifiers will be proportionate to the level ofpower you want. You can tell a good power amp by turning the system above half volume and stillhearing clear amplification. Bear in mind that the more power you have the better control youhave over your system.

The location of the amplifiers in the vehicle is not critical, as long as they have enoughair flow and are mounted on a dry surface. If you install the amps yourself you will needa kit consisting of power wire, ground wire, RCA, remote turn on lead and a fuse. Crimpersand a drill are all the tools required.

CAR SPEAKERS

Next in our car audio review let’s look at the benefits of aftermarket speakers. They have a larger frequency response (more music coming through the speakers), more power handling capabilities, they will brighten your highs and increase your bass.

There are two types of CAR speakers available : the dual cone and the two way. A dual cone has a small paper cone built into a larger paper cone. A two way actually mounts a separate tweeter on the larger paper cone. This allows for more frequency response and better sound quality. You will need to check the fit of your new speakers with your vehicle. You can take off your speaker cover and measure it. Make sure you get the depth if you can. Not all cars can accommodate speakers with a larger magnet.

 

 

HEAD UNIT

The next obvious question in this car audio review is : will it be CD or cassette ? The answer really depends on your listening habits and on your budget. Several head units now have both while still fitting into your dash.

You should also consider other important but often overlooked features in going through your car audio review. Many models offer detachable faceplates. This security feature will only work if you actually remove the faceplate. Some models have a plate that rotates when you turn off the vehicle, which makes it look like it’s been removed.

Another feature is an automatic volume control : the system automatically adjusts the radio volume up or down, depending on the vehicle’s speed and the varying amount of road and wind noise in the vehicle.

Look for a unit that has large buttons versus small. Large buttons are easier to find and use. The radio should cause a minimum amount of distraction so the driver can keep his eyes and attention on the road. If you want to push this idea to the limit try to find a radio with greater spacing between the buttons. This makes the radio easier and safer to use as well.

The last head unit feature to discuss in our car audio review is the radio display. Large numbers and a clear readout is another reason for an enjoyable listening experience. Also, look for a radio that shows not only the radio station call number but also the time and preset number.

 


Tuning Up Car’s Audio System

Posted under Audio Tips by admin on Monday 19 May 2008 at 3:37 pm

Check speaker phase! The speakers in your system should all be firing in phase — simply put, all the cones should be moving out and in at the same time. If they’re not, you lose bass response, making your system sound anemic and unfocused. It’s important to check all your speakers, even if your system was professionally installed. 

To determine if a pair of speakers in your vehicle are in phase, listen to some bass-heavy music with your stereo’s balance control all the way to one side. Now return the balance control to the center — you should hear significantly more bass. If you don’t, your speakers are out of phase. Switch the positive and negative leads on a single speaker, and try again. If you hear more bass, leave it! Check the front and rear speakers independently in this manner.

Turn on your subwoofer system. Reverse the speaker wires going to your sub and listen for a change in bass response. Again, if it gets louder, leave it! (Make sure that multiple subs are wired in phase with each other.) 

Flatten it out!
 Especially if you have a sub, it may be tempting to crank up the bass on your receiver. Tune your system first with the receiver EQ set flat — all tone controls at “0″ and no EQ curve engaged. With the subwoofer off, turn some familiar music up to a moderate listening level, then slowly increase the subwoofer output until you hit the “sweet spot” — the place where the bass really kicks in without overwhelming the rest of the music. 

If the bass sounds like it’s coming from behind you, lower the sub amp’s crossover point to “de-localize” the bass. If your amp has a non-adjustable crossover, try moving the subwoofer. For example, if it’s firing toward the rear, turn it around so it fires forward or sideways (remember to check your phase again with the sub in its final position). 

Listen and experiment! 
Your system should create a “soundstage” — close your eyes and you should hear the instruments in front of you, arranged from far right to far left, with (if you’re listening to rock’n'roll) the kick drum, bass guitar, and lead vocal right dead center. 

Some vehicles make it tough to establish a strong front soundstage:

If your car has small front speakers, install some Bass Blockers. They’ll filter out the low frequencies so your speakers will play louder and clearer, bringing the soundstage back in front of you. If your receiver has built-in crossover capability, use its high-pass filter to remove low bass from smaller speakers for improved performance.

If you have a subwoofer (or larger speakers in the back), use your receiver’s fader to move the music forward and then turn up the overall level to bring the bass back into play.

If your front speakers are mounted low in the doors, some receivers feature independent front/rear tone controls or signal processing that raises the front image. Or, if possible, install a set of tweeters in front.
Instead of cranking the bass way up to increase your system’s impact, raise the bass a little bit and lower the highs and mids. It’s smart to keep equalization to a minimum — pumping up the bass control just robs your system of its effective power.

First rate bass!

Great bass isn’t just for rap, heavy metal, or reggae fanatics — if you’re a fan of classical music or jazz, you might be surprised at the quiet authority a subwoofer brings to your music. Even at low listening levels, a sub can produce richness and impact you wouldn’t otherwise hear.
Play some music that features active, powerful bass parts — all the bass notes should punch out at an even volume level. If you hear bass notes dropping out or booming, check your phase and experiment with different crossover points until it’s smoothed out. Once your sub is tuned properly, you can use your receiver’s equalization controls to make minor adjustments.

 

 

 

 

  1. System sounds dull? Put a set of tweeters up front to strengthen your front image and add liveliness to your sound. Many receivers feature signal processing (BBE, DSO, MediaXpander, etc.) or extensive equalization which can do a lot to improve a dull-sounding system.     

  2. Vocals and instruments sound buried? If your receiver has a midrange control, boost it up a little bit; if it includes a parametric EQ, try adding a little bump in the 400-1000 Hz range. Replace your rear full-range speakers with some high-quality midrange speakers to bring out warmth and detail without adding more sizzle. Installing Dynamat (or any sound-absorbing material) in your vehicle will reduce road noise which masks crucial midrange details.     

  3. System too bright? If your front speakers have swiveling tweeters, aim them away from you. If you have installed component tweeters, check the crossovers for output level switching — a drop of 3 dB can make a huge difference in the way your tweeters match up to the rest of the system. Experiment with your receiver’s EQ. If that doesn’t nail it, consider a receiver with more equalization control or (for an amplified system) an outboard equalizer.

Think ahead! Once you’ve taken the time to adjust the system, then you’ll know if you’ve made smart purchases. Always buy with an eye to the future — you might be saving 40 bucks on your receiver, but what’s the point if it’s missing some crucial features you’ll be needing when you expand your system? If you plan on adding a sub to your system later, spend a little more on a multi-channel amp (instead of a 2-channel) so you can power your front speakers and subs with one amp. Don’t install 10-gauge power wire if your ultimate goal is a throbbin’ multi-amp system. With the right components and some careful adjustments, your car can be a fantastic place to listen to music.