1. Enclosure & Port Selection, Definitive Guide
(DIY Articles/Car Audio Do It Yourself)

... in Hz. This is the point where driver impedance is highest. ÂÂ How is tuning achieved? Â Tuning is a function of box size, port size & port length. Â Generally: Bigger box = lower tuning ...

2. Getting into SPL Competition, the begginers guide.
(Technical/Theory and Physics)

... your own from http://www.dbdragracing.com.au for around $1200. On a budget, the SPLMETER.com meter is not as accurate, but it still gives valuable tuning information. Snag one from http://www.egear.com.au/ ...

3. SPL Tuning Your System on a dB Meter
(DIY Articles/Car Audio Do It Yourself)

... Or bracing with fibreglass. Make sure you run your complete system as well, there's no point tuning for 1 sub when you want to use 2 or 4, or using a 500WATT amp if you intend to compete with a 2000WATT ...

4. Car Audio on a Budget, The $1000 System
(Install/Car Audio Installation)

... may require an additional adaptor for an IPod), I have provided links to those models too. All of these models come with some type of detailed sound tuning ability, for example low/high pass crossovers ...

5. Tools for Designing your own Subwoofer Enclosure
(DIY Articles/Car Audio Do It Yourself)

... point as WinISD is simple to use, easy to come to grips with and contains a large database of drivers already installed. The graphical interface and ability to change volume/port size/tuning and see the ...

6. Setting Amplifier Gains
(Electronics/Car Audio Electronics)

Setting Amplifier Gains After reading our article on how to setup and use your CRO, you're probably wondering how to apply this to tuning an amplifier system.. read on. For this you'll need: A CRO ...

7. Subsonic, what is it and how do I adjust it ?
(Electronics/Car Audio Electronics)

... its excursion and play below the enclosures tuning. So for safety, we want to cut those frequencies out. For a sealed enclosure you adjust the subsonic filter to 25-35 Hz, to filter the extremely low ...

8. Quarter Wave Theory for Building Walls
(Technical/Theory and Physics)

... the frequency which you should be tuning your system to.  ...

9. Idea's for Building a Speaker Wall
(DIY Articles/Car Audio Do It Yourself)

Idea's for Building a Speaker Wall - Keep the subs as far to the passengers side as possible, stacked, with roughly equal path lengths to the mic. - Make the port as big as possible, reducing the size ...

10. Build Your Own Aeroport Port Flares
(DIY Articles/Car Audio Do It Yourself)

... ID and you can have them double ended. Do it with threaded lengths and you can make screw on flares to test different designs or make variable length ports for tuning.  ...

11. The ABC 8th Order Bandpass
(DIY Articles/Car Audio Do It Yourself)

... chamber but not as part of the box. At this point a second tuning frequency develops 1.9 times (almost an octave) higher than the lower one, i.e. either at 57Hz (12.5") or 67Hz (8"). The results are ...

12. Kicker Announces 2010 ZX Series Amplifier Models
(News/Latest)

... Gain and crossover frequencies are top-mounted for easy access to fine tuning. ZX-Series Multi-Channel Amplifiers put the choice of system installation in the listener’s hands. Power in the three models ...

13. Fitting a Cold Air Intake (DIY Kit & Pre-packaged)
(DIY Articles/Performance Do It yourself)

Fitting a Cold Air Intake Installing a cold air intake on your import or domestic vehicle should be one of the first steps you take for increasing your cars performance.  Along with a good high flow ...

14. Bass, Treble, Hertz ? Which Hz is which range
(Technical/Theory and Physics)

Bass (Approximately 20hz-140hz) The 60hz-90hz range is where we notice the greatest perceptible changes in "bass response." Try a test tone and see just how well you hear 20hz or even 32hz, compared with ...

15. Racer X, the story that inspired Fast & The Furious
(General/Everything Else !)

... and rubber through the concrete jungle at dangerous velocities. Young men have been fascinated with tweaking and tuning big block Chevys and Mustangs since the days of Rebel Without a Cause. But the ...

16. Twice as loud ? Lets talk dB's
(Technical/Theory and Physics)

... first one !3. Tune the enclosure using our nifty "SPL tuning guide"If you have a quality amp that can handle low impedences, you can cheat a bit. Have a duel 2ohm woofer wired in series for 4ohm and 1ohm ...

17. 1968 Ford Mustang GT - Car Audio Install
(Install/Car Audio Installation)

... after spending a good hour listening and tuning the system. The outcome was a natural, clear sound. The owner mainly listened to heavy metal / rock, so needless to say the speakers had some work to do! ...

18. 4 x 12s and 3000wrms in a Kia Sportage
(Install/Car Audio Installation)

... finished, the slot port was placed at the bottom to increase loading and was tuned to 35hz....... Â After installing an Alpine 9887, i spent a good 2 hours tuning the system and listening ...

19. Volume Displacement of a Brick..
(Technical/Theory and Physics)

Volume Displacement of a Brick.. This may help your testing.. A regular house brick consumes 0.063 cubic foot of volume. It takes ~16 house bricks to consume 1 cubic foot of volume.

20. Say Bye to Neon by Richard Ehrenberg
(General/Everything Else !)

... throttle body. The whole deal was held in place by duct tape and cable ties. Replaceable jets allowed precision tuning of the system to any level of insanity desired. Auxiliary fuel (alcohol "drygas") ...