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

Getting into SPL Competition, the begginers guide. Equipment. What should I look for? First thing to do is research. Visit SPL forums, search around and see what others are using. Check results ...

2. Boyles Law, how it applies to an SPL system
(Technical/Theory and Physics)

... power as possible will provide the highest pressure if you are designing an SPL competition vehicle using sealed enclosures. What we have to consider, and what will help us to understand what happens when ...

3. Battery Training, Preparing your 12V Battery for SPL Competition & Care
(Electronics/Auto Electrical for the Car Stereo)

Battery Training, Preparing your 12V Battery for SPL Competition & Care Selecting a battery First things first, select the battery brand/model you want and will work for your class and competition ...

4. Team DecibelCar.com Australia Car Audio Edition
(News/Latest)

... their love of SPL and dB Drag racing ! They are active dB Drag competitors, experienced in car sound systems, SPL competition, auto stereo, and subwoofer system installers. C.C.S.S. runs his own business ...

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

... and substantial peak at a higher frequency makes this a great enclosure type for SPL competition. Like all bandpass boxes, this one is pretty finicky about air volumes. Make sure you're measurements are ...

6. 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 ...

7. Team DecibelCar.com Australian Car Audio Edition
(News/Latest)

... the same name) and well known in Holden Commodore circles thanks to his Commodores successes in SPL competition. Do dont hesitate to contact either of our team with all your car adio, speaker enclosure ...

8. Team DecibelCar.com Canada Car Audio Edition
(News/Latest)

... in car sound systems, SPL competition, auto stereo, and subwoofer system installers. Do dont hesitate to contact him with all your car adio, speaker enclosure design, SPL competition and subwoofer questions. ...

9. 2010 OPTIMA Batteries Street Car Faceoff Ends with Camaro Win
(News/Latest)

... the competition overall in a series of events including the BF Goodrich Hot Lap Challenge, the Detroit Speed & Engineering Speed Assault Autocross, the Baer Brakes Speed Stop Challenge, and The Roadster ...

10. CRX Installs
(Install/Car Audio Installation)

This page contains live image materials that can only be directly accessed via Decibelcar.com Sample pictures of CRX Street class enclosures and systems. CRX_Installs 0|box.jpg|Storm drain box|This ...

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

... amp. These tests are meant to be done on the enclosure & equipment you'll be using in competitions!  Stage 1: Enclosure Volume. For this stage, use a test port that’s 13" deep, and around the ...

12. Modding an Earthquake Power House PHD2 Shredder
(Electronics/Car Audio Electronics)

When buying a D2 the "modded" units always fetch more on the second hand market. Earthquake mod them for free at World finals, and will mod them of you pay them, and thats what makes them rare and more ...

13. Sentra Installation (step by step gallery)
(Install/Car Audio Installation)

This page contains live image materials that can only be directly accessed via Decibelcar.com This gallery highlights a decent sized Street A compatible system installed into a 1994 Nissan Sentra/Pulsar. ...

14. Car Audio on a Budget, the $500 Recession Buster
(Install/Car Audio Installation)

... competitions with these systems, but they're a huge improvement over any stock system. Wanna spend a bit more ? $1000 SystemHead-Unit;  $100-$150 any of the brand name units are ideal (Kenwood, ...

15. Headunit Installation in 2002-2006 Lancer
(Install/Car Audio Installation)

Removing / Installing an Aftermarket Head-Unit into 2006 Mitsubishi Lancer: Note – This guide was done using a 2006 Model, but I believe this applies to models 2002-2006.   Step 1, Tools ...

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

... I've used this method and been consistent in my numbers whilst the competition slowly gets quieter. We've actually gained dB's just from doing this to the amp! Its free power and free SPL you just need ...

17. Find your vehicles resonant frequency
(Technical/Theory and Physics)

... is incomplete. The resonance of the vehicle, for purposes of SPL competition, must include the speaker system. Because the speaker or speakers will be the vibrating medium, their compliance and moving ...

18. Earthquake PowerHouse D2 Repair Parts List
(Electronics/Car Audio Electronics)

The Earthquake PowerHouse D2 Shredder amplifier and its successors (PHD2000, D3, D5000, etc) have a long history in car audio competition. For a time they were the "Winningest" amplifiers in dB Drag racing ...

19. Headunit Installion in X2-X3 Hyundai Excel & Accent
(Install/Car Audio Installation)

Removing console and Fitting a HU in an X2 or X3 Excel/Accent. Â First of all, turn the engine off. Put the gear shifter into 3rd gear (gets it out of the road) & make sure the hand brake is ...

20. Capacitors tested in a real world enviroment
(Electronics/Car Audio Electronics)

...  JBL W15GTi subwoofer JBL A1201GTi 1200WRMS Monoblock 2x 900CCA batteries 0g wiring harness Lightening Audio Competition Series 1.0 Farad Cap  Test Equipment: Digital Multimeter Goldline DSP-30 ...