1. Ohms & Impedences, How to Select the correct amplifier and load
(Electronics/Car Audio Electronics)

... for "free" just by bridging your 4ohm speakers ! Series Wiring: When speakers, or Duel Voice Coil subwoofers, are wired in Series, it means one +ve & -ve are connected to each other, and the remaining ...

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

The $1000 Budget System. The $1000 budget unlocks a lot more potential to build a great system. At this price point you’re looking at adding amplifiers and subwoofers to your system, so you are in “big ...

3. Building Your Own Subwoofer Enclosure
(DIY Articles/Car Audio Do It Yourself)

Building Your Own Subwoofer Enclosure For my example I'm building a small enclosure to suit a single 12" JBL subwoofer to go into a Honda Civic hatchback. Because the enclosure is only 2.4 cubic foot ...

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

Tools for Designing your own Subwoofer Enclosure Sure you can buy a pre-fabricated woofer enclosure like your buddies, or you could build your own. Nothing sounds better than an enclosure purposely designed ...

5. Inverting Subwoofers
(DIY Articles/Car Audio Do It Yourself)

Inverting Subwoofers Inverting your subwoofers is a great way to enhance your subwoofer systems look. A big motor and basket structure looks a lot more impressive than the cone, and its a free modification ...

6. 4 x 12s and 3000wrms in a Kia Sportage
(Install/Car Audio Installation)

... amplifiers and 2 Clarion 12" subs in separate sealed boxes. His main requests were a ported box to fit 4 x 12" subwoofers (Kenwood) and for it to be under the window line (a tough task).After several ...

7. Recone subwoofer or any speaker
(DIY Articles/Car Audio Do It Yourself)

Sometimes you'll need to recone a speaker or subwoofer. Sometimes the coil burns out, the tinsel breaks or a screw driver goes through the cone ! There's a lot of reasons that your speakers damaged, but ...

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

... hybrid, and absurd single-channel subwoofer amps round out a hard-working, noise-free lineup with heat sinks that can be personalized with edgy vinyl skins. An often overlooked benefit is that each individual ...

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

... can feel it. Because you cant hear it, and they're prone to damaging woofers, filtering subsonics is a desirable characteristic in subwoofer amplifiers.A subsonic filter is used differently in sealed ...

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

... a traditional 6th order where the subwoofer is between two enclosures vented to atmosphere, one of the vents fires into the other enclosure which is then vented into the atmosphere. The narrow band width ...

11. 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 ...

12. How to use an Oscilloscope (CRO) to identify clipping
(Electronics/Car Audio Electronics)

Here's a quick & dirty intro to the CRO (Cathode Ray Oscilloscope), how to set it up properly & how to identify clipping. For this test I've used: BWD-509B CRO Digitor 707 Digital Multimeter ...

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

... a few subwoofer systems, you may have experienced an increase in the amount of bass produced by the system when the vehicle's trunk or a window is opened. I've heard some fantastic explanations for this ...

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

Decibels, dB, are a measure of loudness. Unlike other measurements, decibels are logarithmic in scale not linear. Speed is linear, 40km/h is twice as fast 20km/h. Time is linear, 60 seconds is twice ...

15. 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 ...

16. Accumatch Impedence Drivers (Tested)
(Electronics/Car Audio Electronics)

... following are test results I conducted using the Accumatch AM-500, a JBL BPX2200.1 amplifier & JBL's W15GTi subwoofer with duel 6ohm coils.The BPX2200 features two modes of operation. High voltage ...

17. Construction Materials, get what you need cheap
(General/Everything Else !)

Construction Materials, get what you need cheap    Not everything needs to cost you a fortune when it comes to car audio... with some lateral thinking you can save money and still get awesome results. ...

18. Kicker Announces CompVR Loaded Sub Boxes
(News/Latest)

... and a pair of single-sub enclosures, all vented for ultimate chaos.   CompVR Sub Boxes take the reputation and reliability of dual-voice-coiled CompVR Subwoofers and combine them with sturdy KICKER ...

19. Odyssey 1700 vs 2150 SPL Battery (tested)
(Electronics/Auto Electrical for the Car Stereo)

... screwdowns, sealed, AGM.Test System: JBL Crown 2200 amp JBL W15GTi subwoofer Test Equipment: TermLAB USB Sensor The amp is calibrated to make max power when the HU's on V34. So, results: V28: ...

20. 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 ...