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

Ohms & Impedences Explained  All audio equipment comes with an OHMS Ω rating. Some equipment, especially amps, have multiple OHMS ratings. But what does it all mean, and why is it all so important ...

2. Root Means Square, RMS Means Real Power. AKA. Lets measure my amps REAL power output
(Electronics/Car Audio Electronics)

... to a JBL BPX2200 amplifier and measured with a DMM & clamp with a 60hz tone. The amps rated for 2200WRMS @ 2ohm. Static Impedence = 3ohmVAC = 84VAAC = 16A 84 x 16 = 1344 PMPO (Watts law, Amps X ...

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

Ever wished you had a device that would allow you to load your system however you wish regardless of coil configuration? That’s what the Veritas Accumatch does. They are an "impedance driver" that can ...

4. Diagnosing amplifier protection mode faults
(Electronics/Car Audio Electronics)

... hot) and goes into protection mode, verify your speakers impedence is within the amplifiers load specification. If they are, then give your amp more ventilation. 5. Remove speaker wires from amp and ...

5. Desolder and Test the Field Effect Transistors (MOSFET) in your amplifier
(Electronics/Car Audio Electronics)

Testing the MOSFET's from an amplifier is a lot easier than you would think. Naturally the only time you would do this is if you suspect a blown MOSFET (IE. you've smoked the amp, its made a bad smell ...

6. 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 ...

7. 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 ...

8. 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 ...

9. VIDEO Subwoofer Wiring, Parallel, Series
(Electronics/Car Audio Electronics)

VIDEO Subwoofer Wiring, Parallel, Series This is a sister article for this one.. switched up with video demonstration ! So, if you want to learn how to wire your subwoofer in series, or in parallel, ...