How-To
How to Test Car Speakers: Multimeter, Battery and Polarity Checks
Five tests show whether a car speaker, its wiring or the stereo is at fault: a listening test, a multimeter reading, a battery pop test, a polarity check and a wiring test.
Category
How-To
Short, specific procedures you can follow with the tools you already own. Each one exists because readers kept asking the same question.
How-To
How to Measure Sub Size: Diameter, Cutout, Depth and Box Volume
The size on the label is the frame, not the cone. Here is how to take the four measurements that decide whether a subwoofer fits your box and your car.
How-To
How to Test a Car Stereo: Power, Ground, Speakers and Sources
Seven checks, from settings and fuses to multimeter tests on power, ground, speakers and outputs, to find out whether a car stereo or its wiring is at fault.
How-To
How Does a Car Amplifier Work? Power Supply, Classes and Specs
How does a car amplifier work? See how the power supply, input and output stages, amplifier classes and impedance turn a small signal into speaker power.
How-To
How to Tune Your Car Amplifier: Gain, Crossovers and Bass in 6 Steps
Gain is not a volume knob. Here is the order to set gain, crossovers, subsonic filter and EQ so your system plays loud without distortion.
How-To
How to Use a Crossover in Car Audio: HPF, LPF and Slope Settings
Where crossover controls are, what each one does, and how to use them with a subwoofer, an amplifier, a component set or a DSP.