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Car Audio Electrical Theory – Capacitance and Inductance
https://www.bestcaraudio.com/car-audio-electrical-theory-capacitance-and-inductance/#:~:text=Inside%20the%20amplifiers%20in%20our%20car%20audio%20systems%2C,will%20release%20energy%20to%20maintain%20their%20initial%20voltage.
Car Audio Electrical Theory — Wiring Loads in Series and ...
https://www.bestcaraudio.com/car-audio-electrical-theory-wiring-loads-in-series-and-parallel/
The formula to calculate the total resistance multiple loads wired in parallel is 1/Rt = 1/R1 + 1/R2 + 1R3 and so on, until you have included all the loads. For our 15- and 20-ohm loads in the example, the math would be: 1/Rt = 1/20 + 1/15, or 1/Rt = 0.05 + 0.06667. This works out to 1/Rt = 0.11667 which works out to 8.571 ohms.
Car Audio Electrical Theory – Capacitance and Inductance
https://www.bestcaraudio.com/car-audio-electrical-theory-capacitance-and-inductance/
Capacitors resist changes in voltage. Inside the amplifiers in our car audio systems, capacitors are used to store large amounts of energy at the rail voltage. When there is a sudden demand for current that exceeds the capability of the power supply, the capacitors will release energy to maintain their initial voltage.
The Basics: Understanding Car Audio Systems, Part 1 | …
https://www.edmunds.com/car-technology/car-audio/understanding-car-audio-systems.html
The Amplifier A car stereo system has to have an amplifier to increase the power of an audio signal so it's strong enough to move the speakers and create sound. Amplification is a two-stage process...
Amplifier Theory: Design & Troubleshooting, Part 1
https://www.analogictips.com/amplifier-theory-design-troubleshooting/
In all audio amplifiers, the feedback exists in two distinct forms. DC feedback is applied to keep the DC offset of the amplifier output very small (generally less than +/-50mV). AC feedback sets the overall voltage gain of the amplifier, and minimizes distortion.
Class D Audio Amplifier Design - irf.com
http://www.irf.com/product-info/audio/classdtutorial.pdf
Theory of Class D operation, topology comparison How to drive the gate, key parameters in gate drive stage How to choose, tradeoff relationships, loss calculation Importance of layout and package, new packaging technology 200W+200W stereo Class D amplifier
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