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How Does a Car Audio Amplifier Work – The Power Supply
https://www.bestcaraudio.com/how-does-a-car-audio-amplifier-work-the-power-supply/
In most amplifiers, this voltage is configured as +30V and -30V, relative to the ground reference voltage of your vehicle chassis. So, how in the world do we get plus and minus 30 volts from 12? That’s the job of the power supply. The positive and negative rail voltages of a modern car audio amplifier. In this case, we have +28.4V and -27.7V.
Selecting Power Supply for Car Amplifiers - Homemade ...
https://www.homemade-circuits.com/selecting-power-supply-for-car/
Answer: My suggestion is technically correct regarding selecting power supply for car amplifiers, and there's no doubt about it. The manual specifies 12V as the operating voltage for the amplifier, so the power supply should be rated at a fixed 12V (regulated) and the current is immaterial and could be anything higher than 10amps upto infinity.
DC Power Supplies - Basic Car Audio Electronics
http://www.bcae1.com/pwrsupdc.htm
For those who want to use a car audio amplifier in their home... Using all car audio equipment: This diagram shows how the power and ground connections would be made to the power supply. You notice that there are fuses on all of the wires that are connected to the power supply's positive terminal. These are ABSOLUTELY necessary. It is just as easy to start an electrical fire …
Amplifier Power and Voltage - Car Audio Help
http://www.caraudiohelp.com/newsletter/amplifier_power_and_voltage.html
Many car audio amplifiers have what is called an unregulated power supply. The power supply is what converts the vehicle's charging voltage into power that the amplifier can use. And if the power supply is an unregulated design a boost in voltage from the vehicle means a boost in power from the amplifier.
How To Wire A Computer Power Supply To A Car Amp
https://soundcertified.com/how-to-wire-computer-power-supply-to-car-amp/
The car amp “remote” terminal uses a low-current +12V input to start its power supply & related circuits. You’ve got a few different options you can use: Jumper wire: When connecting the power and ground 12V connections, you can use a small jumper wire from the +12V battery terminal to the remote it so it’s on any time the amp has power. 18AWG or smaller …
Switchmode Power Supply For Car Audio
https://sound-au.com/project89.htm
and a typical calculation based on a 13.8V supply gives ... P = ( 13.8 / 3 )² / 4 P = 4.6² / 4 = 5.29 Watts This allows for standard losses, and is acceptably accurate at this voltage - the only real way to know is to measure the amp, since the losses vary depending on the topology of …
1000 Watts Car Amplifier Buying Guide - theautosquare.com
https://theautosquare.com/1000-watts-car-amplifier-buying-guide/
The Riot Monoblock Power Amplifier is BOSS Audio’s first suggestion. It comes in a variety of maximum power outputs ranging from 1,100 to 3,400 watts. These are MOSFET power supplies featuring high and low-level inputs, configurable low pass crossover, bass enhancement, and remote subwoofer control for 1-channel amplifiers.
Whats a good 12v power supply to buy to bench ... - car audio
https://www.caraudio.com/threads/whats-a-good-12v-power-supply-to-buy-to-bench-test-car-audio.570233/
as a super rough idea to guideline with - 100 watts of stereo power needs 10 amps as power. 500 watts of used stereo power = pulls 50 amps. so if you use a 5 amp power supply to test with the most your going to be capable of putting out is 50 watts total.
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