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Isolated DC supply for Bluetooth receiver in car audio
https://electronics.stackexchange.com/questions/554645/isolated-dc-supply-for-bluetooth-receiver-in-car-audio
This question is about the isolated power supply I've put together for a Bluetooth receiver which is going into an old car stereo, replacing the cassette... The Bluetooth device wants isolated 5vdc, and the supply is of course the 12-13.5vdc from the car.
Car Audio Power Supplies
https://www.halfpricecaraudio.com/Car-Audio-Battery-Power-Supplies.htm
Car Audio Power Supplies A car audio Power Supply is a must have accessory for the car show enthusiast! A 12 volt power supply takes over the job of what an alternator would normally be doing while your vehicle is running, instead the power supply keeps current flowing to your battery while you pump out the car stereo bass! Result pages: 1 2
Noise solution: isolated power supply? | DiyMobileAudio ...
https://www.diymobileaudio.com/threads/noise-solution-isolated-power-supply.21984/
Most DC-DC power supplies retain common earth connections. You'd need to look for a supply that supplies 100% isolated outputs, like the Navone Engineering device. $99 isn't too bad for what you're getting if you can't resolve your earthing problem satisfactorily.
Audio Reference Isolation - Basic Car Audio Electronics
http://www.bcae1.com/audioiso.htm
If you measure resistance from the input shield to the output shield, you will read a very high resistance (thousands of ohms). Isolated Power Supply: This type of system is commonly used in signal processors and involves a switching power supply.
Amazon.com: power supply for car stereo
https://www.amazon.com/power-supply-car-stereo/s?k=power+supply+for+car+stereo
Switchmode Power Supply For Car Audio
https://sound-au.com/project89.htm
As most readers already know, the nominal voltage of a car battery is 12V, reaching about 13.8V when charging (i.e. engine running). The maximum RMS audio power from a given voltage V is somewhat less than: Pmax = ( V / ( 2 x √2 ) )² / R L ... where R L is the speaker nominal impedance.
Car Audio Power Amplifier IC for Automotive Applications ...
https://www.st.com/en/automotive-infotainment-and-telematics/automotive-audio-power-amplifiers.html
ST is the recognized leader in automotive power amplifiers. Our car audio amplifiers provide the traditional clean and powerful sound that users have come to expect, as well as all the protection and safety features needed to make our devices robust in an automotive environment.
Regulated power supply | Car Audio Forum | CarAudio.com
https://www.caraudio.com/threads/regulated-power-supply.580576/
Most home audio amplifiers employ unregulated power supplies. The power supplies in these amplifiers run at 60 Hz, thus the filter capacitors must be 200-500 times larger than those used in high frequency switchers. The extra capacitance in home audio amplifiers results in extra headroom.
Car Audio Accessories - HiFiSoundconnection
https://www.hifisoundconnection.com/Shop/Control/fp/cat/39853/SFV/30046
Car Audio Accessories. We provide the best selection of Car Audio Accessories in the online market today! HiFiSoundConnection.com only showcase Quality and Easy Installation Procedure that makes good sense at the most reasonable rates online. All you need for your car's improved performance, better listening pleasure, and money saving options ...
How To Wire A Computer Power Supply To A Car Amp
https://soundcertified.com/how-to-wire-computer-power-supply-to-car-amp/
Yes, a car amp won’t work without a +12V signal on the remote wire terminal. The amp’s internal power supply is controlled by this wire and acts as a shutoff control. Likewise, you’ll want to either turn the power supply on & off as I’ll show you or use the remote wire as a shut off in order to keep the amp from drawing power when not in use.
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