This type of power supply is similar to a battery charger but has much better manners.
Power supply for car stereo amp.
A battery charger is generally unregulated.
We ve talked about car audio amplifier features and specifications at great length but up to this point we haven t discussed how a car audio amplifier works.
In this article we ll provide a simple overview of how the power supply in your mobile amplifier can take the 12 volts supplied by your electrical system and convert it into a much higher voltage to drive your speakers.
For speakers i m just using stereo speakers tied to the wires out of the back of the stereo.
In this video i ll show you how to use a standard car amplifier and hook it up to your home with a power amp.
My setup is an am fm 8 track player i got out of an econoline motorhome in the junkyard.
Match the power requirements of speakers with the output power of the amplifier or receiver.
Speakers require more or less power than others loudspeaker sensitivity is expressed in decibels which is a measure of how much sound output is produced with a specified amount of.
Purchase a power supply that s in your budget.
The best way is to use an old manually tuned receiver.
Adaptation computer power supply for car amplifier.
I power it with a 12v power supply from radio shack.
Boss audio systems pv3700 5 channel car amplifier 3700 watts full range class a b 2 4 ohm stable mosfet power supply bridgeable remote subwoofer control 4 2 out of 5 stars 628 189 99 189.
Pyramid pb3818 5 000 watt 2 channel bridgeable.
A dc power supply is used in place of a 12 volt battery when you need to operate car audio equipment and the only source of power is the mains voltage ac wall outlet.
Car amplifiers are designed to use the direct current dc from the car s battery and alternator for power.
This is different from a home electrical system which uses alternating current ac and provides 110 to 120 volts at a lower current.
Adaptation computer power supply for car amplifier.
Check the specifications of the power supply on the package and make sure it can output enough voltage and current in order to power your car amplifier which usually needs a minimum of 12 dc volts and a 30 amp current.
To run a car amp from an ac circuit you must first convert from ac to dc power.