Power Supply For Car Stereo Amp

Car amplifiers are designed to use the direct current dc from the car s battery and alternator for power.

Power supply for car stereo amp.

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. 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. This type of power supply is similar to a battery charger but has much better manners. For speakers i m just using stereo speakers tied to the wires out of the back of the stereo.

My setup is an am fm 8 track player i got out of an econoline motorhome in the junkyard. I power it with a 12v power supply from radio shack. 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. Adaptation computer power supply for car amplifier.

Power should equal the impedance rating for each of the speakers. A battery charger is generally unregulated. Purchase a power supply that s in your budget. To run a car amp from an ac circuit you must first convert from ac to dc power.

Pyramid pb3818 5 000 watt 2 channel bridgeable. 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. 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. This is different from a home electrical system which uses alternating current ac and provides 110 to 120 volts at a lower current.

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. Match the power requirements of speakers with the output power of the amplifier or receiver. 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. Adaptation computer power supply for car amplifier.