Quad amplifier 40W

Published:2013/3/12 1:17:00 Author:Ecco | Keyword: Quad amplifier , 40W | From:SeekIC

This circuitprovidesa total of fourspeakers4 ohmsand40Wat12vpowered.It is thereforeidealfor usein the car.Totalharmonic distortionis rather high,about 10%at full power.Butwithhalf the powerrequirements(20W)is lessthan 2%.Anyway itis not intendedtohave ahigh performancesystemin the car. With theintegratedaudioTDA8571Jdesignedforautomotive applications,this 40w amplifier circuit can expandthe soundof the car radioorconnecta portableMP3playerin it.Internally, thechiphas eightoperationalamplifierseton the bridge, allowingeachspeaker terminalbeing energized.Dontconnect thenegative terminal ofthe mass ofthe speaker,becausetheywillproducea short circuiton theoutput.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Amplifier_Circuit/Quad_amplifier_40W.html

Print this Page | Comments | Reading(3)