Audio Amplifier Printed Circuit Board. For the amplifier circuit i spent a couple of weeks researching and evaluating possibilities and settled on the eaumt 0050 2 a class d amplifier board from 3e audio in shenzhen city china. Lm386 is basically an opamp.
Easiest of all are the modern ultra simple screw together and snap together kits such as like the ghent icepower or hypex amplifier kits or raspberrypi hifiberry computer dac kits. The printed circuit board pcb pattern is shown in figure 3 along with the parts placement guide in figure 4. You may choose to use either perf board or a printed circuit board for this project.
They often contain other components which work alongside the audio amplifier too.
You can also check the lm386 datasheet here. Easiest of all are the modern ultra simple screw together and snap together kits such as like the ghent icepower or hypex amplifier kits or raspberrypi hifiberry computer dac kits. Available now at parts express. Yda138 e digital audio amplifier board 10w 10w dual channel amplifier board dc 9 13 5v.
