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Home / Assembly / DIY KIT 52- LM386 based audio amplifier

DIY KIT 52- LM386 based audio amplifier

I have written several projects related to LM386 based audio amplifier. LM386 is a versatile and a widely popular audio amplifier chip. The LM386M-1 and LM386MX-1 are power amplifiers
designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200. The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 mW when operating from a 6-V supply, making the LM386M-1 and LM386MX-1 ideal for battery operation.

Features:
Operating voltage: DC 5 ~ 12V;
Driver Speaker: 0.5W-10W Speaker 1;
PCB Size: 36 * 39mm

About the kit: The kit after assembly works as an amplifier for simple audio projects like FM receiver and mp3 player. There is a knob on the kit to control the volume.

Check out the following images. You can see the images on Flickr also. 

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