This LM386 schematic is taken from a Texas Instruments datasheet - Preview and Download
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Simplest LM386 Audio Amplifier in Proteus - The Engineering Projects
LM386 Audio Amplifier Circuit
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Amazon.com: Juried Engineering LM386N-1 LM386 Wide Input Voltage Low Power Audio Amplifier with Internal Gain IC & 8-Pin DIP Socket with Machined Contact Pins Breadboard-Friendly (Pack of 10) : Industrial & Scientific