AUDIO AMPLIFIER CIRCUIT

The Tiny Audio Amplifier kit is a good choice for battery operation. It is based on LM386 IC.

• Power supply - 6 - 12 VDC

• Output power - 1 W, 8 Ohm

• The quiescent power drain is only 24 mW when operating from 6 VDC

• Self-centering output quiescent voltage

• Onboard PRESET to adjust volume

• Terminal pins for connecting power supply, audio signal and speaker

• Power-On LED indicator

• ON/OFF PCB mounted slide switch for power supply

• Four mounting holes of 3.2 mm each

• PCB dimensions 44 mm x 44 mm

Schematic