This time I will share a circuit of schematis power amplifier with LM380 IC that has similarities with LM384. Enough with just a few components you have to make this power amplifier circuit . All components with relatively low prices and making a fairly easy. For this amplifier output power has 3W with 4 ohm impedance. Indeed , this amplifier has the output is quite low and certainly will not be maximal if it works on the speakers with high power.
Resistor
R1______________47K
R2______________2.7R 2W
Capacitor
C1______________10uF
C2______________470uF
C3______________100n
C4______________100n
IC
IC1_____________LM380 , LM384
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