LF power amplifier built on a chip TDA7386. This is a simple power amplifier which very easy to assemble, but at the same time having good characteristics quad amplifier. It’s possible to use this circuit for surround sound system.

Features :
Power supply, …………………… 6. .. 18 V
Input Impedance …………….. 100 ohms
Output Power ………………… …. 4×30 W
Frequency  … ………….20 … 20 000 Hz

Parts list :
R1 : 10K
R2 :47K
C1...C4, C7, C10 : 0.1 uF
C5...C6 : 1uF
C8 : 47uF/25V
C9 : 2200/25V
DA1 : TDA7386

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