The Low-frequency amplifier based KA2206 and built only with few components, inexpensive and easy to build. This Low frequency amplifier can deliver 2×3 Watts output power (4 ohm load) with supply voltage of 5V to 15 V and frequency 40 to 18000Hz
Parts list : C1 : 1uF C2, C3, C4 : 100uF C5 : 0.1uF C6 : 470uF IC : KA2206
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