Schematic Circuit Amplifier with IC AN7111 . This Circuit is a minimum voltage 6 Volt and maximum voltage 18 Volt . And I recomended voltage for this circuit is 12 Volt. With IC AN7111 maximum output speaker 1,2 Watt , and impedance 8 Ohm. Similarity with this IC is AN7131 and AN7140. Package IC : SIL-9 and manufactered by MATSUSHITA.
See Schematic and package IC below :
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