This is schematic diagram of 10 watt power audio amplifier using TDA2009A as the main component.
Component list:
R1, R3_________ 1K2 ohmDownload 10 Watt Amplifier with TDA2009A Schematic Diagram in PDF version HERE
R2, R4_________ 18 ohm
R5, R6_________ 1 ohm
C1, C2_________ 3u3 50V mini
C3_____________ 22uF 16V
C5_____________ 100uF 35V
C6, C7_________ 220uF 10V
C10, C11_______ 2200uF 35V
C4, C8, C9_____ 100nF
IC_____________ TDA2009A
Heat sink