As usual integrated circuit TDA2003, should be placed with which appropriate heat sink to prevent damage to internal components on the temperature of the IC.

10 W audio amplifier circuit requires a current to voltage V max 18VDC 2A to work correctly.

The low power audio amplifier is obtained at the optimal point of the work load of 4 Ω. These entries must be at least 1Vpp to achieve this performance.

10 W Audio Amplifier parts list :

R1 : 100 k potentiometer
R2 : 47 Ω
R3 : 220 Ω
R4 : 2.2 Ω
R5 : 1 Ω
C1 : 2.2 uF
C2 : 470 uF
C4 : 100 nF
C5 : 1000 uF
C6 : 100 nF
C3 : 47 nF
IC1 : TDA2003
4 Ω speaker SPK

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