Mini-Amp3
3W- 5W Audio Verstärker Schema
R1 = 100K - 1/4W
R2 = 12K - 1/4W
R3 = 47K - 1/4W
R4 = 8K2 -
1/4W
R5 = 1K5 - 1/4W
R6 = 2K7 - 1/4W
R7,R9 = 100R - 1/4W
R8 = 560R -
1/2W
R10 = 1R - 1/2W
P1 = 47K Log. Potentiometer
C1,C2 = 10µF/63V
C3 = 47µF/25V
C4 =
100µF/35V
C5 = 150nF
C6,C7 = 220µF/25V
C8 = 1000µF/25V
Q1 =
BC560C
Q2,Q3 = BD439 (Mit Kühler versehen 120x50x25mm)
R5 & C5 sind optional (Bass-Boost)