2+1 amplifier circuit TDA2040
Important NOTE
Only r19,c1,r20 r24,c31,r25 will be soldered in the low pass filter section in the circuit diagram. R21 and R26 resistors will be short-circuited.
The opamp did not work properly in the filter section. If the specified operations are performed on the specified components, the circuit will work without any problems.
speaker hole is 7.8 cm from 3d print design
2+1 amplifier circuit TDA2040
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