The EQ circuit For music and sound which adjust and control sound in 3 band output.
the circuit simple to apply and modify to more band such as 6 band,8 band.
Could you see detail in circuit thus as picture right side.
Electronic parts list
EQ 3 band circuit
IC1= TL072, NE5532
C1-11= 10uF 25V
C2= 33pF ceramic
C3= 2.2uF 63V MKT
C8= 1.2nF 63V MKT
C4= 47nF 63V MKT
C5-7= 4.7nF 63V MKT
C6= 22nF 63V MKT
C9-10= 100nF 63V MKT
C12=47uF 25V
R1-2= 47Kohms
R3-4-5-12-13= 10Kohms
R6-7= 3.3Kohms
R8-9= 1.8Kohms
R10= 270ohms
R11= 22Kohms
RV1-2= 100Kohms Lin.
RV3= 470Kohms Lin.
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