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6-Band Graphic Equalizer

The EQ-2 it is a circuit of graphic equalizer 6 band of regulation. Each band is regulated from the potesometers RV1-6, that are, for better optical indicate of regulations, Fader. This does not mean that we cannot him replace with simply potesometer. In the center of regulation potesometer, the gain is null (flat), but in terminal has +/- 15 db, boost or cutting off, respectively. For stereo operation, it will be supposed two times. 


Part List

R1=47Kohms C2=15nF 100V C9=680nF 100V
R2-5-18=150Kohms C3=150nF 100V C10=150nF 100V
R3-4=10Kohms C4=33nF 100V C11=39nF 100V
R6....17=10Kohms C5=8.2nF 100V C12=8.2nF 100V
R19=100Kohms C6=1nF 100V C13=2.2nF 100V
RV1.....6=100Kohms Lin. C7=470pF 100V C14=470nF 100V
C1=1uF 100V C8=680nF 100V IC1-2=TL074


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