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EQ 2

2017-12-22 16:07  
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6-Band Graphic Equalizer

EQ_2.

  ?? EQ-2 ????? ??? ??????? ???????? ???????????? 6 ???????? ???????? . ???? ??????? ?????????? ??? ?? ??????????? RV1-6, ?? ????? ????? ,??? ???????? ?????? ??????? ??? ?????????, ????????. ???? ??? ???????? ??? ??? ???????? ?? ?? ???????????????? ?? ???? ???????????. ??? ?????? ??? ???????? ??? ?????????????, ? ???????? ????? ???????? (Flat), ???? ??? ???? ?????? /- 15 dB, ???????? ? ???????, ??????????. ??? stereo ?????????? , ?? ?????? ?? ????????? ??? ?????.

  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=47KohmsC2=15nF 100VC9=680nF 100V
R2-5-18=150KohmsC3=150nF 100VC10=150nF 100V
R3-4=10KohmsC4=33nF 100VC11=39nF 100V
R6....17=10KohmsC5=8.2nF 100VC12=8.2nF 100V
R19=100KohmsC6=1nF 100VC13=2.2nF 100V
RV1.....6=100Kohms Lin.C7=470pF 100VC14=470nF 100V
C1=1uF 100VC8=680nF 100VIC1-2=TL074

 

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