Moduler前置放大器电路图

下面是 [Moduler前置放大器电路图]的电路图
  　　
  图1
  材料清单
  R1_______________1K5 1/4W ResistorR2_____________220K 1/4W ResistorR3______________18K 1/4W ResistorR4_____________330R 1/4W ResistorR5______________39K 1/4W ResistorR6______________56R 1/4W ResistorR7,R10__________10K 1/4W ResistorsR8______________33K 1/4W ResistorR9_____________150R 1/4W ResistorR11_____________ 6K8 1/4W ResistorR12,R13________100R 1/4W ResistorsR14____________100K 1/4W ResistorC1_____________220nF 63V Polyester CapacitorC2_____________220pF 63V Polystyrene or ceramic CapacitorC3_______________1nF 63V Polyester or ceramic CapacitorC4,C7___________47µF 50V Electrolytic CapacitorsC5,C6__________100µF 50V Electrolytic CapacitorsQ1,Q2_________BC550C 45V 100mA Low noise High gain NPN TransistorsQ3____________BC556 65V 100mA PNP TransistorQ4____________BC546 65V 100mA NPN Transistor
  
  图2
   
   
  BOM表：
  R1,R7___________47K 1/4W ResistorsR2_____________220K 1/4W ResistorR3______________18K 1/4W ResistorR4_____________330R 1/4W ResistorR5______________39K 1/4W ResistorR6______________56R 1/4W ResistorR8_____________150R 1/4W ResistorR9______________10K 1/4W ResistorR10,R16__________6K8 1/4W ResistorsR11,R12________100R 1/4W ResistorsR13____________100K 1/4W ResistorR14______________1K5 1/4W ResistorR15,R21,R22______4K7 1/4W ResistorsR17,R24,R26______8K2 1/4W ResistorsR18______________3K3 1/4W ResistorR19______________1K 1/4W ResistorR20____________470R 1/4W ResistorR23,R25_________12K 1/4W ResistorsR27,R28__________4K7 1/4W ResistorsC1_____________220nF 63V Polyester CapacitorC2_______________1nF 63V Polyester or ceramic CapacitorC3,C6___________47µF 50V Electrolytic CapacitorsC4,C5__________100µF 50V Electrolytic CapacitorsC7______________10nF 63V Polyester CapacitorC8,C9__________100nF 63V Polyester CapacitorsQ1,Q2_________BC550C 45V 100mA Low noise High gain NPN TransistorsQ3____________BC556 65V 100mA PNP TransistorQ4____________BC546 65V 100mA NPN TransistorSW1,SW2_______2 poles 6 ways Rotary SwitchesSimpler, alternative Tone Control parts:P1______________22K Linear PotentiometerP2______________47K Linear PotentiometerR29,R30________470R 1/4W ResistorsR31,R32__________4K7 1/4W ResistorsC10_____________10nF 63V Polyester CapacitorC11,C12________100nF 63V Polyester Capacitors
  (责任编辑：电路图)