DIY Micrphone Preamplifier / simple Circuit

Circuit diagram:

Parts:

P1_____________470K  Linear Potentiometer

R1_______________2K2 1/4W Resistor
R2______________56K  1/4W Resistor
R3_______________1K  1/4W Resistor
R4,R6,R10,R11___22K  1/4W Resistors
R5______________10K  1/4W Resistor
R7_____________560K  1/4W Resistor
R8_____________560R  1/4W Resistor
R9_____________100K  1/4W Resistor

C1_____________470nF  63V Polyester Capacitor
C2_______________1nF  63V Polyester or Ceramic Capacitor
C3_______________1µF  63V Polyester Capacitor
C4_____________100nF  63V Polyester Capacitor
C5,C6____________4µ7  25V Electrolytic Capacitors
C7______________47µF  25V Electrolytic Capacitor

IC1__________LS4558  Dual High Performance Op-Amp (or MC4558)

SW1____________SPST  Toggle or Slide Switch

B1_______________9V  PP3 Battery

Clip for PP3 Battery