Rangkaian Preamphead / Head Preamplifier
Daftar komponen:
R1 = R5 = 56k C2 = C6 = 1,5nF
R2 = R6 = 2,2M C3 = C7 = 22uF/10V
R3 = R7 = 270 ohm C4 = C8 = 1uF/25V
R4 = R8 = 330k C9 = C10 = 4,7uF/25V
R9 = R10 = 100k
IC = LM387
gambar skemanya disini Gratis