R1=PONTICELLARE , INSERIRE SOTTO IL PCB UNA RES. DA 22K TRA PIN3 E GND. R2=PONTICELLARE , INSERIRE SOTTO IL PCB UNA RES. DA 22K TRA PIN5 E GND. R3,R5=10K R4,R6=2K2 R7,R8=100K R9,R10=100 R19,R23=47K R20,R24=82K R21,R25=100K R17,R44=2K2 R14,R29=180K R15,R30=4K7 R16,R31=22K R11,R26=2K7 R13,R28=100K R12,R27=820 R18,R22=100K C1-C16=220uF 50v c17,c19=100nF 50v c20,c18=100uF 35v c22,c24,c29,c31,c36,c38=100nF c21,c23=1uF pol. c25,c26=4,7uF pol. c27,c44=1uF pol c30,c37=22nF wima c28,c35=100nF(prefer 82nF) c34,c41=100pf disco c32,c33,c39,c40=22uF elna silmic U1=NE5532 OR OPA918 U2,U3=NE5532 BRIDGE RECTIFIER= 200V 1AMP. TRASF. SEC 15-0-15 VAC 6-10VA