Sine wave Audio Oscillator

Sine wave Audio Oscillator
Parts:

P1_____________10K Log. Potentiometer (Dual-ganged)
P2______________2K2 Linear Potentiometer

R1,R2,R4,R5_____3K3 1/4W Resistors
R3,R6_________820R 1/4W Resistors
R7_____________10K 1/2W Trimmer Cermet
R8_____________22K 1/4W Resistor
R9_____________Photo resistor (any type)
R10_____________8K2 1/4W Resistor
R11,R12,R14,R15_3K3 1/4W Resistors
R13_____________2K7 1/4W Resistor
R16--R20________3K3 1/4W Resistors
R21____________56K 1/4W Resistor
R22____________68K 1/4W Resistor
R23_____________1K 1/4W Resistor

C1,C6_________220pF 63V Polystyrene Capacitors
C2,C7___________8n2 63V Polyester Capacitors
C3,C8__________82nF 63V Polyester Capacitors
C4,C9_________150nF 63V Polyester Capacitors
C5,C10________680nF 63V Polyester Capacitors

D1--D4______1N4148 75V 150mA Diodes
D5_____________LED 5mm. Red

IC1,IC2_____NE5532 Low noise Dual Op-amps
IC3__________TL084 Quad BIFET Op-Amp

SW1__________2 poles 3 ways rotary switch