serge 111A Variable Slope VCF

Parts list

 R1 330R
 R2 220K
 R3 220K
 R4 100K
 R5 100K
 R6 220K
 R7 330R
 R8 330R
 R9  47K
R10  47K
R11 330K
R12 820R
R13  22K
R14  33K
R15  22K
R16  475
R17  475
R18  6K8
R19  6K8
R20  47K
R21  15K
R22  33K
R23  1M0
R24  22K
R25 390R
R26  15K
R27 330K
R28  2K0
R29 220K
R30 470K
R31  1M0
R32 330K
R33 330K
R34  22K
R35  22K
R36 100K

VR1 100K
VR2 100K
VR3  10K

C1  0.01 ceramic
C2  0.22uf
C3  0.01 ceramic
C4  220pF polystyrene
C5  10k ceramic
C6  10k caramic
C7  220pF polystyrene
C8  0.01 ceramic
C9  221K ceramic

U1  TL082CP
U2  LM1458
U3  LM324

Q1  2N3567
Q2  2N3567
Q3  2N3567

D1  1N914 or 1N4148 ?
D2    Ditto
D3    Ditto