Component List

Resistors (5%, 0.25 W)
R30 = 100 Ω
R1 = 470 Ω
R39 = 560 Ω
R36 = 680 Ω
R26 = 1 kΩ
R35 = 2.2 kΩ
R18 = 4.7 kΩ
R2, R5, R6, R9, R10, R13 = 6.8 kΩ
R16, R37, R38 = 10 kΩ
R14, R24 = 22 kΩ
R15 = 33 kΩ
R7, R20 = 39 kΩ
R11, R19, R21, R28 = 47 kΩ
R4, R12, R17, R23, R25, R31, R32, R33, R34 = 68 kΩ
R22 = 100 kΩ
R8 = 180 kΩ
R3 = 270 kΩ
R29 = 680 kΩ
R27 = 1 MΩ
P1, P2 = 50 kΩ trimmer
    
Capacitors    
C13 = 4.7 nF
C11 = 47 nF
C12 = 100 nF
C10 = 220 nF
C9, C14, C15, C17, C19 = 10 µF, 16 V, 2 mm pitch
C2, C3, C4, C5, C6, C7 = 47 µF, 16 V, 2 mm pitch
C1, C8, C16, C18 = 100 µF, 16 V, 2.5 mm pitch
    
Semiconductors
D1, D2 = 1N4148
D3 = BAT48
T1, T2, T3, T4, T5, T6, T7, T8, T9, T10 = BC547C

Divers
BAT1 = PP3 9 V battery holder
K1 = speaker 8 Ω, 200 mW
S1 = slide switch