Component list
Resistors
R1, R3 = 2.2kOhm
R2 = 150Ohm
P1 = 10kOhm linear potentiometer
P2 = 4.7kOhm trimpot
Capacitors
C1, C5 = 10nF
C2, C4 =100µF electrolytic
C3 = 22nF
C6 = 200pF tuning capacitor (see text)
C7 = twisted wire (pigtail) capacitor (see text)
C8 = =80pF trimmer
Inductors
L1–L5 = see text
Semiconductors
D1 = germanium diode like OA91, AA112, AA119, etc.
T1, T2 = BC547B
T3 = BC557B
Miscellaneous
K1 = 3.5 mm stereo jack socket
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