The circuit is very simple with only 5 parts, but performs very nicely when used with the right size antenna.
Part Total Qty. Description Substitutions
C1 1 Tuning Capacitor
D1 1 1N34 Germanium Diode
L1 1 Loopstick Antenna
SPKR1 1 Crystal Earphone
MISC 1 Wire, Board, Wire For Antenna, Knob For C1
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