3. MAKE THE PLUG
3a. Cut and strip both ends of three 16"
pieces of stranded wire. Twist the ends.
3b. Remove the audio plug cover. Slip
the wires through the right, left, and
center terminals of the plug and twist
them into place. Solder.
3c. Cut two 1" pieces of heat-shrink
tubing. Slip them over the right and
left terminals and shrink.
3d. Using a black marker, mark the
4. BUILD THE CIRCUIT
bottom of the wire leading from
the center terminal. This will be the
ground wire. Slip clear ¼"-diameter
heat-shrink tubing over all 3 wires. Do
not shrink. Replace the plug cover.
If you’ve never built a circuit on a
perforated board before, go to
craftzine.com/07/speakers for more
detailed information on how to use a
The illustration at right shows how
the components of the circuit are
connected to each other.
NOTE: This schematic is not
a direct translation of how the
circuit will be played out on
the perforated board.
WIRES DO NOT