29
6. If you cut the copper tape into two pieces, put a solder joint spanning the edge of the two pieces
so they will be electrically connected (94).
7. Solder the ground wire anywhere on the copper tape (95). When soldering the copper tape
make sure you don’t use too much heat which could melt the electrical tape under the copper.
94
95
96
The copper shielded electronics of the Cortado can be anchored to the inside of the instrument with
Velcro
®
. The disc should be mounted to a flat, resonating surface inside the instrument, such as the
sound board of an acoustic guitar. Experiment with placement by using a temporary adhesive such as
sticky-tack, or poster putty. When you find the sweet spot, permanently attach the piezo with epoxy.
An alternate way to permanently wire the output of the Cortado is to replace the XLR jack with a
balanced female end-pin jack installed through the body of the instrument. You can plug the instrument
into a sound system using a
1
/
4
” TRS male to XLR male cable, in order to supply phantom power to the
circuit.