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# What is this?

This is a dual channel preamp in the making. I intend to use it with my [Chapman
Stick](http://stick.com).

You will need the [gEDA programs](http://www.geda-project.org) to view and edit
these files. The [PCB editor](http://pcb.geda-project.org) is required to edit
the board.

# Updating the board

After changing any of the schematics, the board should be updated in
the gschem directory with `gsch2pcb`.

    gsch2pcb -d ~/.guix-profile/share/pcb/pcblib-newlib/geda/ project

This will place any new components in a file `board.new.pcb` and
generate a new netlist file `board.net`.  The new components and the
netlist file can then be loaded into PCB from the File menu.