The packaging of "builtin" LADSPA plugins in Ardour 2.8.13 was broken, making all 95 plugins included there unusable. A new package was released to correct the problem, but if you already downloaded 2.8.13 you might want to fix the problem in a faster, more direct way.
- Determine where you put you copy of Ardour.app (you probably dragged it out of the folder that popped up after your download was finished, maybe to your desktop, maybe somewhere else). If you put it on the Desktop, then its location is
~/Desktop/Ardour.app. If you put it in Applications, its location is
/Applications/Ardour.app. If you put it somewhere else, its up to you to determine the location.
- Open Applications -> Utilities -> Terminal
- In the terminal window, type the following command, replacing the filename with the location of Ardour.app on your machine:
- In the terminal window, type the following commands, pressing the Enter/Return key after each one:
rm -rf Plugins
curl -O http://ardour.org/files/Plugins.tar.bz2
tar zxf Plugins.tar.bz2