I am souping up the church keyboard system. I am using an Ernie Ball volume pedal between the macbook and the stage box. It works on the last 10% of travel. Clearly not the ideal taper! What do I use?
While I have your attention, the PSU for the mac is not earth friendly. I can run it on the battery but inveriably when I am not there we get user error and I would like to make it as difficult as possible for them to get it wrong. New PSU o'clock?