I use my Xkey 25 Air pretty much every day in the studio. No matter what state my studio wiring is in, I can just turn this bad boy on and I’ve got velocity, pressure, mod wheel, pitch bend and octave shifts at my fingertips.
Because it’s so compact with no knobs to snap off – I also throw it in my pack for experimental ensemble sessions and performance where I don’t want to bring a lot of gear. In these situations I don’t want to have use a finger to hold the sustain button for drones and/or holding notes for synths that don’t support arp latch (U-He synths for example).
The good news is you can configure the button to toggle the sustain pedal on and off. Open the Xkey editor then:
- Press “Read Selected from Xkey” button in the interface to load the current settings of the Xkey into the editor.
- Click the sustain button in the editor’s interface
- Change mode from “Push” to “Switch”
- Make sure the CC Number is set to “CC64: Hold Pedal On/Off”
- Press the “Save modified to Xkey” to save changes back to Xkey
That’s it! Now when you press the sustain button, it will toggle on as if you were holding the button down (or your foot on a sustain pedal). Press it again, and the sustain releases.
Sound Designer and Teacher of Synth Tech & Technique
Composer, Synthesist, Electronic Musician & Multimedia Artist | Sr. Systems Analyst | Founder of the Rocky Mountain Synthesizer Meetup