I had one in my Prodigy and it never ! ! ! ! ! worked propelly ,Synth wasgoing out of tune if you went from a c1 to c3 calibrating didn't solve the problem i had to remove it as the synth was not working propelly with it .
The guy making them is great though .He sent me a 2nd one as the first got lost in the post....
My Gear : SYNTHS : Novation Bass Station 2, Novation K-Station, Arturia SparkLe VST.
OTHER EQUIPEMENT : Fostex Pm1 MkII Monitors, Focusrite 18i8, Rhode NT-2