Late last night, I've accidentally fried my Oberheim Cyclone arpeggiator by using the wrong polarity tip on my universal power adapter (negative instead of positive!). This piece of late 80's hardware is rare as hell and pricey. FML. I have my MIDIpal, but the arpeggiator on that thing is uninspiring, bland and preset driven (I can't edit my own arp sequences!). Sigh.