Monotron
... that a heavily modified Monotron synthesizer was nicknamed "FrankenSynth" by music resource site Ask.Audio?
... that a heavily modified <b id="mwA6s"><a href="./Monotron" id="mwA6w" rel="mw:WikiLink" title="Monotron">Monotron</a></b> synthesizer <i id="mwA60">(PCB pictured)</i> was nicknamed "FrankenSynth" by music resource site Ask.Audio?