modification
brand	models*	repair / tunning	fotos
KORG	Poly-800	I added the function control knobs of the cutoff and resonance and FM filter with the help of DCO1, DCO2 or external signal.
	*other instruments on request	It sounds quiet interresting and it is usable for fx sounds like against aliens etc.
sounds: P800 filter FM P800 filter FM2 P800 filter reson. P800 modulation