There used to be a VCO-1 and a VCO-2
VCO-2 got a significant upgrade in Rack 2 and is now called Wavetable VCO (WT VCO)
As there is no longer a VCO-2, the name VCO-1 no longer really made sense - so it is now just VCO
There used to be a VCO-1 and a VCO-2
VCO-2 got a significant upgrade in Rack 2 and is now called Wavetable VCO (WT VCO)
As there is no longer a VCO-2, the name VCO-1 no longer really made sense - so it is now just VCO