One main stereo and main mono output. Two voltage controlled discrete analog oscillators and one sub wave of Oscillator 1 .
All waveforms output simultaneously.
Syncing of Osc 2 to Osc 1. 12db filter has low pass, bandpass, high pass, and band reject modes. Each voice has the capability of having four different filters available for use. Filters do not operate in series or parallel. Roland 303 and Arp 2600.