 The instrument also included a monophonic Bass Synthesizer section and a polyphonic Synthesizer section.The Synthesizer section featured a 24 dB/oct Voltage-Controlled Low Pass Filter (LPF); an ADSR envelope generator and a single waveform (triangle) Low Frequency Oscillator (LFO) were both routed to control the VCF Cutoff frequency.A Waveform Enhancement switch allowed selection of a square wave voice waveform vs. the default quasi-sawtooth waveform.