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"A Brief Description:
The Jupiter 6 is a 6-voice polyphonic synthesizer with a 61-note (C-C) keyboard. Each voice consists of 2 VCOs. VCO1 is switchable between any combination of triangle, sawtooth, pulse, and square waves and can be switched between 4 octaves. VCO2 has the same options, except the square wave is replaced by a noise generator switch and it has a 6 octave range, with an octave above and below VCO1's range.
The Jupiter 6 also allows Oscillator Sync. VCO1 can be synced to VCO2 or vice-versa. Either or both VCOs can be modulated by either or both of the LFO and ENV1. The LFO features controls for rate, delay, and four waveforms, triangle, saw, square, and random (sample-and-hold). LFO2 is triggered by a big white button next to the pitchbend/modulation lever. There are two knobs, one for pitch (the level of LFO2 routed to the VCO) and the other for filter (the level of LFO2 routed to the VCF). In addition, there are also knobs that control the rise time (how fast LFO2 reaches full amplitude) and the rate of LFO2.
The VCF on the Jupiter 6 is unique amoung the Jupiter series in that it is a multimode filter, with either 4-pole lowpass, 4-pole highpass, or 2-pole bandpass. The filter is resonant in all modes allowing for some interesting resonant sweeps using the highpass and bandpass filter instead of the more common lowpass sweep. However, the Jupiter 6 does not have the separate fixed high-pass filter as do the other Jupiter models. The filter can be modulated by an envelope (either ENV1 or ENV2), the LFO, and keyboard tracking. There is a slider to determine the level of each of the three modulation sources. Both envelopes (ENV1 and ENV2) are ADSR (Attack Decay Sustain Release). A slider controls the amount the envelopes are modulated by key follow. ENV1 can be set to normal or negative polarity. ENV2 is hardwired to control the VCA, with a slider controlling the amount. The bender can affect pitch and/or filter cutoff, each of which has a slider for amount. VCO1 and VCO2 have separate on/off switches for bender modulation. There is also a "wide" bending option, which scales the bender to extreme ranges.
The Jupiter 6's memory can hold 48 patches, and 32 patch presets. Patch presets can store keyboard splits, along with the settings for the arpeggiator, voice assign mode, hold, portamento, as well as many of the modulation settings. The Jupiter 6 features keyboard split, allowing you to assign two voices to the upper split and four voices to the lower or vice-versa. The balance between both sides of the split is controlled by a slider. The arpeggiator is switchable between 1, 2, 3, and 4 octaves and three modes: up, down, or up and down. It can be assigned to work on either the lower or upper split or both. Portamento can be switched between Portamento and Glide. Glide quantizes the portamento into half-steps for a staircase effect. Portamento is separately programmable for both sides of a split."
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