Features:
Oscillators Module FREQUENCY controls (2) vary the frequencies of Oscillators #2 and #3 over a +/-7 semitone range with respect to Oscillator #1. OCTAVE selectors (3) set the frequency ranges of the oscillators in six octave steps. WAVE controls (3) provide continuous control over the waveforms of the oscillators, from triangular, to sawtooth, to square, to narrow rectangular. 1-2 SYNC switch synchronizes the Oscillator #2 waveform to the frequency of Oscillator #1, for dramatic timbral effects. 3-1 FM switch provides linear frequency modulation of Oscillator #1 by Oscillator #3. 3 KB CONT switch disconnects Oscillator #3 from control by the keyboard, thereby enabling it to function as a drone. 3 FREQ switch lowers the frequency of Oscillator #3 into the sub-audio range, thereby enabling it to function as a low frequency audio or modulating oscillator.
Mixer Module Input Level controls (5) adjust the relative levels of the oscillator, noise, and external audio input signals. Input switches (5) enable the player to quickly switch individual audio signals in and out. External Level LED enables the player to set the correct external audio signal level.
Filters Module CUTOFF control sweeps the frequencies of both filters throughout the audio range. SPACING control sets the spacing between the frequencies of the two filters, over a +/-3 octave range. RESONANCE control adjusts the resonance of both filters, from none (pure lowpass response) to filter oscillation. KB CONT AMOUNT control sets how much the filters open and close as the player presses different keys on the keyboard. Dual Lowpass/Highpass-Lowpass switch selects between dual lowpass operation or highpass-lowpass operation.
Envelopes Module ATTACK controls (2) determine the attack times of the envelopes. DECAY controls (2) determine the decay time constants of the envelopes. SUSTAIN controls (2) determine the sustain levels of the envelopes. RELEASE controls (2) determine the release time constants of the envelopes. AMOUNT TO FILTER control determines how much the filter envelope will open and close the filter, from full negative (inverted envelope) to full positive (non-inverted envelope). ENVELOPE GATE SWITCH selects whether the envelopes will be triggered by the keyboard, on , or by an externally-applied gate.
LFO Module RATE control sets the LFO rate over the range 0.2 Hz (one cycle every five seconds) to 50 Hz (fifty times a second). SYNC selector selects LFO synchronization source to be from the keyboard gate, external envelope gate, external gate, or off (no synchronization). RATE LED provides visual indication of the LFO rate.
Modulation Busses Module SOURCE selectors (2) selects the modulation source from the LFO triangle or square waveforms, Oscillator# 3, sample and hold, the external modulation input (MOD2) or noise. DESTINATION selectors (2) selects the modulation destination from all the audio oscillators, just Oscillator #2, just Oscillator #3, the filter cutoff frequencies, the oscillator waveforms, or LFO Rate. SHAPING selectors (2) selects the key pressure signal, filter envelope, note-on velocity or on to shape the modulation signal on that bus. AMOUNT controls (2) sets the overall modulation amount for each bus.
Output Module MASTER VOLUME control sets the overall level of the instrument's audio outputs. HEADPHONE VOLUME control sets the overall level of the headphone output. HEADPHONES jack: 1/4" tip-ring-sleeve phone jack for regular headphones.
Glide and Fine Tune Module GLIDE varies the speed at which the keyboard voltage changes, from instantaneous to several seconds. FINE TUNE adjusts the overall tuning of the instrument.
Player Control Interfaces 44 KEY KEYBOARD produces Pitch, Gate, Velocity, and Pressure control outputs. WHEELS: Pitch Wheel bends pitch over a range of up to +/-1 octave. Mod wheel controls the gain of the MOD WHEEL bus. GLIDE and RELEASE switches provide real-time on-off control over the glide and release functions. THREE DIMENSIONALTOUCH SURFACE provides three continuously-variable control signals which are derived from the up-down and left-right position of the player's finger, and the amount of area with which the player makes contact to the surface.
Pedal/Control Inputs VOLUME PAN FILTER CUTOFF WAVEFORM PITCH MOD2 - EXTERNAL MODULATION SOURCE MOD1 - EXTERNAL CONTROL OF THE PEDAL MOD. BUS SAMPLE AND HOLD IN ENVELOPES RATE LFO RATE
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