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General| Brand | ARP |
|---|---|
| Model | OMNI-2 2471 |
| Category | Electronic Keyboard |
| Language | English |
User interface controls for string, synth, and bass sections.
Various audio output types and levels for different sections.
Connectivity for external processors and control voltages.
Keyboard, pedals, sustain switch, materials, and weight details.
Explains core frequency generation and division circuitry.
Circuit for single-note operation in bass voices.
Details voltage signals for bass note keying and priority.
Explains circuits detecting gate signals for keyboard input.
Describes waveform shaping for bass voices.
Details how bias affects waveform shaping for different sounds.
Explains circuit generating a single pulse for bass ADR.
Describes summing circuits for polyphonic voices.
Explains selection of pitch ranges for strings and bass.
Details envelope generator and suppression for string voices.
Describes circuit syncing AR release with audio signal decay.
Explains preventing ADSR triggering when pedals are released.
Details the LFO circuit generating triangle and square waves.
Explains VCA controlled by ADSR for synth section.
Details VCA controlled by String AR Envelope.
Describes master volume and mix controls for output levels.
Explains selection of synth pitch ranges.
Describes VCF for synth section and its controls.
Explains ADSR triggering by key presses and gating signals.
Details Attack, Decay, Sustain, Release envelope generator.
Describes voltage-controlled filter for bass voices.
Explains Attack/Release envelope generator for bass voices.
Details VCA for routing string signals to master volume.
Details VCA for routing synth signals to master volume.
Details the positive voltage regulation circuit.
Details the negative voltage regulation circuit.
Explains current limiting for power supply protection.
Describes the LM339 comparator IC used in the unit.
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