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Specifications and options Operations that the OASYS can perform on media
225
Specifications and options
Operating temperature
+5 – +35 °C
System OA (Open Architecture) Synthesis System
Keyboard OASYS 88 88 key Real Weighted Hammer Action (RH2)
* The key weight of the RH2 keyboard differs in four stages across the pitch range (with low notes
being heavier, and high notes being lighter), delivering a playing feel similar to that of a grand
piano.
OASYS 76 76 key synth-action keyboard
Sound Engine Synthesis Types HD-1 (High Definition Synthesizer)
EXi (Expansion Instruments) AL-1 (AL-1 Analog Synthesizer)
CX-3 (CX-3 Tonewheel Organ)
STR-1 (STR-1 Plucked String)
MS-20EX (CMT Modeled Analog Synthesizer)
PolysixEX (CMT Modeled Analog Synthesizer)
Maximum Polyphony Maximum polyphony varies depending on the synthesis type, as shown below. The actual
polyphony will vary depending on the synthesis types and effects being used.
HD-1 172 voices max, without effects.
AL-1 96 voices max, without effects.
CX-3 172 voices max, without effects.
STR-1 48 voices max, without effects.
MS-20EX 48 voices max, without effects.
PolysixEX 172 voices max, without effects.
Dynamic voice allocation between synthesis types: exclusive system intelligently allocates
resources as necessary, so that the user does not need to specify fixed numbers of voices for each
type.
Preset PCM 314MB (1,505 Multi Samples and 1,388 Drum Samples).
Bundled EXs PCM Libraries 313MB: ROM Expansion EXs1 (229 Multi Samples and 1,483 Drum Samples).
503MB: Concert Grand EXs2 (10 Multi Samples).
PCM RAM 500MB
* The amount of PCM RAM will change depending on how you use the included EXs, system
software, and options.
Wave Sequences User Memory 374 Wave Sequences
Preload 150 Wave Sequences
New Wave Sequence features include support for stereo multisamples, enhanced tempo
synchronization, real-time modulation, dual AMS outputs per step, crossfade shapes, and more.
HD-1 Programs Advanced Vector Synthesis Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the
tempo-synchronized Vector Envelope.
Single/Double Structure Single = OSC1 only; Double = OSC1 & OSC2. Double mode lets you layer two completely
separate synth voices, each with their own velocity-switched oscillator, dual filters, EGs, LFOs, etc.
Oscillator 4 velocity zones per oscillator, with switching, crossfades and layers.
Each zone can play mono or stereo Multisamples or Wave Sequences.
Filters Dual resonant filters per voice.
Single, Serial, Parallel, and 24dB(4-Pole) configurations.
Low Pass, High Pass, Band Pass, and Band Reject modes.
Driver Per-voice nonlinear driver and low boost.
EQ Three bands, with sweepable mid.
Modulation 3 Envelopes, 2 per-voice LFOs, Common LFO, 4 Key Tracking generators.
AMS - modulate a large number of synthesis parameters via LFOs, Envelopes, and real-time
controllers.
2 AMS Mixers - combine and process AMS sources. Add, multiply, smooth, quantize, and more.
EXi Programs Advanced Vector Synthesis Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the
tempo-synchronized Vector Envelope.
Modulation Common Step Sequencer: 32-step sequencer with smoothing, adjustable step duration, and
tempo synchronization.
AMS - modulate a large number of synthesis parameters via LFOs, Envelopes, and real-time
controllers.
Common LFO, 2 Key Tracking Generators.
EQ Three bands, with sweepable mid.