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Yamaha SY99 Multitimbral Music Workstation

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    The Yamaha SY99 combines frequency modulation synthesis and sample-based synthesis with a 76 keyboard, sequencing, dual SPX900 effects processors, and many other enhanced functions. The ability to mix two FM elements with two AWM elements has created one of Yamaha's most powerful synthesizers ever.


    AWM2 second generation 16-bit Advanced Wave Memory

    Its equipped with an expanded ROM, offering 267 waveform presets for unmatched sample playback quality.

    Expandable sample RAM

    It allows samples to be received via MIDI Sample Dump transfer, loaded from disk, or loaded from wave cards.

    AFM (Advanced Frequency Modulation)

    It provides a dramatic boost in FM sound quality and programming versatility.

    RCM (Realtime Convolution and Modulation)

    It achieves a new fusion of sample realism and the expressive power of FM.

    Versatile 1,2,3, or 4-element voice architecture

    In addition it is equipped with complex envelope generators for extensive sample layering capability.

    Advanced digital filters

    The filters are for dynamic timbre control.


    Multiple complex programmable envelope generators.

    Dynamic panning

    This is for enhanced sonic animation.

    Programmable aftertouch

    Plus assignable controllers.

    Two internal digital signal processors

    They provide 63 top-quality effects.

    Sophisticated master MIDI controller capabilities.

    Zoned aftertouch

    It enhances expressive control.

    Comprehensive display and data entry controls

    The controls are for intuitive programming.

    A multi-timbre mode

    10-song 16 track sequencer with 27,000-note capacity, and built-in drums provide powerful production capabilities.

    Dual assignable stereo outputs

    External storage

    Using 3.5" floppy drive and data cards.

    Complete MIDI implementation


    XI693A000 - Chick Corea Demo Disk
    SYEMB05 - Expansion Memory Board
    MCD64 - data cards
    Type: Digital
    Synthesis: Frequency Modulation, ROM, Sampling, Subtractive
    Oscillators: 14
    Waveforms: Pulse, ROM, Saw Down, Saw Up, Sine, Square, Triangle, Wave Table, White Noise
    Oscillator Notes:
    12 FM Oscillators
    2 AWM2 Oscillators
    16 FM Waveforms
    Envelopes: 20
    Evelope Paramerters: Delay, Rate 1, Level 1, Rate 2, Level 2, Rate 3, Level 3, Rate 4, Looping
    Envelope Notes::
    12 FM
    2 FM Global
    2 FM Filter
    2 AWM
    2 AWM Filter
    Filters: 8
    Types: 12dB Slope (2-pole), 24dB Slope (4-pole), Band Pass, High Pass, Low Pass, Resonance
    Filter Notes:
    2 Filters Element
    LFO: 6
    LFO Parameters: Sample & Hold, Saw Up, Saw Down, Sine, Square, Triangle, Delay, Freerun, Key Sync
    LFO Notes::
    4 FM
    2 AWM
    Polyphony & Tuning
    Polyphony: 32
    Timbrality: 16
    Patches RAM: 64 voices, 16 multis
    Patches ROM: 128 voice, 16 Multis
    Storage: Tape, Internal, RAM Cartridge, ROM Cartridge
    Editing: MIDI
    2 SPX900 effects processors
    63 types of effects
    16 tracks
    27,000 note capacity
    99 patterns
    10 songs
    Chips and Operating System
    v1.57 Final Firmware
    Case: Keyboard
    Case Details: 73 semi-weighted keys
    Controls: Aftertouch, Breath, Velocity, Mod - Wheel, Mod - Wheel 2, Pitch -Wheel, Modulation 1/4" Jacks, Pedal - Sustain, Pedal - Volume
    Display Notes: LCD: 240x64 pixels, backlight,
    Dimensions (WxDxH): 1254 (W) x 407 (D) x 120 (H) mm (4'1-3/8" x 1'4" x 4-3/8")
    Weight: 19.6 kg (43 lbs 3 oz)
    Audio Output Connections: 1/4" Phone Jack, Stereo Main, Stereo 2, Stereo Headphone
    Audio Output Notes: Output 1 L/R 1/4" TR, Output 2 L/R 1/4" TR, Headphones 1/4" TRS
    MIDI Ports: IN, OUT, THRU
    DAC Bits: 16
    DAC Frequency Rate: 48
    Power: 120 V AC IEC Connector 3W / 220V
    Year Released: 1991
    Used By
    Chick Corea, Toto, Vangelis,
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] usa.yamaha.com
    MSRP List Price: $3,995 - convert
    Retail Street Price: $3,800 - convert
    Used Price: $500 - $800 - convert
    YouTube Videos
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