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Kurzweil K2000

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    Description
    Kurzweil Music Systems released the K2000 music V.A.S.T. Music workstation in 1990. V.A.S.T. stands for variable-architecture synthesis technology. It is variable in that the user can select different signal paths, which contain different DSP functions, for use in creating and shaping a sound. V.A.S.T. also includes an extensive modulation system, similar in concept to that of analog modular synthesizers. A wide array of modulation sources can be assigned to various parameters within a signal path, and modulation sources can be combined to create new modulation sources.

    The basic component of a V.A.S.T. program is a "layer". A layer on the K2000 contains a single "algorithm", which contains up to four slots for user-assignable DSP functions. The algorithm assigned to a layer is preceded by several other functions, or "blocks". There is the "keymap" block, which determines which (if any) samples are assigned to the keyboard in the layer. This is succeeded by the "pitch" block, which determines how the "keymap" is pitched across the keyboard. Following the "algorithm" section is an amplifier block (and a dedicated multi-mode envelope to modulate the gain of the sound over time) and, finally, an "output" block that determines which group of outputs (there are four output groups on the rack version, two on the keyboard version) the sound is assigned to and how it is panned between the two outputs in a stereo group.

    Many layers can make up a "program", similar to a "patch" on other synthesizers. Within a program, each layer can have independent settings in all of the various blocks, including different algorithms, pan positions, output mappings, etc. Modulation sources can be routed to almost all of these, and can be independently assigned within a layer and between layers. Thus using a particular modulation source in one "block" does not exclude it from being used elsewhere (for instance you could assign keystroke velocity to control, say, filter frequency cutoff and resonance in one layer, while in another it can be assigned to control pitch or pan position). There are 31 algorithms available in the K2000.
    Images
    Architecture
    Type: Digital
    Synthesis: ROM, Sampling
    Oscillators: 3
    Waveforms: Saw Down, Saw Up, Sine, Square, Triangle, Wave Table, White Noise
    ROM Size: 8
    ROM Resolution: 16 bit, 44.1 kHz
    Osc Modulation: After Touch, Continuous Controller, Envelope, Input, Keyboard, Knob, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Glide / Portamento, Sequencer, Velocity
    Sampling: 16 bit, 44.1 kHz, 48 kHz
    Envelopes
    Envelopes: 3
    Evelope Paramerters: Attack, Sustain, Release
    Filters: 2
    Types: 12dB Slope (2-pole), 18dB Slope, 24dB Slope (4-pole), High Pass, Low Pass, Resonance
    Filter Modulation: Breath Controller, Envelope, Input, Keyboard, Knob, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Portamento, Sequencer
    LFO
    LFO: 2
    LFO Parameters: Sample & Hold, Square, Triangle
    Polyphony & Tuning
    Polyphony: 24
    Timbrality: 16
    Tuning: Atonal, Micro, Standard
    Patches
    Patches RAM: 199
    Patches ROM: 199
    Multipatches RAM: 100
    Multipatches ROM: 100
    Storage: Floppy, Hard Drive, Internal
    Editing: MIDI, SCSI
    Sequencer
    30,000 note expandable to 90,000 notes
    Case
    Case: Keyboard
    Keyboard: 61 keys
    Controls: Aftertouch, Modulation - Audio Input, Buttons, Mod - Wheel, Pitch -Wheel, Sequencer, Pedal - Sustain, Tempo Knob, Velocity, Pedal - Volume
    Display Type: LCD
    Display Count H: 320
    Display Count V: 64
    Dimensions (WxDxH): Width 16.9 in* 43 cm Depth 13.9 in 35.4 cm Height 5.1 in 13 cm
    Weight: Weight: 24.65 lb 11.2 kg
    Connections
    Audio Output Connections: 1/4" Phone Jack, Mono Out, Stereo Main, Stereo Headphone
    Audio Output Count: 6
    Audio Output Notes: 7
    Inputs: 2
    MIDI Ports: IN, OUT
    General MIDI: GS - General Standard, GM - General MIDI, GM2 - General MIDI 2, XG - Extention to General MIDI
    Pricing
    Used: 200-375
    Production
    Released: 1990
    Discontinued: 2003
    Manuals & Documents

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