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Yamaha DX7IID Digital Programmable Algorithm Synthesizer

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    Description
    Three improved "DX7 II" models were released between 1987 and 1989, all of which featured updated internal circuitry and a restyled case. These were the DX7 IID, which improved sound quality from 12-bit to 16-bit, increased the internal patch memory and allowed bi-timbrality; the DX7 IIFD, which was identical to the DX7 IID except that it also had a floppy disk drive.

    Dual and Split Mode

    In Dual and Split Modes, two different voices can be played in unison or on separate parts of the keyboard and output in stereo.

    Stereo Effects

    The Pan parameters not only let the user determine the position of voices in the stereo field according to key touch or when part of the keyboard is played, but also create various special effects such as automatic panning between left and right channels.

    Fractional Scaling

    Operator output level Scaling can now be programmed individually for each group of three keys, giving the user natural keyboard control over timbre and volume.

    Micro Tuning

    Micro Tuning gives the user the possibility of "tempering" the instruments in any conceivable way. Preset tuning variations include Equal, Pure (C major, A minor) and Mean Tone temperaments.

    Unison Key Modes

    In the Unison (mono and Poly) Modes, 4 sound generation units are assigned to each key. These can be detuned to achieve a "fat" sound.

    Pitch Bend

    Pitch Bend can be programmed so as to affect only the lowest or highest note of a chord, or notes played but not their sustained sound. In addition, pitch bend effects can be controlled by aftertouch or breath controller.

    Performance Memories

    Save favorite voice combinations along with pan and various control settings in special "Performance" memory.

    Glissando Pitch

    With the Portamento Step parameter, Glissando Pitch stepping can be regulated from 1 semitone to 1 octave.

    Storage of Voices and Performance Data Groups

    Store 64 voices and 32 "Performance Data Groups" each in the internal memory and optional RAM cartridge memories for hundreds of voice combinations.

    Low Frequency Oscillators (LFO)

    The DX7IID has 16 Low Frequency Oscillators (LFO), one for each voice. In the multiple trigger mode, a totally independent LFO cycle can be started for each note played, making ensemble vibrato and tremolo more realistic.

    Micro Tuning

    Micro Tuning gives the user the possibility of "tempering" the instruments in any conceivable way. Preset tuning variations include Equal, Pure (C major, A minor) and Mean Tone temperaments.
    Images
    Architecture
    Type: Digital
    Synthesis: Frequency Modulation
    Oscillators: 6
    Waveforms: Sine
    Envelopes: 6
    Evelope Paramerters: Rate 1, Level 1, Rate 2, Level 2, Level 3, Rate 4, Level 4
    LFO: 1
    LFO Parameters: Sample & Hold, Saw Up, Saw Down, Square, Triangle, Delay, Key Sync
    Polyphony & Tuning
    Polyphony: 16
    Timbrality: 2
    Tuning: Micro, Standard
    Patches
    Patches RAM: 64
    Storage: Tape, Internal, RAM Cartridge, ROM Cartridge
    Editing: MIDI
    Case
    Case: Keyboard
    Case Details: 61 semi-weighted keys
    Controls: Aftertouch, Breath, Velocity, Faders, Mod - Wheel, Pitch -Wheel, Pedal - Sustain, Pedal - Volume
    Display Notes: LCD: 40 x 2, Backlit
    Dimensions (WxDxH): 999(w) x 85.8(h) x 333.7(d) mm
    Weight: 10.5 kg
    Connections
    Audio Output Connections: 1/4" Phone Jack, Stereo Main, Stereo Headphone
    Audio Output Count: 4
    Inputs: Breath Controller
    MIDI Ports: IN, OUT, THRU
    DAC Bits: 15
    DAC Frequency Rate: 44.1
    Power: 120 / 220 V AC
    Production
    Year Released: 1986
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] usa.yamaha.com
    Pricing
    MSRP List Price: $2195 - convert
    Retail Street Price: $2000 - convert
    Used Price: $300 - $500 - convert
    Shopping
    YouTube Videos
    Related Synthesizers
    DX7 (1983)
    DX7IIFD (1987)
    DX7s (1987)
    TX802 (1987)
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