Yamaha - DGX-640

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Size/Weight

DimensionsWidth1,399mm (55-1/16″) with keyboard stand
Height761mm (29-15/16″) with keyboard stand
Depth445mm (17-1/2″) with keyboard stand
WeightWeight27.7kg (61lbs. 1oz.) with keyboard stand

Control Interface

KeyboardNumber of Keys88
TypeGraded Hammer Standard (GHS) Keyboard
Touch ResponseYes
Other ControllersPitch BendYes
DisplayTypeFull Dot LCD
Size320 x 240 dots
ColorMonochrome
ContrastYes
Score Display FunctionYes
Lyrics Display FunctionYes
LanguageEnglish
PanelLanguageEnglish
Tone GenerationTone Generating TechnologyAWM Stereo Sampling
PolyphonyNumber of Polyphony (Max.)64
PresetNumber of Voices142 + 381 XGlite + 12 Drum/SFX Kits
Featured Voices3 Live! Voices, 8 Sweet! Voices, 5 Cool! Voices
CompatibilityGMYes
XGliteYes
XFYes

Effects

TypesReverb35 types
Chorus44 types
DSP238 types
Master EQ5 types
FunctionsDual/LayersYes
SplitYes
Panel SustainYes (in Menu)

Accompaniment Styles

PresetNumber of Preset Styles165
FingeringMulti / Full Keyboard, AI Finger
Style ControlINTRO, MAIN x 2, FILL-IN, ENDING
CustomUser StylesStyle File Format
Other FeaturesEasy Song ArrangerYes
Music Database305 + External Files
One Touch Setting (OTS)Yes

Songs

PresetNumber of Preset Songs30
RecordingNumber of Songs5
Number of Tracks6 (5 Melody + 1 Chord)
Data CapacityApprox. 30,000 notes for 5 user songs (when only “melody” tracks are recorded)
Recording FunctionYes
Compatible Data FormatPlaybackSMF
RecordingSMF (Format 0)

Functions

RegistrationNumber of Buttons4 ( x 8 banks )
Lesson/GuidePerformance Assistant Technology (PAT)Chord, Melody, Chord/Free, Chord/Melody
Yamaha Education Suite (Y.E.S.)Waiting, Your tempo, Minus one, Repeat & Learn, Chord Dictionary
Demo/HelpDemonstrationYes
Overall ControlsMetronomeYes
Tempo Range5 – 280
Transpose-12 to 0, 0 to +12
TuningYes
MiscellaneousPIANO ButtonPortable Grand Button

Storage and Connectivity

StorageInternal Memory1895KB
External DrivesOptional USB Flash Memory (via USB To Device)
ConnectivityDC INDC IN 12V
Headphonesx 1
Sustain Pedalx 1
Pedal Unitx 1
USB TO DEVICEYes
USB TO HOSTYes
Amplifiers and Speakers
Amplifiers6W + 6W
Speakers12cm x 2 + 3cm x 2
Power Supply
Power SupplyAdaptor (PA-150 or the equivalent )
Bundled Software
CD-ROMYes
Accessories
Included AccessoriesMusic RestYes
Keyboard StandYes
Pedal/FootswitchYes
Song BookIncluded in CD-ROM with PFD format

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