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Yamaha - DGX-640 Portable Grand Piano Keyboard (Cherry)
B&H# YADGX640C Mfr# DGX640C
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The Yamaha DGX-640 Portable Grand Piano Keyboard delivers a wide range of quality pianos and other instruments, and its full size GHS (Graded Hammer Standard) keyboard gives it an authentic piano feel with the heaviest keys at the bottom of the keybed.

The DGX-640 provides the purist piano player with the convenience of a built-in arranger, sequencer recorder, DSP effects processor, music notation display and much more. The Yamaha Education Suite (Y.E.S.) is a set of built-in learning tools, making it easy for beginner and experienced musicians to improve their performance. All this and a built-in speaker / amplifier make the DGX-640 an ideal tool for stage performances, practice, rehearsals and more.

Graded Hammer Standard (GHS) Keyboard with Matte Finish of Black Keys
Just as on a traditional acoustic piano, the keys of the lower notes have a heavier touch, while the higher ones are more responsive to lighter playing. The keyboard's sensitivity can even be adjusted to match your playing style. This Graded Hammer technology also enables the instrument to provide authentic touch in a lightweight instrument. The matte finish of the black keys enhances the keyboard's luxurious appearance.
Amazingly Realistic and Dynamic Sounds
Yamaha's highly acclaimed Sweet! and Cool! Voices deliver incredibly natural and very dynamic sound. Use the Pitch Bend wheel and hear these Voices -especially the Sax and Trumpet - truly come alive.
Live!, Cool! and Sweet! Voices
A huge palette of acoustic and electronically amplified instrument sounds. A blend of long, stereo and multi-layered samples is used to fully capture the natural presence, resonance, expression and vibrato of the real instrument.
Digital Signal Processor (DSP)
237 types of the DSP effect can be added to the Main and Dual Voices. These range from reverb-like ambience effects to distortion and other dynamic processing tools that let you enhance the sound, or completely transform it.
Easy Song Arranger
In addition to each song's default style, you can select any other style to play the song with the Easy Song Arranger feature. This means that you can play a song that is normally a ballad, for example, as a bossa nova, as a hip-hop tune, etc. You can create totally different arrangements by changing the style with which a song is played. You can also change the song's melody Voice and the keyboard Voice for a complete change of image.
Performance Assistant Technology (P.A.T.)
Play along with a song on the instrument's keyboard and produce a perfect performance every time ... even if you play wrong notes! All you have to do is play on the keyboard--alternately on the left- and right-hand ranges of the keyboard, for example--and you'll sound like a pro as long as you play in time with the music.
Music Database plus External Files
You want to play music in your favorite style, but you're not sure how to select the best Voice and style for the type of music you want to play... simply select the appropriate style from the Music Database. The panel settings will automatically be adjusted for the ideal combination of sounds and style! Furthermore, this instrument allows Music Database files transferred from a computer or stored on a USB flash memory device. These files can be used in the same way as the internal Music Database.
The USB-To-Device on the instrument allows you to connect USB memory devices such as flash drives or hard drives, enabling you to save or load registrations and user songs created on the instrument, as well as read data from the connected device such as MIDI files or style files.
Dive in and take advantage of the wide world of computer music software. Connections and setup are exceptionally easy, and you can play back your computer-recorded parts with different instrument sounds - all from a single instrument.
Easy Performance with Music Notation Display
When you play back a song, the corresponding score will be shown on the display. This is a great way to learn how to read music. If the song contains lyric and chord data, the lyrics and chords will also appear on the score display.
Yamaha Education Suite (Y.E.S.)
Yamaha Education Suite (Y.E.S.) is an advanced set of helpful learning tools built into the instrument, letting you teach yourself how to play and perform. Y.E.S. helps you master a song with easy lesson steps. Each lesson can be done in isolation with either your left hand or right hand, or both.
Optional Three-Pedal Unit (LP-7A)
The pedal unit has three foot pedals that produce a range of expressive effects similar to those produced by the pedals on an acoustic piano.
Keyboard Voices: 535 Voices
Polyphony: 64
Piano Voice Quality: new Live!! Grand Piano
Featured Voices: 4 Pianos (Live! Grand Piano, Live! Pop Grand, Live! Warm Grand, Ambient Grand Piano) 9 Live! Voices / 7 Cool! Voices / 8 Sweet! Voices
Polyphony 64 Voices
Presets 535 Presets
Record and Playback Playback:
Number of Preset Songs: 30
Number of Preset Copyright Songs: 0
Compatible File Format: SMF

Number of Songs: 5
Number of Tracks: 6 (5Melody + 1Chord)
Compatible File Format: No (Original File Format)
User Song to SMF Converter: Yes
Score Display: Yes
Lyric Display: Yes
User Memory Flash Memory: Yes
External Storage Device: Yes (USB Flash Memory)
Effects Reverb: 35 types
Chorus: 44 types
DSP: 237 types
Preset Master EQ: 5 types
Dual: Yes
Split: Yes
Harmony / Echo: 26 types
Panel Sustain: Yes (in menu)
Controllers Pitch Bend Wheel: Yes
Pedal: Sustain or Optional 3 Pedals (LP-7A)
Inputs/Outputs Phones (Output): Yes
DC IN: Yes
Foot Switch: Yes
Pedal Unit: Yes (Optional)
USB TO DEVICE: Yes (front panel)
Amplifier Amplifier 6W x2
Speaker Size
Woofer: 4.72" (12cm) x2
Tweeter 1.18" (3cm) x2
Display Type: Full Dot LCD 320 x 240 Dots
Size: 98mm x 65mm
Backlit: Yes
Yamaha DGX-640 Portable Grand Piano Keyboard (Cherry)
  • Decorative Wooden Stand
  • PA150 Adapter
  • Sustain Pedal
  • 3 Year Warranty