Specifications

Feature	Value	Comment
Dimensions
Width	1,390mm (54-3/4")
Height	Key cover closed 783mm (30-13/16") / Key cover open 982mm (38-11/16")
Depth	299mm (11-3/4") / anti-fall brackets attached 370mm (14-9/16")
Weight
Weight	36kg (79lbs., 6oz.)
Keyboard
Number of Keys	88
Type	Graded Hammer Standard (GHS) Keyboard with matte black keytops
Touch Sensitivity	Hard/Medium/Soft/Fixed
Pedal
Number of Pedals	3
Half Pedal	Yes
Functions	Damper, Sostenuto, Soft
Functions
Dual/Layers	Yes
Panel
Language	English
Key Cover
Key Cover Style	Soft-shut
Color/Finish	Dark Alder
Music Rest	Yes
Tone Generation
Tone Generating Technology	AWM Stereo Sampling
Polyphony
Number of Polyphony (Max.)	64
Preset
Number of Voices	6
Number of Preset Songs	50
Types
Reverb	Yes
Recording	Original Format
Recording
Number of Songs	1
Number of Tracks	1
Data Capacity	65KB (ca. 11,000 notes) for User Song
Recording Function	Yes
Compatible Data Format
Playback	Original Format, SMF(Format 0)
Overall Controls
Metronome	Yes
Tempo Range	32 - 280
Transpose	-6 to 0, 0 to +6
Tuning	Yes
Storage
Internal Memory	352KB
Connectivity
Headphones	x 2
MIDI	In/Out
Amplifiers	6W x 2
Speakers	(12cm x 6cm) x 2
Included Accessories
Song Book	"50 greats for the Piano"
Release Date
First seen	4 November 2010

Yamaha YDP-S31