93
CHAPTER
12
Specifications
General
Sensor System
Key Sensors
Noncontact optical fiber/grayscale shutter sensing system for 88 keys (senses
the key position, keying velocity, and key releasing velocity)
Hammer Sensors
*
* Equipped with the C3 grand
piano or higher specification
models only.
Noncontact optical fiber/grayscale shutter sensing system
Pedal Sensors
Noncontact digital optical sensing system (senses the pedal position*)
* Continuous sensing for the damper and soft pedals, and on/off sensing for the
sostenuto pedal.
Drive System
Keys
DSP servo drive system (high-power servocontrolled solenoids with
supersensitive magnetic sensor*)
* The supersensitive magnetic sensor is only for the PRO Series.
Pedals
DSP servo drive system (servocontrolled solenoids)
Data Storage
Internal HDD
80 GB
File Format
Standard MIDI File (SMF) FORMAT 0/1, E-SEQ
Removable Media
Compact Disc
Yamaha PianoSoft·PlusAudio, audio CD (ISO 9600-compliant), Data CD
(ISO 9660 Level1-compliant)
Floppy Disk
3.5” 2DD (720 KB) or 2HD (1.44 MB) floppy disk
USB Flash Memory
Yamaha does not assure the operation of all the commercially available USB
flash memories. For a list of compatible products, please visit
www.yamaha.com/disklavier.
USB Hard Disk Drive
FAT32 format
Media Center
Drive
CD and floppy disk drive
Dimensions (W
×
H
×
D)
405
×
257
×
73 mm (16
×
10 1/8
×
2 7/8 in.)
Weight
3.3 kg (7.3 lb.)
Pocket Controller
Dimensions (W
×
H
×
D)
74
×
138
×
23 mm (2 15/16
×
5 7/16
×
15/16 in.)
Weight
210 g (7.4 oz.) (not incl. screen protector, wireless LAN card, incl.
rechargeable battery)
Monitor Speakers*
* Supplied only with
the Mark IV Series.
Rated Power Output
20W
×
2 with tone and volume controls
Drivers
16 cm (6 5/16 in.) woofer
×
2, 2.5 cm (1 in.) tweeter
×
2
Dimensions (W
×
H
×
D)
144
×
236
×
167 mm (5 11/16
×
9 5/16
×
6 5/8 in.)
Weight
4.4 kg (9.7 lb.)
Record/Playback Mode
Standard mode (Mark IV Series), XP mode (PRO Series)
Pitch Control
Set at A=440 Hz, tunable ±50 cents in 1 cent increment
Silencing Mechanism
Motor-driven hammer shank stopper
Piano Voice and
Performance Tone
Type
AWM2/Articulation Element Modeling (AEM)
Polyphony
64 notes digital stereo sampling (90 MB wave memory, 16 bit linear)
(AWM2)/ 6 notes Articulation Element Modeling (AEM)
Normal Voices
Piano (digital stereo sampling) and other 42 voices
Summary of Contents for Mark IV
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