Action Regulation - Yamaha Disklavier MX100A Product Handbook

3. Action Regulation

The following adjustments also differ from adjustments for a conventional acoustic piano.
Hybrid Models vs. Acoustic Pianos: Differences in Regulation Standards
1. Silent UP: LET-OFF
2. Disklavier Pedal Adjustment See "Pedal Measurement" (p. II-15, 16)
3. MPX70 Spoon Bending
4. GranTouch
• GT1/GT2 Striking Distance:
• GT10 Let-off:
Hammer stop:
White-key height:
Striking distance:
58 mm
• GT15/20
Regulation Values
Let-off:
Hammer Stop:
White-key height:
Striking distance:
See "SHANK STOPPER Adjustment" (p. II-2)
15 mm / Slightly earlier position will provide better playback (especially
for pianissimo)
43.5 mm
2.5 mm
11 mm
58 mm
40 mm
1mm
8mm
58 mm above keybed level (same as GT10)
34 mm
• Let-off
• Hammer stop
II-9
40 mm
• Striking distance