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Soundboard material
|
European and American Superior Spruce
|
|
Soundboard resonance propagation range
|
1,250
|
|
Wall bars-quantity, shape
|
10. Square arc
|
|
Soundboard structure
|
Equal thickness solid wood sound board
|
|
Cast iron plate
|
V method vacuum casting
|
|
Iron surface
|
Light red gold metallic paint
|
|
Peg Board-Material
|
17 layers of beech wood, density 820-870kg/m³
|
|
Wooden frame back column
|
3+2 back column Spruce wood finger jointed skin
|
|
Cutting rod (corner cross rib)-material, quantity
|
Beech, 1
|
|
Piano shell material
|
Medium density fiberboard, fireproof board, solid wood
|
|
Treble bridge
|
European imported solid beech
|
|
Bass bridge
|
European imported solid beech
|
|
Yard bridge nail
|
Steel round head
|
|
Tuner material-quantity
|
Brass 88
|
|
Strings-Material
|
ROSLAU, Germany
|
|
String attachment
|
Single string group, double strings group, 3 strings group
|
|
Silencer-Quantity
|
69
|
|
Action
|
High level domestic, PETROF custom-made 40-layer beech main gear action
|
|
Hammer
|
German FFW felt
|
|
keyboard
|
Spruce solid wood
|
|
Black key
|
ebony
|
|
Keyboard adjustment, touch weight
|
Bass key 52g Treble key 48g
|
|
pedal
|
Brushed copper, left soft pedal, middle mute pedal, right sustain pedal
|
|
Metal parts, casters
|
all bronze
|
|
Felt color
|
blue
|
|
Hydraulic slow down device
|
Yes
|
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