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Technical specification
P 284 Mistral
Length   (mm)    2840 mm (112 inch)
Width     (mm) 1580 mm (62 inch)
Height   (mm) 1030 mm (40,5 inch)
Weight   (kg) 560 kg (1235 lb)
Sound board material solid resonance spruce wood
Sound board active area  2,029 m2
Ribs (number, shape) 16, asymetric
Soundboard construction diaphragmatic
Cast iron plate wet sand casting
Surfacing of iron plate light gold metallic paint, diamond effekt
Pin block - material multiplex beech plywood
Inner rim material beech, birch 
Inner rim thickness 50 mm
Wooden frame posts spruce, 5 longitudinal + 2 cross
Descant post material beech wood
Cut off bar (corner cross rib) round shaped, multiple birch or beech
Outer rim - material birch plywood sandwich, inner veneer  Ebony Makassar
Bridge - treble solid maple wood
Bridge - bass solid maple wood
Bridge pins steel-ground tips
Agraffes (material, number) brass, 1-53
Duplexes - front d2 - c5
Duplexes - rear ais - c5
Strings - material steel wire, copper winding
Hitching of plain strings  single
Dampers - number 1-69
Action top quality european action
Hammer heads top quality felt hammer heads
Keyboard spruce wood, individually balanced keys
Keys balancing, touch weight  55g in bass - 50g in treble
Black keys Ebony wood
Pedals Unacorda (Piano) pedal, Sostenuto (Prolongement) pedal, Forte pedal
Castors brass, braked castors 
PETROF sign on right side wall PETROF
Felts colour red+ black
Hydraulic slow close fallboard mech. yes
Print page
 

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President's word

Zuzana Ceralova PetrofovaI am honored that grand and upright pianos of PETROF brand have been a source of delight not only for top-class piano players, composers, students and their teachers, but that they with their romantic and sophisticated tone have also been touching the hearts of music lovers all over the world for almost 150 years.
 
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Mgr. Zuzana Ceralova Petrofova
president of the company
Sales and services
Evropa a Petrof
© Copyright 2012 | PETROF, spol. s r.o | Na Brně 1955 | 500 06 Hradec Králové | ČESKÁ REPUBLIKA