P 284 Mistral grand piano
P 284 Mistral grand piano
P 284 Mistral The P 284 Mistral concert grand piano is an improved, masterfully built instrument for professional use in concert halls. Thanks to its sound potential, it is suitable for the interpretation of musically demanding pieces. It has the characteristic PETROF grand piano sound and extremely beautiful appearance.  


ground view
a 1580 mm ° 62,20“
b 2840 mm ° 111,42“
height Height - 1014 mm ° 39,92“
weight Weight – 560 kg °1232 lb
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
Mistral detail
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