P284 Mistral Grand

P284 Mistral Grand


We present to you our masterpiece, the flagship of the PETROF brand - the Mistral concert grand. Measuring 2,840 mm in length it is our largest piano, and is beloved of musicians the world over chiefly for its tremendous bass and resonant treble. Artists find in it a trusty companion when performing the most demanding works; it also has a highly presentable appearance and possesses the soft, romantic tone so characteristic of all PETROF grand pianos.

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Technical Specifications

Length (mm) 2840

Width (mm) 1580

Height (mm) 1025

Weight (kg) 576

Soundboard material Resonant spruce wood

Active area (m²) 2,029

Ribs (number, shape) 16, asymmetric

Soundboard construction diaphragmatic tapered by CNC shaper   9,5 - 7,5mm

Cast iron plate Wet sand casting

Surfacing of iron plate light gold metallic paint, diamond effect

Pin block - material Multiplex beech, density 800 - 850 kg/m3

Inner rim material 12 laminates - beech, birch 

Inner rim thickness 50 mm

Wooden frame posts 5 longitudinal + 2 cross

Back post material spruce

Cut off bar (corner cross rib) round shaped, multiple birch or beech

Outer rim - material birch, inner veneer Ebony Macassar

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 Röslau steel wire from Germany; Degen copper winding from Germany

Hitching of plain strings single

Dampers - number 1 - 69

Action standard -  Renner original

Hammer heads Renner original

Keyboard Tangential sawn spruce wood, individually balanced with lead

Black keys Ebony wood

Pedals left - Soft pedal, middle -  Sostenuto pedal, right - Sustain pedal

Legs and castors thick legs, large braking castors 

PETROF logo on right side wall PETROF

Felt colour red + black

Hydraulic slow close fallboard mechanism yes