P159 Bora Grand

P159 Bora Grand


Its size is the only thing that makes the Bora a small instrument. As soon as the hammers hit the strings, you will discover its wonderful, rich and surprisingly powerful sound. Once again we have put the very best materials, technology and design features of concert instruments into its construction. Its potential greatly transcends its actual size. Professional players favour it for practice purposes and domestic use.

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Technical Specifications

Length (mm) 1590

Width (mm) 1525

Height (mm) 1025

Weight (kg) 309

Soundboard material Resonant spruce wood

Active area (m²) 1,019

Ribs (number, shape) 10, spherical

Soundboard construction wedgewise tapered   9 - 7 mm

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 9 laminates - beech, birch

Inner rim thickness 35 mm

Wooden frame posts 3 longitudinal

Back post material spruce

Cut off bar (corner cross rib) no

Outer rim - material solid alder wood core, plywood coated, inner veneer Ebony Macassar

Bridge - treble solid maple wood

Bridge - bass solid maple wood

Bridge pins steel - ground tips

Agraffes material - number brass, 1-59

Duplexes - front gis2 - c5

Duplexes - rear d2 - c5

Strings - material Röslau steel wire from Germany, Degen copper winding from Germany

Hitching of plain strings double

Dampers - number 1 - 68

Action standard Renner - PETROF

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 standard legs, small unbraking castors

PETROF logo on right side wall no

Felt colour red + black

Hydraulic slow close fallboard mechanism yes