$78,567 $55,480
5’2″
53 1/8″
$47,589 $33,714
$39,920 $28,326
51 1/2″
PETROF 135 K1
The exceptional heritage of our ancestors
Meet the tallest upright of the PETROF brand, which boasts the greatest sound potential. Its size makes it ideal for discerning professional pianists and audiences. This is an instrument of masterly construction intended for music schools, home interiors, and for the performance of musical works with orchestra. Its uniqueness is enhanced by the unusual design of the music stand, but lies most of all in its powerful, open and colourful tone.
Technical Specifications
| Depth (mm) | 606 |
| Width (mm) | 1448 |
| Height (mm) | 1350 |
| Weight (kg) | 256 |
| Sound board material | resonance spruce wood |
| Active area of soundboard(m²) | 1,222 |
| Ribs – number, shape | 10, spherical |
| Soundboard construction | wedgewise tapered 9 mm in upper section – 7 mm in lower section |
| Cast iron plate | Wet sand casting |
| Surfacing of iron plate | light gold metallic paint, diamond effect |
| Pin block – material | Multiplex beech plywood, density 800 – 850 kg/m3 |
| Wooden frame construction, material | spruce wood, 3+2 posts |
| Cut off bar (corner cross rib) – material, number | beech, 1 |
| Cabinet material | MDF, plywood, solid wood |
| Bridge – treble | beech wood |
| Bridge – bass | beech wood |
| Bridge pins | steel-round tips |
| Agraffes material – number | brass, 88 |
| Strings – material | steel wire Röslau Germany, copper winding Degen Germany |
| Hitching of plain strings | double |
| Dampers – number | 1 – 70 |
| Pedals | left – Piano pedal, midle – Muffler (moderator) pedal, right – Forte pedal |
| Castors | yes |
| Felts colour | red |
| Hydraulic slow close fallboard mech. | yes |
