El piano vertical PETROF Butterfly le cautivará con su divertido diseño. Las coloridas mariposas armonizan perfectamente con los tonos románticos que fluyen del piano. Las mariposas también son un símbolo de amor, libertad, romance y belleza. A través de este instrumento podrás multiplicar estos valores incluso dentro de tu hogar.
| Depth (mm) | 550 |
| Width (mm) | 1445 |
| Height (mm) | 1180 |
| Weight (kg) | 212 |
| Sound board material | Resonance spruce wood |
| Active area of soundboard (m²) | 1,0605 |
| Ribs (number, shape) | 9, 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 | nitrocellulose paint with bronze dust added |
| Pin block - material | Multiplex beech plywood, density 800 - 850 kg/m3 |
| Wooden frame construction, material | beech, frame construction |
| 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 |
| Black keys | Acrylate plastic |
| Pedals | left - Piano pedal, midle - Muffler (moderator) pedal, right - Forte pedal |
| Castors | yes |
| Felts colour | red |
| Hydraulic slow close fallboard mech. | yes |
