Specifications
| Specifications | GP-152 |
| Keys | Synthetic Ebony & Ivory Keys |
| Soundboard | Spruce |
| Hammers | Premium wool-stapled hammers with dense underfelt |
| Strings | Roslau music wire from Germany, Agraffes for precise alignment |
| Fallboard | Slow-Close |
| Hardware | Nickel-colored |
| Height | 102.5 cm (40.35 in) |
| Width | 151 cm (59.44 in) |
| Depth | 152 cm (59.84 in) |
| Weight | 305 kg (672.41 lbs) |
| Finish | Polished Ebony Polyester |
| Bench | Height Adjustable Padded Bench |
