| Stuart& Sons 2002, No 19 Red Cedar veneer -Toona australis |
Steinway& Sons D2005, No 574500 Black Ebony veneer |
|
| Keyboard Compass-Frequency range |
97 keys F0 21.82Hz- F8 5587.651Hz. |
88 keys A0 27.5 Hz – C8 4186.01 |
| Length | 2.9m | 2.74m |
| Frame | High quality Australian SG iron | Steinway has their own foundry to supply iron frames. |
| Rim | Multi laminations of Hoop Pine and Hard Maple. Thickness: 110mm | Hard Rock Maple- 17 laminations. Maple and Mahogany for German production. Thickness: 82.6mm |
| Pin Block | Selected sawn hard maple hexagonal laminated pin block. | Steinway hard maple Hexigrip tuning pin block |
| Back Posts | 3 solid spruce/hoop pine in parallel and angular configuration | 5 solid spruce in fan configuration |
| Compass, Frame, Structure Dimensions Table 1.1 | ||
Bridge; Soundboard:
| Stuart No. 19, (2002) | Steinway No. 574500,(2005) | |
| Bridge | Laminated maple with hard wood cap. Separated bass and treble bridges. Long bridge depth: 24 mm + 8mm agraffe Short (bass) bridge depth: 52mm + 8mm agraffe |
Vertically-laminated continuous ring bridge hard maple with hard wood cap. Long bridge depth: 34 mm Short (bass) bridge depth: 60mm |
| Bass bridge to rim | 16 cm | 25.5 cm |
| Soundboard | King William Pine5mm in the centre, with minimal tapering out to the edges. Compression crowned. |
Close-grained, quarter-sawn Sitka spruce. 9 mm thick in the center and tapered to 6 mm as specified as the diaphragmatic design since 1936. Compression crowned |
| approximate Soundboard sizes | 160cm wide keyboard end 288 cm length |
150 cm wide kybd end 269 cm length |
| Soundboard Ribs | 19 ribs 22mmx 22mm |
17 ribs 25mmx 25mm |
| Bridge, Soundboard Dimensions Table 1.2 | ||
