DIMENSIONS: Height: 111 cm (43¾”), Width: 148 cm (58″), Depth: 58 cm (22¾”).
Net Weight: 220 kg (484 lb)
Backframe/Posts Staggered spruce back posts (5). Total CSA: 223 cm2 (34.5 in2). Thickness of post: 4.5 cm. Width of post: 10 cm.
Pinblock Laminated multi-directional Maple. Thickness: 30 mm.
Soundboard Solid Spruce. Linear taper. Vibrating area: 1.16 m2 (1,794 in2)
Ribs Ribs notched into inner rim (no floating ribs). Ribs made of spruce and staggered/graduated. Number of ribs: 10
Bridges Vertically laminated maple base with solid maple cap.
Scale Designed by Steinway. 17,505 kg (38,512 lb) tension.
Plate Cast iron, painted with Steinway Gold.
Tuning Pins Carbon steel nickel coating.
Strings Roslau wire. Number of sizes of treble strings: 12. Lowest tenor note: 32. Number 1 speaking length: 112.0 cm (44.1″)
Hammers Specified by Steinway. Weight of topfelt: 6 kg (13 lb).
Action All wood (no plastic) for all moving parts. Aluminum action rails.
Keys Steinway design. Spruce.
Pedals Brass. Middle pedal is for muffler.
Features All Wood Back construction (no MDF except in cabinet parts). Solid filler blocks in backframe (near top). Backposts are large and staggered. Bench: Matching cushioned bench.
Casters Brass casters.