Dimensions
Height: 123 cm (48½”)
Width: 151 cm – 152 cm (59½” – 59¾”)
Depth: 67 cm (26½”)
Net Weight: 255 kg (561 lb)
Encasement
Furniture
Classic studio and school-style cases designed by Steinway & Sons. Furniture Cases designed by William Faber.
Finish
Satin: Sapele Mahogany, Walnut
Hardware
Brass
Technical Specifications
Backframe/Posts
Staggered spruce backposts (5). Total CSA: 500 cm2 (77.5 in2). Thickness of post: 10 cm. Width of post: 10 cm.
Pinblock
Laminated multi-directional maple. Thickness: 35 mm.
Soundboard
Solid spruce. Linear taper. Vibrating area: 1.26 m2 (1,948 in2)
Ribs
Ribs notched into inner rim (no floating ribs). Ribs made of spruce and staggered/graduated. Number of ribs: 11
Bridges
Vertically laminated maple base with solid maple cap.
Scale
Designed by Steinway. 16,695 kg (36,730 lb) tension.
Plate
Cast iron, painted with Steinway Gold.
Tuning Pins
Carbon steel, nickel coating.
Strings
Roslau wire. Number of sizes of treble strings: 14. Lowest tenor note: 27. Number 1 speaking length: 114 cm (44.9″)
Hammers
Specified by Steinway. Weight of topfelt: 7 kg (15 lb).
Action
All wood (no plastic) for all moving parts. Aluminum action rails.
Keys
Steinway design. Spruce.
Keybed
Lauan, Maple, Spruce.
Pedals
Brass. Middle pedal on EUP-123S is Bass Sustain. Middle pedal on all other models 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
Double-rubber casters on EUP-123S. Brass casters on all other EUP-123 models.