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Rim/Backframe
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Outer is laminated Lauan, Beech, and Walnut. Inner is laminated Lauan and Walnut. Wide tail design (similar to Boston). 22 mm outer rim width, 38 mm inner rim width.
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Braces/Posts
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Steinway-like radial bracing. 3 braces.
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Pinblock
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Laminated multi-directional Maple. Thickness: 36 mm.
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Soundboard
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Solid Spruce. Linear taper. Tapered from 8 mm front to 6 mm back. Vibrating area: 1.07 m2 (1,657 in2)
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Ribs
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Ribs notched into inner rim (no floating ribs). Ribs made of spruce and staggered/graduated. Number of ribs: 11
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Bridges
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Vertically laminated maple base with solid maple cap.
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Scale
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Designed by Steinway. 17,661 kg (38,854 lb) tension.
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Plate
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Cast iron, painted with Steinway Gold.
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Tuning Pins
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Carbon steel nickel coating.
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Duplex Scales
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Front and rear duplexes Designed by Steinway.
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Strings
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Roslau wire. Number of sizes of treble strings: 14. Lowest tenor note: 27. Number 1 speaking length: 112 cm (44.0”)
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Hammers
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Designed by Steinway. Weight of topfelt: 7 kg (15 lb).
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Action
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Designed by Steinway. Angled whippen heel. All wood (no plastic) for all moving parts. Like Boston: extruded aluminum action rails rosette shape on it.
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Keys
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Steinway design. Material – Spruce or Basswood.
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Keybed
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Lauan, Maple, Spruce.
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Pedals
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Brass. Full Sostenuto.
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Features
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Slow-fall Fallboard available on most grand models. Fold-down Fallboard Lip available on most grand models.
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