DIMENSIONS
Height: 118 cm (46½”)
Width: 151 cm (59¼”)
Depth: 58 cm (22¾”)
Net Weight: 218 kg (480 lb)
BRACES
Full-length laminated spruce posts assure that the backframe will remain straight and consistent and tuning will remain stable. Spruce fill-blocks between posts at the top and bottom of the backframe, capped with a maple backboard for positive vertical alignment. Solid filler blocks (no hollow spots). 5 posts. Total cross-sectional area: 240 cm2 (37.2 in2). Thickness of post: 6 cm (2⅜”). Width of post: 8 cm (3⅛”)
SCALE
Overstrung: Lower tension scale for longer sustaining tone and longer life of the whole piano. 17,425 kg (38,415 lb) tension.
RIBS
Mahogany foot-piece soundboard lining and backboard. Specially-designed grand-type mahogany closing rim; unequalled vertical strength and stability and improved acoustics. Backposts have staggered spacing to enhance tone and provide support where needed.
BRIDGE
Treble: Solid maple, curved to fit the crown of the soundboard. Bass: Solid maple mounted to cantilevered base. Doweled, glued, and screwed to soundboard. One continuous base and treble bridge.
STRINGS
Treble: Highest grade steel (in half size increments). Number of sizes: 14. Lowest tenor note: 28. Bass: Steel core wire wound with solid copper. Number 1 speaking length: 115.0 cm (45.3″)
HAMMERS
Premium wool topfelt over premium wool underfelt. Weight of topfelt: 9.4 kg (20.8 lb). Compression-wired to retain permanent shape. Mahogany mouldings. Hammer-shanks from select resilient maple or horn-beam. Computer-designed pear-shaped hammers with reinforced shoulders result in a superior tone, increased durability and greater voicing ability.
ACTION
Solid maple (all wood, no plastic) for all moving parts. Extruded aluminium action rails for increased stability and less frequent regulation. Dependable direct-blow design.
KEYS
Genuine spruce, individually balanced and weighted. Phenolic sharps and acrylate white key covers. Length of key: 34.8 cm (13.7″).
Keybed Made from laminated hardwood. Strong, rugged construction provides a solid mount for the keyframe and action allowing for precise and prolonged action regulation. Keybed thickness is 42 mm.
PLATE
Cast from grey iron, bronze-painted and lacquered. Vacuum cast.
Tuning Pins Nickel-plated steel, cut threaded.
PEDALS
Soft (half-blow), bass sustain, and sustain (damper) pedals.
KEYBED
Spruce with hardwood inserts in the balance rail and front rail for added stability.
OTHER
Music desk: Professional solid music desk. Casters: Double rubber casters. Locks: Fallboard and top locks. Prop Sticks: Top prop sticks. Bench: Matching wood-top bench.