52″ Professional Upright – With Sostenuto
- Height: 132cm (51 3/8″)
- Width: 153cm (60 1/2″)
- Length: 65cm (25 1/2″)
- Weight: 258kg (570 lbs.)
- Soundboard: Tapered and contoured solid spruce soundboard.
- Back Posts: 5 spruce posts.
- Bridges: Hand notched, pre-crowned, maple-capped bridges.
- Ribs: Full length, pre-crowned solid spruce ribs, notched into the liner.
- Plate: Pure iron ore made in the traditional method of slow sand casting.
- Action: Premium action made of winter cut North American rock maple.
- Keys: Premium spruce keys individually balanced and weighted.
- Hammers: Double coated, t-wired premium hammers individually voiced.
- String: Roslau music wire made in Germany.
- Pin Block: 15-ply, cross grained laminated hard rock maple pinblock.
- Others: Slow close fallboard. Extra long music score shelf. Cast brass pedals. Maple trap assembly. Sostenuto.