b Series
| b1 | b2 | b3 | ||
|---|---|---|---|---|
| Dimensions | Width | 148cm(58.3") | 150cm(59") | 152cm(60") |
| Height | 109cm(43") | 113cm(44.5") | 121cm(48") | |
| Depth | 54cm(21.3") | 54cm(21") | 62cm(24") | |
| Weight | Weight | 174kg(384lbs) | 194kg(428lbs) | 237kg(522.5lbs) |
| Keyboard | Number of Keys | 88 | 88 | 88 |
| Key Surfaces - White | Acrylic Resin | Acrylic Resin | Acrylic Resin | |
| Key Surfaces - Black | Phenolic Resin with Wooden Filler | Phenolic Resin with Wooden Filler | Phenolic Resin with Wooden Filler | |
| Pedal | Type | Damper,Muffler, Soft | Damper,Muffler, Soft | Damper,Muffler, Soft |
| Hammer | Type | b Series Special | b Series Special | b Series Special |
| Caster | Type | No | Single caster | Single caster |
| Key Cover | Lid/Fallboard Locks | No | No | No |
| Soft-Close Fallboard | No | No | No | |
| Frame | Type | V-pro | V-pro | V-pro |
| Back Post | Number | 4 | 4 | 5 |
