The Yamaha B1 SC3 upright piano combines a classic acoustic piano action with advanced digital silent piano features. With full‑size 88 keys, a hammer mechanism from the b Series Special and the SILENT Piano™ SC3 system, it allows silent headphone practice and full acoustic play in one instrument.

General specifications include: width 149 cm, height 109 cm, depth 54 cm, and weight approximately 197 kg. The keyboard surfaces are made of acrylic resin for the white keys and phenolic resin for the black keys. The hammer type is b Series Special. The pedals consist of damper, silencing (for silent mode) and soft. Key sensors are non‑contact continuous‑detection electromagnetic inductive type, and the damper pedal uses a continuous detection sensor.

The silent module supports premium piano voices, including the Yamaha CFX and Bösendorfer Imperial grand pianos, binaural sampling (in headphone mode), VRM (Virtual Resonance Modeling), smooth release, key‑off samples and up to 256‑note polyphony. Connectivity includes USB, headphone outputs and AUX In, enabling use of apps and external devices.

• Keys: 88 full size
• Keyboard surfaces: White – acrylic resin; Black – phenolic resin
• Hammer type: b Series Special
• Size (W×H×D): 149 cm × 109 cm × 54 cm
• Weight: approx. 197 kg
• Pedals: Damper / Silencing / Soft
• Key sensors: Non‑contact continuous inductive sensors
• Silent voices: Yamaha CFX & Bösendorfer Imperial (binaural)", “Other voices: 10+ additional voices
• Polyphony: up to 256 notes
• Connectivity: USB, AUX In, headphone jacks