Yamaha C1S Grand Silent Piano

Yamaha Updated: 2009-04-05 RSS
Yamaha C1S Grand Silent Piano

The Piano That Lets You Connect
The Yamaha Silent Piano lets you connect traditional tone, touch and elegance to the world of digital electronics. The quality and craftsmanship inherent in every Yamaha piano are combined with state-of-the-art fiber optic technology. Multi-point optical sensors at each key and pedal register every facet of the player's performance with unparalleled precision, instantly transforming keystrokes into digital data. This opens the doorway to a new world of creative educational opportunities.


Piano Silencing Mechanism: Lever-activated hammer shank stopper
Action: Grand piano action with Quick Escape mechanism
Sensor System: Keys: 88 two-beam, four-point optical fiber sensors (key-release velocity sensing); Hammers: 88 one-beam, two-point optical fiber sensors; Sustain and shift pedals: Continuous position sensors; Sostenuto pedal: On/off sensor
Digital Piano Tone Generator: Type: Digital stereo sampling with sustain pedal resonance effects; Voice Yamaha CFIIIS concert grand piano; Memory: 30 megabyte (wave memory); Polophony: 32-note stereo; Pitch control: 438~445 hertz in 1-hertz steps, fine tuning in 1.2 cent steps
Reverb: Room, Hall (default), Hall2, with continuous depth control
Other Controls: Volume, power switch with pilot lamp
Demonstration Songs: 8
Power Supply: 15V DC, 2000mA supplied from AC adaptor
Connectors: Headphones x 2, MIDI In/Out, AUX In/Out, DC In
Finish: Polished Ebony
Depth (Length): 5'3"
Net Weight: 652 lbs. (210 kg)

MIDI In/Out, Computers
MIDI (Musical Instrument Digital Interface) connects the Silent Piano to other keyboards, external modules (like the Yamaha DSR1 Digital Sequencer Recorder) and computers. With the simple connection to a computer you can record and print your own music, learn to play the piano and even download music from the internet.

Double Sensor System
The sensor system consists of optical sensors located at each key and hammer. This industry unique feature provides the highest degree of precision and sensitivity. Because these sensors are optical, they have no effect on the feel of the keys as they accurately transmit every nuance of your playing to the digital electronics.

Yamaha QuickEscape™ Action and Piano Mute Rail
When you engage the Piano Mute Rail, the hammers will not strike the strings, allowing you to play MIDI sounds or the onboard digital piano sound without hearing the acoustic piano. The exclusive QuickEscape action mechanism provides a consistent touch in either the piano mute mode or acoustic mode. These two features instantly convert the Silent Piano into the perfect MIDI controller or multi-track recording instrument.

Built-In Digital Piano Sound
The on-board digital piano expands your playing potential. The sound of a Yamaha concert grand is digitally recorded and captured on a powerful 30 megabyte computer chip and available at your fingertips.

Key-Release Velocity
The key-release velocity feature can detect and respond to expressive fingering, capturing the speed each key is released. Key-release velocity results in the capturing the characteristic sound and feel of an acoustic piano while playing the digital piano.

Plug in the headphones and enter your own concert hall environment with the tone and ambiance of a concert grand on stage. Add the piano mute rail and you can play in complete privacy.

Add the acoustic environment of a concert hall.

Audio Out
Project the sampled sound of a concert grand through speakers or direct to a tape deck.

Produced by the World's Leading Piano Manufacturer
This grand piano is designed for high sound quality with reliability and attention to detail built in at every stage. Yamaha has the rare combination of advanced optical fiber sensor technology, extensive experience with digital pianos and keyboard, and a long tradition of acoustic excellence in piano design.

Seasoned for Destination
Yamaha specifically seasons this piano for the U.S. market. The tuning stability, finish and overall musical integrity are enhanced over the long life expected of a fine piano.

Permanent Crown Solid Soundboard
Yamaha utilizes a process that creates a permanent crown in the soundboard and at the same time minimizes soundboard cracking. The customer can feel confident that not only will the piano last for years, but the beautiful sound of a Yamaha piano will last a lifetime.

Solid Spruce Soundboard
At the Yamaha lumber mill and wood processing facility, the finest spruce is quarter sawn; and less than 10% of the total is selected and reserved for Yamaha piano soundboards. Solid spruce, rather than laminated spruce or poplar, is the choice in all fine pianos for the best amplification of sound, best tone and sustain.

Full Length Ribs
Yamaha reinforces the crown in its soundboards by using ribs that continue to the edge of the soundboard and are glued into the notched liner (or inner rim on the grand piano). Reinforcing the crown ensures that the tone quality will remain for years and years and improves tuning stability.

V-PRo Plate
Yamaha uses V-PRo (Vacuum Shield Mold Process) in casting the iron frame (plate). V-Pro plates are stronger and visually more appealing. Critical dimensions are accurately produced.

Extruded Aluminum Action Rails
Yamaha engineering developed a unique Extruded Aluminum Alloy Action Rail (bearing a Yamaha patent) that is one of the best innovations for improving a piano action in the last 100 years. The usual fluctuations in wood rails that effect touch, caused by periodic weather changes, are eliminated allowing stable, long-lasting action regulation.

Balanced Action
Each key of a Yamaha piano is individually tested and measured for the corrections needed to obtain uniform "down weight" pressure. Yamaha actions play correctly and uniformly. This balancing helps ensure a lifetime of superior touch and control across the keyboard.

Uniform Key Travel
Yamaha designs all grand and vertical pianos to have the same key travel. Regardless of size, type or model of Yamaha piano, the keyboards will always feel the same.

Spruce Keys
Yamaha uses Spruce for the keys on all models of pianos. Spruce is very light and possesses a very high ratio of strength to weight. It is ideal for key construction, even though its cost is greater than either sugar pine or bass wood. Yamaha keyboards respond quickly providing fast repetition for the most intricate piece of music. Yamaha keyboards withstand heavy use over years of fortissimo passages.

Yamaha Servicebond™ Assurance Program
The Yamaha Servicebond Assurance Program is provided to the customer, without additional charge, 3-8 months after delivery of their piano. This service is a thorough check up and adjustment procedure to "rejuvenate" a piano after play-in and acclimation to its new environment. After 3-8 months or so of settling and becoming acclimatized, the piano will receive the benefit of a service visit to return it to the conditions specified by the manufacturer.

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