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Yamaha YDP-S55 Digital Piano

The Yamaha YDP-S55 is a slimline digital piano designed to offer the performance of a concert grand within a compact, modern chassis. It features the Graded Hammer 3 (GH3) keyboard action and high-fidelity samples from the Yamaha CFX concert grand piano, supported by Virtual Resonance Modelling (VRM) Lite technology.

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Overview

The Yamaha YDP-S55 is a premium entry in the Arius series, distinguished by its 'slim' cabinet design. Unlike traditional upright-style digital pianos, the S55 utilizes a shallower depth and a fold-down lid that creates a flat surface when closed, making it suitable for modern living spaces where floor space is at a premium. Despite its compact footprint, it integrates Yamaha's high-end acoustic technologies to bridge the gap between digital convenience and acoustic performance.

Keyboard Action and Tactile Feel

Central to the YDP-S55's playability is the Graded Hammer 3 (GH3) keyboard. This mechanism replicates the weighted feel of an acoustic piano, where the lower keys are heavier and the upper keys are lighter. The inclusion of a three-sensor configuration allows for rapid note repetition and precise expressive control. The keys are finished with synthetic ebony and ivory, which provide a tactile, moisture-absorbent surface that prevents fingers from slipping during extended practice sessions.

Sound Generation and Technology

The primary voice of the YDP-S55 is sampled from Yamaha’s flagship CFX concert grand piano. To enhance the realism of this sample, Yamaha employs Virtual Resonance Modelling (VRM) Lite. This technology simulates the complex sympathetic resonances that occur when the strings and soundboard of an acoustic piano vibrate in relation to one another. The instrument includes a total of 10 voices, allowing players to switch between the concert grand, electric pianos, organs, vibraphone, and string ensembles.

Target Audience and Application

The YDP-S55 is positioned for intermediate students and hobbyists who require a high-quality action and sound without the bulk of a full-sized cabinet. Its white finish and minimalist aesthetics cater to contemporary interior design. It serves as a functional practice tool for those moving beyond entry-level keyboards, offering the resistance and tonal depth necessary to develop proper piano technique.

Comparative Market Analysis

Within the digital piano market, the YDP-S55 competes with other slimline and console models. Alternatives include the Roland DP603 and RP701, which offer different proprietary modeling technologies. Those seeking higher-tier wooden key actions might look toward the Kawai CA501 or CA901, while the Kawai CN301 and Casio AP-300 offer competitive features in similar price brackets. The YDP-S55 remains a popular choice for those specifically seeking the distinct tonal character of the Yamaha CFX grand.

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Frequently asked questions

What is the primary piano sound on the YDP-S55?
The YDP-S55 features high-resolution samples of the Yamaha CFX concert grand piano, known for its powerful projection and sparkling highs.
What keyboard action does this model use?
It uses the Graded Hammer 3 (GH3) action, which features a three-sensor system and graded weighting to mimic the feel of an acoustic grand piano.
How does Virtual Resonance Modelling (VRM) work?
VRM Lite is a technology that calculates the various states of the strings for each of the 88 notes, simulating the sympathetic resonance of an acoustic piano.
What is the keytop material on the YDP-S55?
The keys are adorned with synthetic ebony and ivory, providing a textured surface that improves grip and feels similar to traditional piano keys.
How many voices are included in the instrument?
There are a total of 10 voices, including the CFX grand piano, electric pianos, organs, strings, and a vibraphone.
Is the cabinet design suitable for small rooms?
Yes, the YDP-S55 features a 'slim' design with a shallow depth, making it ideal for hallways, apartments, or smaller living spaces.
What is the typical price for the Yamaha YDP-S55?
The typical price in the UK market for this specific model is approximately £1,079.
Does the piano come with a lid?
Yes, it features a folding key cover that protects the keys when not in use and provides a sleek, flat top surface.
What are some comparable models from other brands?
Notable alternatives include the Roland DP603, Kawai CN301, and the Casio AP-300, which offer similar digital piano features.
Can the YDP-S55 produce sounds other than a grand piano?
Yes, in addition to the CFX grand, it includes voices for electric piano, organ, strings, and vibraphone for varied musical styles.
Does the YDP-S55 feature weighted keys?
Yes, it utilizes a fully weighted Graded Hammer action where the keys have more resistance in the bass and become lighter toward the treble.
What colour options are available for this specific entry?
This specific encyclopedia entry covers the White finish, which is designed for a sleek and luxurious aesthetic.