Casio GP-310 BK Celviano
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Casio
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CELVIANO GP-310: The "Grand Piano" Spirit in the Grand Hybrid Range
The Casio CELVIANO GP-310 follows a "Grand Hybrid" approach: offering a digital piano designed as a true pianist's instrument, with special attention to touch, resonances, and sound projection. Its interface highlights direct access to signature piano tones (Berlin, Hamburg, Vienna), and its mechanical and acoustic settings allow you to fine-tune the instrument's response according to your technique, repertoire, and playing environment.
Keyboard Design
The GP-310 features an 88-key Natural Grand Hammer action keyboard: the wooden keys and simulated hammers replicate the feel of a grand piano, with a grand piano-style pivot point for better finger stability. The Tri-Sensor Original detection (3 sensors) enhances precision and repetition speed, ideal for trills and fast passages. The touch is customizable with 5 levels of sensitivity adjustment and 10 levels of hammer response (or deactivation). Realism is further enhanced by key release simulation and surface materials close to acoustic pianos: acrylic coating on white keys and phenol on black keys. Finally, the keyboard support is made of high-quality Austrian spruce, dried and treated for optimal durability.
Sound Quality
The sound generation is based on the AiR Grand source, a modeling designed to deliver a lively and nuanced response from pianissimo to fortissimo. The GP-310 offers 26 tones and 256-note polyphony to preserve harmonic richness even with pedal use and layering. Acoustic settings allow fine personalization of the sound: string resonance (10 levels or off), sustain pedal resonance (10 levels or off), key action noise (10 levels or off), and lid opening simulator (10 levels) to evolve the tonal color like on a grand piano. To play silently without losing the spatial illusion, an optimized headphone mode adjusts acoustics for a more natural sound.
Built-in Effects
- Room Simulator: 12 types x 4 positions
- Chorus: 4 types
- Brilliance: -3, 0, +3
- DSP (Digital Signal Processing): preconfigured treatments according to tones
- Sustain Pedal Simulation with Half-Pedal: 5 position levels
- Volume Sync EQ: 3 levels
Technical specifications
| Effects | Reverb, EQ, Volume, Chorus | Touch | Heavy |
| Arpeggiator | No | Split & layer | Partner mode, layer, split |
| Bluetooth | No | Max polyphony | 256 |
| Speaker diameter | 1", 8", 6", 3" | USB to Host port | Yes |
| Number of speakers | 6 | Inputs | Audio, USB audio, USB Midi |
| Velocity sensitive | Yes | Outputs | Mono & stereo audio, 3.5 mm headphone, 6.5 mm headphone |
| MIDI DIN I/O | No | Color | Black |
| Number of keys | 88 | Finishing | Matt |
Questions frequently asked
Does the Casio GP-310 BK feature a wooden keyboard?
The Natural Grand Hammer keyboard includes 88 wooden keys, with hammers simulating the action of a grand piano. The white keys have an acrylic coating and the black keys a phenol coating.
What is the polyphony of the GP-310?
The polyphony reaches 256 notes, allowing notes played with the sustain pedal and sound layering to be preserved.
Is it possible to play with headphones on this digital piano?
Two headphone outputs are available. An optimized headphone mode adjusts the acoustics to provide a more natural sound when using headphones.
What connections are available on this Casio piano?
The connectivity includes a USB to Host port, an audio input, two jack outputs, and a USB type A port. No MIDI DIN input or output is specified, and Bluetooth is not integrated.
Does the Duo mode allow practice with a teacher?
Duo mode splits the keyboard for four-hand playing. The 60 built-in songs have a lesson function to practice the right hand, left hand, or both hands. Ten custom songs of up to 90 KB each can also be added.



