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Yamaha Clavinova CLP 645 Digital Piano in White Finish

£2,231 £2,008

Powerful sound and a superb wooden keyboard of the Yamaha Clavinova CLP 645 offer unprecedented levels of versatility to pianists of all abilities.

  • CFX and Bösendorfer Imperial piano samples
  • CFX Binaural sampling
  • Improved VRM (Virtual Resonance Modeling)
  • Smooth Release
  • Key-Off samples
  • String Resonance
  • Damper Resonance
  • 256-note polyphony
  • 36 Voices
  • NWX (Natural Wood X) keyboard with synthetic ebony and ivory keytops (wood is used for the white keys)
  • Escapement
  • 128 x 64 full dot LCD
  • Dual/Split/Duo
  • Digital effects (Reverb/Chorus/Brilliance/Effect)
  • 19 Voice Demo Songs + 50 Piano Songs* + 303 Lesson Songs (*The Clavinova comes with a book of music scores)
  • 20 rhythms
  • 16-track recording
  • USB Audio Recorder (Playback/Recording: WAV)
  • USB TO HOST and USB TO DEVICE
  • Dual headphone jacks
  • (25 W + 25 W) x 2 amplifiers
  • (16 cm + 8 cm) x 2 speaker system
  • Acoustic Optimizer
  • Intelligent Acoustic Control (IAC)
  • Stereophonic Optimizer
  • Music braces
  • Built-in Bluetooth for wireless connection to iPhone, iPad, iPod Touch or Andoroid

Innovation for effortless performance

Clavinova is an innovative lineup of digital pianos that have continued to evolve while seeking to provide the touch and tone of a concert grand piano—the ultimate symbol of piano excellence. This authentic grand piano experience is the product of the knowledge and expertise that Yamaha has accumulated over more than 125 years of crafting acoustic pianos. Utilizing state-of-the-art technology to achieve grand piano quality,

Yamaha Clavinova CLP 645 digital pianos offer an inviting playing experience that is perfect for players of all levels. They emulate the touch and tone of a grand piano to make the transition from digital to acoustic piano a seamless and enjoyable one.

Featuring Yamaha Smooth Release technology, Clavinova clp 645 offers the crisp tone heard when playing staccato as well as the lingering sound produced by releasing the keys more. This provides finely-nuanced response to the pianist’s playing.

Sound in an acoustic piano attenuates over a long time. Pianists can change the volume of the sound—as well as its dynamics—to achieve both mellow and bright tones by simply changing the pressure they apply to the keys.

The Yamaha Clavinova clp 645 features long, carefully-sampled recordings of notes on a piano, reproduces them in rich detail and utilizes unique Yamaha technologies to achieve smooth tonal transitions in response to the touch of the player.

Additionally, the Yamaha Clavinova clp 645 has been repeatedly tested and adjusted by numerous pianists in order to attain a performance feel similar to that of a grand piano.

The moment a pianist’s fingers are lifted from the keys of a grand piano, subtle changes occur in the instrument’s tone as the damper is lowered onto the strings to mute its sound. Key-Off samples features actual recordings of these changes, offering a faithful reproduction of the most subtle changes in the piano’s sound, allowing for a more realistic performance.

The touch of the Clavinova keyboard has been praised by pianists for a performance feel that makes you forget you’re playing a digital piano, offering authentic response to the force of your touch and a natural key return. Utilizing the same hammering system and spring-less mechanism as a grand piano, GH3X actions accurately reproduce the touch of an acoustic piano from the heavy feel in the lower register to the lighter touch in the upper octaves.

The escapement mechanism in a grand piano moves the hammers away from the strings quickly after they strike them, in order to prevent any interference with string vibration. This mechanism produces a slight clicking sensation when the keys are pressed gently. Since Real Grand Expression offers players superb sound, touch and pedaling, we decided to create an escapement that delivers outstanding playability, repetition, and response without impeding performance. The Clavinova keyboards feature an escapement mechanism that reproduces this sensation near the bottom of the key dip. They have been designed in such a way that the click is discernible only on the lightest keystrokes, similar to the keyboard of a grand piano. These keyboards have been adjusted to provide additional friction that balances key repetition and response without impeding performance.

Our fingers are more sensitive than we think, and for pianists, the texture of the piano keys is extremely important. The GH3X keyboard features white keys made from the highest quality synthetic ivory, developed independently by Yamaha. The black keys are finished in synthetic ebony. Synthetic ivory keytops reproduce the tactile surface of the real ivory keyboards once used in older acoustic pianos. It features highly absorbent material that prevents fingers from slipping even after hours of practice, while retaining the ideal texture and feel. Resulting from well over a century of experience in making acoustic pianos, this exclusive Yamaha technology achieves a finish that feels natural and comfortable. In addition to the feel, the appearance and fine texture of these keys is unmatched by any other digital piano, and is sure to inspire pianists from the moment they experience it.

Keyboards fulfill the vital role of transforming emotion from your fingertips into sound and therefore, must be smooth to play in order to maintain superb touch for prolonged performances. That is why Yamaha has fitted Keyboard Stabilizers to all 88 keys, offering players a natural touch and improving the stability and durability of the keyboard.

Similar to an acoustic piano, the Clavinova is calibrated carefully, with speaker positioning and body materials checked to ensure that the entire instrument resonates optimally. For a sound image that is very close to the grand piano, these instruments feature Tone Escapement in several locations throughout the body that allow the sound from the speakers to be projected to the listener’s ears without being trapped inside the instrument. The higher-end models in the CLP-600 Series feature dedicated DSPs, amplifiers and speakers. This vastly improves sound production, ensuring that the volume and quality of sound heard by the performer is flawless, with the output from each speaker arriving at the performer’s ears in perfect synchrony.

The speakers attached to the body exhibit a phenomenon in which, if nothing is done, the volume of the sound will increase due to the resonant frequency of the body. Conversely, installing pipes with the same resonant frequency within the body suppresses this resonance. Acoustic optimizers utilize this phenomenon.

This improvement of the sound is something that has only been possible thanks to Yamaha‘s thorough knowledge of the internal acoustic characteristics of musical instruments.

Yamaha’s advanced binaural sampling technology is now available on the Clavinova for the first time. The technology uses samples from the CFX, Yamaha’s acclaimed concert grand piano, recorded with specialized microphones that capture locational information and other nuances discerned by the human ear. The resulting sound is so natural, so enveloping, that you’ll soon forget you’re even wearing headphones at all.

Once you choose the Yamaha CFX Grand Voice and put headphones on, the binaural sampled sound is automatically ready and no additional settings are required. Now with or without headphones, you can fully enjoy the concert grand experience at home.

When using headphones, the Stereophonic Optimizer lets players enjoy the dispersed sound heard when sitting in front of an acoustic piano. With the Stereophonic Optimizer, Voices sampled from acoustic pianos* appear to come from the body of the instrument. This provides a comfortable, natural experience that removes the drawbacks of performing with headphones.

* The CFX Voice utilizes binaural sampling technology

The recording function featured in Clavinova digital pianos allows you to record your performances* with a single touch, which is useful when you want to review your playing objectively. Additionally, you can record up to 2 tracks for simultaneous playback, so different hands can be recorded separately or overdub parts with different Voices.

* Recordings are made in MIDI format, and can also be recorded to USB flash memory. Compatible software is required for playback of recorded data on a computer

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CLP-685

CLP-675 CLP-645 CLP-635 CLP-625 CLP-665GP
Size/Weight
Dimensions Width 1,461 mm (57-1/2″) (Polished finish: 1,467 mm (57-3/4″)) 1,461 mm (57-1/2″) (Polished finish: 1,466 mm (57-11/16″)) 1,461 mm (57-1/2″) (Polished finish: 1,466 mm (57-11/16″)) 1,461 mm (57-1/2″) (Polished finish: 1,466 mm (57-11/16″)) 1,350 mm (53-1/8″) (Polished finish: 1,353 mm (53-1/4″)) 1,430 mm (56-5/16″)
Height 1,027 mm (40-7/16″) (Polished finish: 1,029 mm (40-1/2″)) 967 mm (38-1/16″) (Polished finish: 970 mm (38-3/16″)) 927 mm (36-1/2″) (Polished finish: 930 mm (36-5/8″)) 927 mm (36-1/2″) (Polished finish: 930 mm (36-5/8″)) 831 mm (32-11/26″) (Polished finish: 832 mm (32-3/4″)) 932 mm (36-11/16″)
Depth 477 mm (18-3/4″) (Polished finish: 477 mm (18-3/4″)) 465 mm (18-5/16″) (Polished finish: 465 mm (18-5/16″)) 459 mm (18-1/16″) (Polished finish: 459 mm (18-1/16″)) 459 mm (18-1/16″) (Polished finish: 459 mm (18-1/16″)) 414 mm (16-5/16″) (Polished finish: 415 mm (16-5/16″)) 1,147 mm (45-3/16″)
Weight Weight 83.0 kg (183 lb, 0 oz) (Polished finish: 89.0 kg (196 lb, 3 oz)] 69.0 kg (152 lb, 2 oz) (Polished finish: 71.0 kg (156 lb, 8 oz)] 60.0 kg (132 lb, 4 oz) (Polished finish: 66.0 kg (145 lb, 8 oz)] 56.0 kg (123 lb, 7 oz) (Polished finish: 62.0 kg (136 lb, 11 oz)] 43.0 kg (94 lb, 13 oz) (Polished finish: 45.0 kg (99 lb, 3 oz)] 103 kg (227 lb, 1 oz)
Control Interface
Keyboard Number of Keys 88 88 88 88 88 88
Type GrandTouch Keyboard: wooden keys (white only), synthetic ebony and ivory key tops, escapement GrandTouch Keyboard: wooden keys (white only), synthetic ebony and ivory key tops, escapement NWX (Natural Wood X) keyboard: wooden keys (white only), synthetic ebony and ivory keytops, escapement GH3X (Graded Hammer 3X) keyboard: synthetic ebony and ivory keytops, escapement GH3X (Graded Hammer 3X) keyboard: synthetic ebony and ivory keytops, escapement GH3X (Graded Hammer 3X) keyboard: synthetic ebony and ivory keytops, escapement
Touch Sensitivity Hard2/Hard1/Medium/Soft1/Soft2/Fixed Hard2/Hard1/Medium/Soft1/Soft2/Fixed Hard2/Hard1/Medium/Soft1/Soft2/Fixed Hard2/Hard1/Medium/Soft1/Soft2/Fixed Hard/Medium/Soft/Fixed Hard2/Hard1/Medium/Soft1/Soft2/Fixed
88-key Linear Graded Hammers Yes Yes
Counterweight Yes
Pedal Number of Pedals 3 3 3 3 3 3
Half Pedal Yes Yes Yes Yes Yes Yes
Functions Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause Damper, Sostenuto, Soft Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause
GP Response Damper Pedal Yes Yes
Display Type Full Dots LCD Full Dots LCD Full Dots LCD Full Dots LCD Full Dots LCD
Size 128 x 64 dots 128 x 64 dots 128 x 64 dots 128 x 64 dots 128 x 64 dots
Language English, Japanese English, Japanese English, Japanese English, Japanese English, Japanese
Panel Language English English English English English English
Cabinet
Key Cover Key Cover Style Folding Sliding Sliding Sliding Sliding Sliding
Music Rest Yes Yes Yes Yes Yes Yes
Music Braces Yes Yes Yes Yes Yes Yes
Voices
Tone Generation Piano Sound Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling
Binaural Sampling Yes (CFX Grand Voice only) Yes (CFX Grand Voice only) Yes (CFX Grand Voice only) Yes (CFX Grand Voice only) Yes Yes (CFX Grand Voice only)
Key-off Samples Yes Yes Yes Yes Yes Yes
Smooth Release Yes Yes Yes Yes Yes
VRM Yes Yes Yes Yes Yes
String Resonance Yes
Damper Resonance Yes
Polyphony Number of Polyphony (Max.) 256 256 256 256 256 256
Preset Number of Voices 49 Voices + 14 Drum/SFX Kits + 480 XG Voices 36 36 36 10 36
Compatibility XG (GM), GS (for Song playback), GM2 (for Song playback)
Effects
Types Reverb 6 6 6 6 4 6
Chorus 3 3 3 3 3
Brilliance 7 7 7 7 7
Master Effect 11 11 11 11 11
Intelligent Acoustic Control (IAC) Yes Yes Yes Yes Yes Yes
Stereophonic Optimizer Yes Yes Yes Yes Yes Yes
Functions Dual/Layers Yes Yes Yes Yes Yes Yes
Split Yes Yes Yes Yes Yes
Duo Yes Yes Yes Yes Yes Yes
Songs
Preset Number of Preset Songs 21 Voice Demo Songs + 50 Classics + 303 Lesson Songs 19 Voice Demo Songs + 50 Classics + 303 Lesson Songs 19 Voice Demo Songs + 50 Classics + 303 Lesson Songs 19 Voice Demo Songs + 50 Classics + 303 Lesson Songs 50 Piano Preset Songs, 10 Voice Demo Songs 19 Voice Demo Songs + 50 Classics + 303 Lesson Songs
Recording Number of Songs 250 250 250 250 1 250
Number of Tracks 16 16 16 16 2 16
Data Capacity Approx. 500KB/Song Approx. 500KB/Song Approx. 500KB/Song Approx. 500KB/Song 100 KB/Song (Approx. 11,000 notes) Approx. 500KB/Song
Compatible Data Format Playback SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1)
Recording SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0)
Functions
Piano Room Yes Yes Yes Yes Yes
USB Audio Recorder Playback .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo)
Recording .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo) .wav (44.1 kHz sample rate, 16-bit resolution, stereo)
Overall Controls Metronome Yes Yes Yes Yes Yes Yes
Tempo Range 5 ‒ 500 5 ‒ 500 5 ‒ 500 5 ‒ 500 5 ‒ 280 5 ‒ 500
Transpose -12 ‒ 0 ‒ +12 -12 ‒ 0 ‒ +12 -12 ‒ 0 ‒ +12 -12 ‒ 0 ‒ +12 -6 ‒ 0 ‒ +6 -12 ‒ 0 ‒ +12
Tuning 414.8 ‒ 440.0 – 466.8 Hz (approx. 0.2 Hz increments) 414.8 ‒ 440.0 – 466.8 Hz (approx. 0.2 Hz increments) 414.8 ‒ 440.0 – 466.8 Hz (approx. 0.2 Hz increments) 414.8 ‒ 440.0 – 466.8 Hz (approx. 0.2 Hz increments) 414.8 ‒ 440.0 – 466.8 Hz 414.8 ‒ 440.0 – 466.8 Hz (approx. 0.2 Hz increments)
Scale Type 7 types 7 types 7 types 7 types 7 types
Other Control Tuning, Scale Type, etc. Tuning, Scale Type, etc. Tuning, Scale Type, etc. Tuning, Scale Type, etc. Tuning, Scale Type, etc.
Rhythm 20 20 20 20 20
Bluetooth Yes (Audio) Yes (Audio) Yes (Audio) Yes (Audio)
Storage and Connectivity
Storage Internal Memory Total maximum size approx. 1.5 MB Total maximum size approx. 1.5 MB Total maximum size approx. 1.5 MB Total maximum size approx. 1.5 MB Total maximum size approx. 900 KB (User song: One song approx. 100 KB, Loading song data from a computer: Up to 10 Songs) Total maximum size approx. 1.5 MB
External Drives USB flash drive USB flash drive USB flash drive USB flash drive USB flash drive
Connectivity Headphones Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2)
MIDI [IN] [OUT] [THRU] [IN] [OUT] [THRU] [IN] [OUT] [THRU] [IN] [OUT] [THRU] [IN] [OUT] [THRU]
AUX IN Stereo Mini Stereo Mini Stereo Mini Stereo Mini Stereo Mini
AUX OUT [L/L+R] [R] [L/L+R] [R] [L/L+R] [R] [L/L+R] [R] [L/L+R] [R]
AUX Pedal Yes
USB TO DEVICE Yes Yes Yes Yes Yes
USB TO HOST Yes Yes Yes Yes Yes Yes
DC IN 16V
Amplifiers and Speakers
Amplifiers (50 W + 50 W + 50 W) x 2 (35 W + 50 W + 20 W) x 2 (25 W + 25 W) x 2 30 W x 2 20 W x 2 (25 W + 10 W) x 2
Speakers (16 cm + 8 cm + 2.5 cm (dome)) x 2, Spruce Cone Speaker (16 cm + 8 cm + 5 cm) x 2 (16 cm + 8 cm) x 2 16 cm x 2 10 cm x 2 (16 cm + 5 cm) x 2
Acoustic Optimizer Yes Yes Yes Yes Yes Yes
Power Supply
Power Consumption Power consumption is described on or near the name plate, which is at the bottom of the unit. Power consumption is described on or near the name plate, which is at the bottom of the unit. Power consumption is described on or near the name plate, which is at the bottom of the unit. 20 W (When using PA-300C AC adaptor) 12 W (When using AC adaptor PA-300C) Power consumption is described on or near the name plate, which is at the bottom of the unit.
Auto Power Off Yes Yes Yes Yes Yes Yes
Power Supply Adaptors PA-300C or an equivalent recommended by Yamaha PA-300C or an equivalent recommended by Yamaha
Accessories
Accessories Owner’s Manual, Data List, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord *May not be included depending on your area. Check with your Yamaha dealer. Owner’s Manual, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord *May not be included depending on your area. Check with your Yamaha dealer. Owner’s Manual, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord *May not be included depending on your area. Check with your Yamaha dealer. Owner’s Manual, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord*/AC power adaptor*: PA-300C or an equivalent recommended by Yamaha *May not be included depending on your area. Check with your Yamaha dealer. Owner’s Manual, “50 Classical Music Masterpieces” (music book), Quick Operation Guide, Bench (included or optional depending on locale), Online Member Product Registration, AC adaptor PA-300C or an equivalent, Power cord (included or optional depending on locale) Owner’s Manual, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord *May not be included depending on your area. Check with your Yamaha dealer.