Yamaha CK88

Essential Information About the Yamaha CK88 Stage Keyboard

• 88-key GHS graded hammer keyboard, natural piano feel and velocity-sensitive touch


• AWM2 sound engine with 363 voices, including pianos, organs, and synths, and 128-note polyphony


• Built-in 2 x 6 W speakers and AA battery operation for playing anywhere


• Direct stage control: organ drawbars, pitch/mod wheels, Master EQ, Live Set memories

The Ideal Link Between the CP and YC Series

Designed for stage and mobile creation, the CK88 combines the piano expressiveness of the CP series with the organ/synth culture of the YC series. This hybrid positioning offers a versatile stage keyboard capable of switching between acoustic pianos, electric pianos, drawbar organs, and modern textures without changing instruments. With dedicated controls and an all-in-one design, it suits both live keyboardists and mobile musicians.

Keyboard Design

The CK88 features a Graded Hammer Standard (GHS) 88-key keyboard, with a progressive weighted touch that is heavier in the low end and lighter in the high end, similar to an acoustic piano. The velocity sensitivity allows fine dynamic control, while the smooth and reliable action facilitates quick transitions between piano, EP, and organ playing.

Sound Quality

Powered by AWM2 technology (high-quality samples) and dedicated organ flutes, the CK88 offers 363 voices covering pianos, electric pianos, strings, brass, organs, and modern synths. The 128-note polyphony ensures dense arrangements without note dropouts. For practice, the built-in 2 x 6 W system delivers balanced sound; for concerts, stereo line outputs take over.

Built-in Effects

• Reverb, chorus, delay, brilliance


• Overdrive/rotary for organ, modulation (phaser, tremolo)


• Master EQ and dedicated effect controls on the front panel

Technical specifications

Effects	Reverb, Delay, EQ, Chorus	Touch	Semi-weighted
Arpeggiator	No	Split & layer	layer, split
Bluetooth	No	Max polyphony	128
Controller	Pitchbend, Modulation, Drawbars	USB to Host port	Yes
Number of speakers	2	Inputs	234, Sustain pedal, Bluetooth audio, 2 x jack, Control pedal
Velocity sensitive	Yes	Outputs	Midi, 2 x jack, USB Type B, 6.5 mm headphone, USB Type A
MIDI DIN I/O	Yes	Color	Black
Number of keys	88	Finishing	Matt

Keyboard	88 keys, weighted GHS action, initial touch (velocity sensitivity)	Headphone output	stereo 1/4" jack
Tone generator	AWM2 and dedicated organ flutes	Pedal connectors	2 (sustain/control)
Polyphony	128 voices	MIDI	In/Out (DIN)
Number of sounds	363	USB	To Device (USB flash drive), To Host with 2x2 audio interface
Memories	160 Live Set (splits & layers)	Built-in speakers	2 x 6 W
Wheels	pitch bend and modulation	AC adapter	external, included
Controls	9 organ harmonic drawbars, 3 part volume sliders, 11 control buttons	Battery operation	8 x AA alkaline or Ni-MH batteries
Display	128 x 64-dot LC display	Dimensions	1333 x 354 x 148 mm
Stereo line outputs	2 x 1/4" jack (L/Mono, R)	Weight	13.1 kg
Stereo line inputs	2 x 1/4" jack (L/R)	Included accessories	manual and AC power supply