CK Series – CK61, CK88

CK61 CK88
Keyboard Number of Keys 61 88
Type FSB keyboard, initial touch GHS keyboard: matte black keytops
Tone Generation Tone Generating Technology AWM2, AWM (Organ Flutes) AWM2, AWM (Organ Flutes)
Polyphony Number of Polyphony (Max.) 128 128
Number of Live Set Sound 160 (Preset Live Set Sounds: 80) 160 (Preset Live Set Sounds: 80)
Number of Voices 363 363
Types Insertion Effect Drive 1 system (5 types) / Effect 2 systems (1: 36 types, 2: 36 types) Drive 1 system (5 types) / Effect 2 systems (1: 36 types, 2: 36 types)
Delay 4 types 4 types
Reverb 3 types 3 types
Master EQ 3-band 3-band
Connectors Line Out [L/MONO]/[R] (6.3 mm, standard phone jacks, unbalanced) [L/MONO]/[R] (6.3 mm, standard phone jacks, unbalanced)
A/D INPUT [L/MONO]/[R] (6.3 mm, standard phone jacks) [L/MONO]/[R] (6.3 mm, standard phone jacks)
Headphones [PHONES] (6.3 mm, standard stereo phone jack) [PHONES] (6.3 mm, standard stereo phone jack)
Foot Controller FOOT PEDAL [1]/[2] FOOT PEDAL [1]/[2]
MIDI MIDI [IN]/[OUT] MIDI [IN]/[OUT]
USB USB [TO HOST]/[TO DEVICE] USB [TO HOST]/[TO DEVICE]
DC IN [DC IN] [DC IN]
Bluetooth Yes (Audio Input) * May not have this functionality depending on the country Yes (Audio Input) * May not have this functionality depending on the country
USB audio interface [Sampling Frequency = 44.1 kHz] In: 2 channels (1 stereo channel) Out: 2 channels (1 stereo channel) [Sampling Frequency = 44.1 kHz] In: 2 channels (1 stereo channel) Out: 2 channels (1 stereo channel)
Amplifiers 6 W × 2 6 W × 2
Speakers (12 cm × 6 cm) × 2, Switchable ON/OFF (12 cm × 6 cm) × 2, Switchable ON/OFF
Display Full Dot LCD (128 x 64 dots) Full Dot LCD (128 x 64 dots)
Included accessories AC adaptor*, Owner’s Manual *May be included depending on your locale AC adaptor*, Owner’s Manual *May be included depending on your locale
Power Supply Adaptors PA-150B or an equivalent recommended by Yamaha (Output: DC 12V, 1.5 A) PA-150B or an equivalent recommended by Yamaha (Output: DC 12V, 1.5 A)
Batteries Eight “AA” size alkaline (LR6) or Ni-MH rechargeable batteries Eight “AA” size alkaline (LR6) or Ni-MH rechargeable batteries
Power Consumption 11 W (When using PA-150B AC adaptor) 11 W (When using PA-150B AC adaptor)
Dimensions Width 910 mm (35-13/16") 1,333 mm (52-1/2")
Height 109 mm (4-5/16") 148 mm (5-13/16")
Depth 291 mm (11-7/16") 354 mm (13-15/16")
Weight Weight 5.6 kg (12 lb 6 oz) (not including batteries) 13.1 kg (28 lb 14 oz) (not including batteries)
Packing Box Width 1,100 mm (43-5/16") 1,520 mm (59-13/16")
Height 240 mm (9-7/16") 260 mm (10-1/4")
Depth 410 mm (16-1/8") 480 mm (18-7/8")
  • *For Android devices, the USB audio interface function may not work properly.