Casio SK-5

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Casio sk-5.jpg
Manufactured by Casio
Dates 1987–?
Technical specifications
Polyphony 4
Timbrality Monotimbral
Oscillator 5 PCM
Synthesis type Sampling
Attenuator ADSR, 6 preset envelopes
Memory 8 preset tones
4 samples (0.7 second)
2 samples (1.4 second)
496-step sequencer
Effects sample reversal
sample looping
6 envelopes
Keyboard 32 mini-keys
4 built-in sample pads
4 sample-trigger pads
Left-hand control none
External control none

The Casio SK-5 is a sampling keyboard introduced by Casio in 1987. Samples may be gathered from a built-in microphone or a line-level input from another source.

The keyboard was rebranded as the Realistic Concertmate-650 for sale at Radio Shack stores.

Casio SK-5 specifications[edit]


Sampling and playback[edit]

  • Sampling rate: 8-bit, 9.38 kHz
  • Tuning control: ±30 cents
  • Built-in speaker: 8 cm diameter / 1 watt output
  • Inputs: microphone phone connector (1/4 inch), line-in minijack (1/8 inch)
  • Outputs: audio-out minijack (1/8 inch)


  • Auto power off time: 7 minutes since last operation
  • Power: 5 AA batteries or 7.5 volt negative tip polarity AC or DC adapter
  • Power consumption: 1.8 watts

In popular culture[edit]

The distinctive "Lion" sample has been used in several commercial recordings. It can be heard at the very end of "Ghetto Thang" on De La Soul's 3 Feet High and Rising album, and also during "A Shropshire Lad" (at 1:27) by Half Man Half Biscuit.

In the Kanye West documentary Making of Late Registration, producer and composer Jon Brion (Fiona Apple, Robyn Hitchcock) is seen in the first studio scenes of the documentary talking with West holding an Casio SK-5 in his lap. (YouTube version has this scene in Part 1 at 3:58, West is talking to Brion about his Shirley Bassey sample; referring to the popular track "Diamonds from Sierra Leone"). However it is not known whether the Casio was actually used in the production of the critically acclaimed album.

Elastica used the Dog, Lion, and Laser Gun samples in their song "Mad Dog God Dam." Electroclash band Le Tigre also utilised the SK5 for their single "Deceptacon", and the SK5 featured in the music video of this song. It is rumoured that the SK5 was fundamental to the short lived ambient death jungle scene which emerged in Sheffield in the late 90’s. Pioneers of the scene, the Igniting Death Rocket People (IDRP) made extensive use of the preset dog bark and lion samples for their debut single 'The elucent howl'. It is currently unverifiable whether any copies of the elucent howl remain in circulation.

In the cartoon Bob's Burgers, the character Gene Belcher can be seen frequently using a Casio SK-5.

External links[edit]