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Casio SK-1 - Wikipedia

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SK-1
Casio SK-1
Manufacturer	Casio
Dates	1985–?
Technical specifications
Polyphony	4
Timbrality	Monotimbral
Synthesis type	Sampling, additive
Attenuator	ADSR, 13 preset envelopes
Storage memory	5 preset PCM tones 3 preset additive tones 1 user additive tone 1 sample 400-step sequencer
Effects	Portamento Vibrato Sample looping
Input/output
Keyboard	32 mini-keys
Left-hand control	none
External control	none

The Casio SK-1 is a small sampling keyboard made by Casio in 1985.^[1]^[2] It has 32 small sized piano keys, four-note polyphony, with a sampling bit depth of 8 bit PCM and a sample rate of 9.38 kHz for 1.4 seconds, a built-in microphone and line level and microphone inputs for sampling, and an internal speaker and line out. It also features a small number of four-note polyphonic preset analog and digital instrument voices, and a simple additive voice.

All voices may be shaped by 13 preset envelopes, portamento, and vibrato. It also includes a rudimentary sequence recorder, preset rhythms and chord accompaniment. The SK-1 was thus an unusually full-featured synth in the sub-US$100 (equivalent to $280 today) home keyboard market of the time.

The SK-1 includes one pre-arranged piece of music, the Toy Symphony, which is played when the "Demo" button is pressed.^[3]

The Radio Shack version of the Casio SK-1 is called the Realistic Concertmate 500.^[4]

The SK line continued throughout the late 1980s, including the SK-2, SK-5, SK-8 and 8A, SK-10, SK-60, SK-100, SK-200, and SK-2100.

Use in recorded music

The SK-1 has been used by a few major recording artists for its simplicity and lo-fi sound. It became very popular in the late 1990s among the circuit bending crowd after the first guide to bending it was published by Reed Ghazala in Experimental Musical Instruments magazine, though the SK-1 was being modified as early as 1987 when Keyboard Magazine published an article on adding MIDI support.^[5]

The synthesizer was one of the first pieces of equipment that Autechre had when they began recording music.
Musician and score composer Michael Andrews featured a circuit bent SK-1 heavily in the Me and You and Everyone We Know musical score.
The "Realistic Concertmate" version of the SK-1 is the primary synth used in the no wave / industrial band Special Interest.
It was used by notable jungle artist DJ Hype for his seminal productions,^[6] and rapper and producer Large Professor used it in his early years of beat-making.
Australian band Turnstyle used the keyboard's sample function on various songs as both repetitive motifs (Happier Than Metallica) and melodic passages (Sad Rambo).
Owen Ashworth used and recorded with one for Casiotone for the Painfully Alone's second live album In Sydney.
Graham Lewis of Wire used it frequently during their late-80s period.
Mount Eerie's Eleven Old Songs of Mount Eerie consisted solely of Phil Elverum's vocals and an SK-1, making use of its various effects and built-in rhythm machine.It is also featured on the cover of the Soccer Mommy album "Collection".
Composer Samuel Andreyev has written demanding parts for the SK-1 in several of his chamber compositions, including Vérifications, Iridescent Notation and Sextet in Two Parts.^[7]
Damon Albarn of the British band Blur uses the SK-1 in the song Advert, on the album "Modern Life Is Rubbish"

References

^ Holmes, Thom (2008). Electronic and Experimental Music. New York: Routledge. ISBN 978-0-415-95782-3.
^ Coleman, Brian (2007). Check the Technique. New York: Villard. ISBN 978-0-8129-7775-2.
^ Casio SK-1 Operation Manual (page 28)
^ "Realistic Concertmate – 500". Archived from the original on 2012-05-30. Retrieved 2012-03-04.
^ "Keyboard Article: MIDI Mod for Casio SK-1". Archived from the original on 2018-06-12. Retrieved 2005-10-24.
^ All Crews: Journey's Through Jungle / Drum and Bass Culture, Brian Belle-Fortune, 2005
^ Samuel Andreyev, Music with no Edges, Kairos Records 2018