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Casio SK-1 Sampling Keyboard

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    Description
    The Casio SK-1 is a small sampling keyboard made by Casio in 1985.

    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, a built-in microphone and line level input for sampling, and an internal speaker. 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-$US100 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.

    The Radio Shack version of the Casio SK-1 is called the Realistic Concertmate 500. The Casio SK-1 is the predecessor to the Casio SK-5.
    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.
    Images
    Architecture
    Type: Digital
    Synthesis: Additive, Sampling
    Oscillators: 2
    Waveforms: ROM, Sine
    ROM Resolution: 8 bit
    Osc Modulation: Envelope, Keyboard
    Oscillator Notes:
    Harmonic synthesis
    + Simple additive synth.
    + Stacks sine waves to make organ and bells sounds.

    PCM Sounds:
    + piano
    + brass ensemble
    + trumpet
    + synth drums
    + human voice

    Synth tones:
    + flute
    + pipe
    + organ
    + jazz organ
    Sampling: 8 bit, 9 kHz, Loop, One Shot (Phrase)
    Sampling Notes:
    + 9.38 kHz sample rate
    + 1.4 seconds same time
    Envelopes: 1
    Evelope Paramerters: Attack, Decay, Sustain, Release
    Envelope Notes::
    + 13 preset envelope shapes.
    Filters
    Filters: 0
    LFO: 0
    Polyphony & Tuning
    Polyphony: 4
    Timbrality: 1
    Tuning: Standard
    Modes: Mono, Polyphonic
    Patches
    Patches RAM: 1
    Patches ROM: 6
    Storage: Internal
    Effects
    + Portamento
    + Vibrato
    Percussion
    11 Drums Patterns:<br />+ disco<br />+ rock<br />+ pops<br />+ march<br />+ samba<br />+ bossa nova<br />+ rhumba<br />+ 4 beat<br />+ swing<br />+ slow rock<br />+ waltz
    Sequencer
    + 400 steps polyphonic
    + 198 steps solo voices
    + 99 steps chord
    Case
    Case: Keyboard
    Case Details: Mini-keys
    Keyboard: 37 keys, Mini-Keys, Non-weighted, Plastic
    Controls: Buttons, Sliders
    Connections
    Audio Output Connections: 1/8" Phone Jack, Mono Out
    Audio Output Notes: 1 Mono
    Inputs: 1 Mono
    DAC Bits: 8
    DAC Frequency Rate: 12
    Production
    Year Released: 1985
    Used By
    Reed Ghazala, Autechre, Owen Ashworth
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] en.wikipedia.org

    Pricing
    List Price: $100 - convert
    Retail Price: $80 - convert
    Used Price: $20 - $80

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