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編號 19333267

已出售
Casio SK-1 - Vintage Sampling Keyboard (1985)
最終出價
€ 65
300 週前

Casio SK-1 - Vintage Sampling Keyboard (1985)

A true Musical Collectors Item: Casio SK-1 - in perfect working condition This keyboard from 1985 was the first affordable home instrument that could record and playback samples. It also includes an additive synthesizer that can generate Hammond- like organ drawbar sounds by mixing sine waves. The rhythms are made from very recognizable semi- metallic blip percussion. All sounds can be combined with 13 preset volume envelopes. Also the portamento (glide tones) button is really fantastic, because it can make the instrument howl like a theremin when switched into a monophonic mode. The SK-1 has cheesy single finger accompaniments and great digital blip rhythms. The blip percussion sounds very unique and has been used in many tekkno, acid house and pop musics. Very annoying is that the sample-, synthesizer- and sequencer memory is always erased by auto power- off. (As a temporary fix for this, simply start a rhythm and set volume to minimum when you need to make a pause.) This instrument was also released as Realistic Concertmate-500. main features: - 32 midsize keys - built-in speaker main voice polyphony up to 4 notes - 8 OBS preset sounds {piano, trumpet, human voice, pipe organ, brass ensemble, flute, synth. drums, jazz organ}. - 11 preset rhythms {disco, rock, pops, march, samba, bossa nova, rhumba, 4beat, swing, slow rock, waltz} made from unique blippy digital waveforms - single finger chord mode (full keyboard plays only accompaniments (e-bass + e-piano arpeggio line)) - lo-fi sampler (1 sample, loopable 1.4s with 8 bit at 9.38kHz) - additive synthesis (1 memory for a waveform assembled from 9 virtual sine drawbars {16', 8', 5 1/3', 4', 2 2/3', 2', 1 3/5', 1 1/3', 1'} with each 14 steps) - 13 selectable preset volume envelopes (usable on any sound) - vibrato and portamento buttons - fill-in button - slide switch for "normal" (polyphonic), "solo 1"/ "solo 2" (monophonic) and "chord" (single finger chords only) mode. - sample based sound generator for 4 voices + rhythm. The percussion employs very recognizable semi- metallic thin blip timbres. - complex multi- chip hardware - small sequencer with 400 steps on 3 tracks {solo 1, solo 2, chords/ accompaniment} - no persistent memory, i.e. sample, synthesizer and sequencer data get erased as soon the instrument is switched off or goes auto-power-off after a few minutes. - 1 demo melody ("The Toy Symphony" by Mozart). - auto power- off (erases memory!) - jacks for AC- adapter, line out, line in, microphone - "eastereggs": shitshot: Connecting the power supply makes the instrument often come up with lit power LED and sometimes in strange sounding crash modes despite its power switch is in "off" position. Switch the SK-1 on and off again to genuinely turn it off The sampling feature of the SK-1 sounds extremely lo-fi (rather 4 than 8 bit?), but is nice for tekkno; also the "synth. drums" (synth tom loop) and blip rhythms are interesting for this. It is strange that this thing has only a standby mode instead of a hardware power switch (noticeable by the strange power supply bug) and a rather complex sequencer despite it has no persistent memory and the annoying auto power- off. Likely Casio originally intended to equip it with battery backed- up RAM, but considered it too expensive, too battery consuming or discovered in the last moment a hardware bug that prevented it from working properly and thus disabled this feature. The SK-1 PCB is a quite complex multi- chip design. The preset sounds are made from looped medium resolution samples. This instrument has an astonishingly natural sounding piano, that sounds better than many modern mini- keyboards. The "trumpet" has delayed vibrato and apparently produces an artificial wind noise during its attack phase by a rapidly stuttering zipper noise envelope. The "brass ensemble" is a nice synth brass. The "human voice" sounds like a child voice singing "tong"; the entire sample repeats in a loop and slowly fades silent like an echo (ignores key press duration). The "synth. drums" is a tekkno drum loop sample (alternating base + echoing synth tom) that slowly fades silent (like an echo). All sounds can be combined with the 13 preset envelopes. The vibrato button adds a vibrato (quite weak, about 5Hz) and the portamento button makes the tone bend from one note to another (like a slide trombone, takes about 0.5s) when a note is held and a new key is pressed. (The held old note stays audible unless you select monophonic play by setting the "mode" switch to "solo 1" or "solo 2".) You can play fantastic theremin- like howling effects this way. The rhythms sound quite unique due to its digital blip percussion; they were already used e.g. in various early acid house musics. The drums are made from unique rough and blippy digital waveforms (possibly these are extremely low- res loop samples with decay envelope). The cymbals employ a rough and semi- metallic digital waveform. When the "mode" switch is set to "chord", all keys play single finger accompaniments (with rhythm, 1 chord per key - a similar concept like the chord button field on Casio PT-30, "nc" mutes accompaniment). The accompaniments consist of a monophonic e-bass line and a (monophonic?) sort-of e-piano; they all sound cute and cheesy and most contain typical arpeggio patterns. There is no manual chords mode (without rhythm). With accompaniment you can not play the main voice, but you can record a chord sequence in the built-in sequencer and then play to it. But due to the memory gets erased by auto-power-off, the sequencer is unfortunately almost useless despite it can be edited and records on 3 individual tracks. The synthesizer feature is great for organ tones and gentle pad sounds, although it can not be programmed in realtime. To program a timbre, press "synthesizing". A continuous sine wave tone starts now. You can now use 9 of the white keys to change the timbre; each key behaves like a Hammond organ drawbar and adds an overtone; the more often you press it (up to 14 times), the louder turns the overtone. You can not reduce the overtone volume again, but only clear all overtones by pressing "synthesizing" again. When the timbre is finished, press the blue button in the preset sound row to select it. You can add a preset volume envelope for it by pressing "envelope select" followed by a black key. The envelopes are slow and sound quite similar; short ones play a fixed time (0.15s?) and then end with an audible click. Successors of the Casio SK-1 include the Casio SK-5 and SK-8. These all had real persistent memory (could even store 4 samples), but unfortunately the synthesizer and portamento is gone, envelopes work only with sampling and the drums are different (plain ordinary samples). The Casio SK-2 is a crippled variant of these (only 5 sounds, 6 rhythms). In good condition, complete with battery cover, has some minor user traces, as you can see in the pictures. Comes complete with 5 batteries(new). Also works with 7.5 vdc adapter(not included). User manual in English (PDF) included. All items are carefully packed and are shipped with insured courier ! Low transport rates ! Combined shipping possible !

編號 19333267

已出售
Casio SK-1 - Vintage Sampling Keyboard (1985)

Casio SK-1 - Vintage Sampling Keyboard (1985)

A true Musical Collectors Item: Casio SK-1 - in perfect working condition

This keyboard from 1985 was the first affordable home instrument that could record and playback samples. It also includes an additive synthesizer that can generate Hammond- like organ drawbar sounds by mixing sine waves. The rhythms are made from very recognizable semi- metallic blip percussion.


All sounds can be combined with 13 preset volume envelopes. Also the portamento (glide tones) button is really fantastic, because it can make the instrument howl like a theremin when switched into a monophonic mode. The SK-1 has cheesy single finger accompaniments and great digital blip rhythms. The blip percussion sounds very unique and has been used in many tekkno, acid house and pop musics. Very annoying is that the sample-, synthesizer- and sequencer memory is always erased by auto power- off. (As a temporary fix for this, simply start a rhythm and set volume to minimum when you need to make a pause.) This instrument was also released as Realistic Concertmate-500.

main features:

- 32 midsize keys
- built-in speaker
main voice polyphony up to 4 notes
- 8 OBS preset sounds {piano, trumpet, human voice, pipe organ, brass ensemble, flute, synth. drums, jazz organ}.
- 11 preset rhythms {disco, rock, pops, march, samba, bossa nova, rhumba, 4beat, swing, slow rock, waltz} made from unique blippy digital waveforms
- single finger chord mode (full keyboard plays only accompaniments (e-bass + e-piano arpeggio line))
- lo-fi sampler (1 sample, loopable 1.4s with 8 bit at 9.38kHz)
- additive synthesis (1 memory for a waveform assembled from 9 virtual sine drawbars {16', 8', 5 1/3', 4', 2 2/3', 2', 1 3/5', 1 1/3', 1'} with each 14 steps)
- 13 selectable preset volume envelopes (usable on any sound)
- vibrato and portamento buttons
- fill-in button
- slide switch for "normal" (polyphonic), "solo 1"/ "solo 2" (monophonic) and "chord" (single finger chords only) mode.
- sample based sound generator for 4 voices + rhythm. The percussion employs very recognizable semi- metallic thin blip timbres.
- complex multi- chip hardware
- small sequencer with 400 steps on 3 tracks {solo 1, solo 2, chords/ accompaniment}
- no persistent memory, i.e. sample, synthesizer and sequencer data get erased as soon the instrument is switched off or goes auto-power-off after a few minutes.
- 1 demo melody ("The Toy Symphony" by Mozart).
- auto power- off (erases memory!)
- jacks for AC- adapter, line out, line in, microphone
- "eastereggs": shitshot: Connecting the power supply makes the instrument often come up with lit power LED and sometimes in strange sounding crash modes despite its power switch is in "off" position. Switch the SK-1 on and off again to genuinely turn it off

The sampling feature of the SK-1 sounds extremely lo-fi (rather 4 than 8 bit?), but is nice for tekkno; also the "synth. drums" (synth tom loop) and blip rhythms are interesting for this. It is strange that this thing has only a standby mode instead of a hardware power switch (noticeable by the strange power supply bug) and a rather complex sequencer despite it has no persistent memory and the annoying auto power- off. Likely Casio originally intended to equip it with battery backed- up RAM, but considered it too expensive, too battery consuming or discovered in the last moment a hardware bug that prevented it from working properly and thus disabled this feature. The SK-1 PCB is a quite complex multi- chip design.
The preset sounds are made from looped medium resolution samples. This instrument has an astonishingly natural sounding piano, that sounds better than many modern mini- keyboards. The "trumpet" has delayed vibrato and apparently produces an artificial wind noise during its attack phase by a rapidly stuttering zipper noise envelope. The "brass ensemble" is a nice synth brass. The "human voice" sounds like a child voice singing "tong"; the entire sample repeats in a loop and slowly fades silent like an echo (ignores key press duration). The "synth. drums" is a tekkno drum loop sample (alternating base + echoing synth tom) that slowly fades silent (like an echo). All sounds can be combined with the 13 preset envelopes. The vibrato button adds a vibrato (quite weak, about 5Hz) and the portamento button makes the tone bend from one note to another (like a slide trombone, takes about 0.5s) when a note is held and a new key is pressed. (The held old note stays audible unless you select monophonic play by setting the "mode" switch to "solo 1" or "solo 2".) You can play fantastic theremin- like howling effects this way.

The rhythms sound quite unique due to its digital blip percussion; they were already used e.g. in various early acid house musics. The drums are made from unique rough and blippy digital waveforms (possibly these are extremely low- res loop samples with decay envelope). The cymbals employ a rough and semi- metallic digital waveform.

When the "mode" switch is set to "chord", all keys play single finger accompaniments (with rhythm, 1 chord per key - a similar concept like the chord button field on Casio PT-30, "nc" mutes accompaniment). The accompaniments consist of a monophonic e-bass line and a (monophonic?) sort-of e-piano; they all sound cute and cheesy and most contain typical arpeggio patterns. There is no manual chords mode (without rhythm). With accompaniment you can not play the main voice, but you can record a chord sequence in the built-in sequencer and then play to it. But due to the memory gets erased by auto-power-off, the sequencer is unfortunately almost useless despite it can be edited and records on 3 individual tracks.

The synthesizer feature is great for organ tones and gentle pad sounds, although it can not be programmed in realtime. To program a timbre, press "synthesizing". A continuous sine wave tone starts now. You can now use 9 of the white keys to change the timbre; each key behaves like a Hammond organ drawbar and adds an overtone; the more often you press it (up to 14 times), the louder turns the overtone. You can not reduce the overtone volume again, but only clear all overtones by pressing "synthesizing" again. When the timbre is finished, press the blue button in the preset sound row to select it. You can add a preset volume envelope for it by pressing "envelope select" followed by a black key. The envelopes are slow and sound quite similar; short ones play a fixed time (0.15s?) and then end with an audible click.

Successors of the Casio SK-1 include the Casio SK-5 and SK-8. These all had real persistent memory (could even store 4 samples), but unfortunately the synthesizer and portamento is gone, envelopes work only with sampling and the drums are different (plain ordinary samples). The Casio SK-2 is a crippled variant of these (only 5 sounds, 6 rhythms).

In good condition, complete with battery cover, has some minor user traces, as you can see in the pictures.

Comes complete with 5 batteries(new). Also works with 7.5 vdc adapter(not included). User manual in English (PDF) included.

All items are carefully packed and are shipped with insured courier ! Low transport rates ! Combined shipping possible !


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