Seiko DS-250
The DS-250 was an electronic keyboard manufactured in 1985[3] by Seiko and was considered a commercial failure.[4] It was capable of generating both digital and additive sounds.[5] It is expandable with two expander units DS-310 and DS-320.[6]
| DS-250 | |
|---|---|
| Manufacturer | Seiko |
| Dates | 1985 |
| Technical specifications | |
| Polyphony | 8 voice |
| Timbrality | 1 part |
| Oscillator | Sine |
| LFO | 1 |
| Synthesis type | Digital Additive |
| Filter | No |
| Storage memory | 4 user memory[1] |
| Effects | Chorus |
| Input/output | |
| Keyboard | 61 keys |
| Left-hand control | Pitch bend wheel[2] |
| External control | MIDI In, out, thru |
Features
The unit used additive synthesis for sound generation, chorus and ports included MIDI[7] In, Out and Through, RCA outputs( stereo), Headphones and level controls for both channels. It also has on board speakers.[8]
DS1000 sequencer
A MIDI 1000 note sequencer was also produced for use with the DS-250 in 1986[9] (and other MIDI devices) called the DS1000. It had four buttons Record, play, stop and pause, a tempo slider.[10]
Famous Users
- Jean-Michel Jarre[11] First Rendez-vous and Last Rendez-vous (Ron's piece)[12] [13] [14] [15]from the album Rendez-Vous.
Sounds
Mostly known for its pad and bell type sounds.
gollark: Something like that (pseudopython).
gollark: ```for i in range(2, sqrt(x)): if x // i == x / x: return falsereturn true```
gollark: Or scratch them.
gollark: Cats sit on couches.
gollark: The actual GNU/Linux cat reads a list of files from the command line and outputs those on stdout (`cat x y z` will print the contents of x, y and z in sequence).
References
- "Seiko DS250 / DS 310 (1984) | Aerozone JMJ". aerozonejmj.fr (in French). Retrieved 2018-08-20.
- "Dave's Seiko crapola". www.umop.com. Retrieved 2018-08-20.
- "Seiko DS-250". www.matrixsynth.com. Retrieved 2018-06-05.
- "Jean-Michel Jarre's Time Machine". KeyboardMag. Retrieved 2018-08-20.
- "Seiko DS-250". www.matrixsynth.com. Retrieved 2018-06-25.
- "Seiko DS-250". www.99musik.se (in Swedish). Retrieved 2018-08-20.
- "Dave's Seiko crapola". www.umop.com. Retrieved 2018-06-25.
- "Dave's Seiko crapola". www.umop.com. Retrieved 2018-08-20.
- "Seiko DS250 / DS 310 (1984) | Aerozone JMJ". aerozonejmj.fr (in French). Retrieved 2018-08-20.
- "Dave's Seiko crapola". www.umop.com. Retrieved 2018-08-20.
- "You searched for seiko - Synthwatchers.com". Synthwatchers.com. Retrieved 2018-06-05.
- Inc., Equipboard. "Jean Michel Jarre's Seiko DS 250". Equipboard. Retrieved 2018-07-25.
- "SEIKO DS 250". www.jarrography.free.fr. Retrieved 2018-07-25.
- "Jean Michel JARRE | Rendez-Vous". Disques Dreyfus (in French). Retrieved 2018-07-25.
- "Jean Michel JARRE | Rendez-Vous". Disques Dreyfus (in French). Retrieved 2018-08-20.
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