Siel
Encyclopedia
Societa Industrie Elettroniche (SIEL) was an Italian
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 company that made electronic organ
Electronic organ
An electronic organ is an electronic keyboard instrument which was derived from the harmonium, pipe organ and theatre organ. Originally, it was designed to imitate the sound of pipe organs, theatre organs, band sounds, or orchestral sounds....

s and synthesizer
Synthesizer
A synthesizer is an electronic instrument capable of producing sounds by generating electrical signals of different frequencies. These electrical signals are played through a loudspeaker or set of headphones...

s in the 1980s.

Timeline of major products

  • 1979 - Orchestra
    Siel Orchestra
    The Siel Orchestra is an analogue subtractive synthesizer, which was produced by Italian manufacturer Siel from 1979 to 1982. The original Orchestra was very limited but still a very characteristic instrument for its time. It produces its sounds from a divide-down oscillator network and therefore...

     (Divide down oscillator network for full poly. Brass/string/key/organ. ARP
    ARP Instruments, Inc.
    ARP Instruments, Inc. was an American manufacturer of electronic musical instruments, founded by Alan Robert Pearlman in 1969. Best known for its line of synthesizers that emerged in the early 1970s, ARP closed its doors in 1981 due to financial difficulties...

     relabelled it the "Quartet" in the US as they were folding.)
  • 1980 - Mono (A fairly nice sounding simple 1 DCO, 1 VCF monosynth)
  • 1982 - OR400 / Orchestra 2 (Improvement of Orchestra above. More parameter sliders. This was also marketed by Sequential Circuits
    Sequential Circuits
    Sequential Circuits Inc. was a California-based synthesizer company that was founded in the early 1970s by Dave Smith and sold to Yamaha Corporation in 1987. The company, throughout its lifespan, pioneered many groundbreaking technologies and design principles that are often taken for granted in...

     as the Prelude.)
  • 1984 - Opera 6 (2 DCO divide down from HFO ssm2031 chips, with all analog signal/EG)
  • 1984 - DK600 (Opera 6 with different artwork. The last EPROM supports MIDI channels/Omni off)
  • 1984 - Expander (opera 6/DK600 in a table top module. Only dco B tune, Volume, master tune.)
  • 1985 - DK80 (splittable/layerable dual 6 voice synth with one M112B1 tone and one SSM2045 VCF per half.)
  • 1985 - Expander 80 (DK80 module)
  • 1985 - DK70
    Siel DK70
    -Description:It is very similar to a Korg Poly-800, in that it operates like an analog synth, but its oscillators, LFO and envelope generators are all digital. Like the Poly-800, the DK-70 has eight oscillators/voices, but all the voices are mixed together through a single "monophonic" analog...

     (One half of DK80 utilizing 8DCO in either single or 2DCO/4 voice.)
  • 1985 - CMK 49 (Commodore 64
    Commodore 64
    The Commodore 64 is an 8-bit home computer introduced by Commodore International in January 1982.Volume production started in the spring of 1982, with machines being released on to the market in August at a price of US$595...

    keyboard)
  • 1986 - DK700 (Enhanced DK600 with digital editing instead of knobs.)

External links

  • Siel Synthesizers Website Information and photos of synthesizers
  • http://www.synclub.co.uk/museum/Siel/EX80/SielExpander80.htm [Web page dedicated to the Siel Expander 80]
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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