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Siel EX-80

 

 

Siel EX-80

info Country: Italy
Weight: n/a
Dimensions: n/a
audio demo trend price : 150€
demo video comments

Siel Expander
EX-80 module (1985)

 

Module released as an expansion of the Italian synthesizer SIEL DK-80 technically slimmed-down but keeping same synthesis structure.

siel expander 80
edit

info MODULE main panel features a segment display, 24 buttons and 2 knobs.

Back panel terminal connectors:
- stereo output (for chorus effect)
- sequencer clock input
- headphones
- Midi interface
- pedalswitch input assignable to LFO retrig, sequencer start/stop or patch UP.


 


edit
VOICE machine handles 8 voices polyphony type DCO based on a M112B1 (also VCA).
The EX80 can stack voices into 2 different DCO modes:
- Single X 1 DCO and 8 notes polyphony + 1 pink noise
- Dual X 2 DCO and 4 notes polyphony with detune + 1 pink noise
DCO features 2 shapes: sawtooth and square with 3 summable harmonics octaves 16' 8' 4' (each harmonic has individual gain).


dco structure

sgs M112B1





edit FILTER paraphonic resonant filter based on a single SSM2045 at 4-poles slopes, which can be found also on other italo machine like Solton project 100 or famous milestone like Emulator II or some Fairlight CMI versions. A keytracking option is implemented for cutoff compensation on octaves.

 

ssm 2045 vcf




edit
ENVELOPE 2 EGs:
- EG1 voice A.D.B.S.S.R
- EG2 filter A.D.B.S.S.R
A.D.B.S.S.R. stands for: attack, decay, break-point, slope, sustain and release


adsr

 



edit
LFO 2 delayed modulators range from 0.25 Hz to 10 Hz:
- LFO1 DCO pitch
- LFO2 VCF cutoff.
Extra options are: initial and final depth, free flow or manual retrig mode.


LFo

 




edit
SEQUENCER manages up to 2 tracks with no special functions, clock can be synched to:
- analog trigger input
- Midi clock.
MIDI all parameters can be controller by Midi control change.
->full list


siel expander 80




edit
EFFECTS just one analog chorus based on BBD TDA1022 with no possible edit.
Chorus is not available when using WHOLE DCO detune.
Other machine with TDA 1022 chorus: Elka Synthex / Siel Cruise / Orla DSE24 / Elka Omb5.


tda ex80


 

edit EDIT is quite uncomfortable : select one of the parameter printed on the panel and enter a value.
Just a few editors are available:
- Midiquest Ex80 editor (pc/mac)
- GD80 for Commodore 64, but absolutely no info but this pic:

commodore 64 siel editor

siel ex80 editor
above: midiquest editor



edit MEMORY:
- ROM 40 sounds
- RAM 10 sounds
- RAM 300 notes
RAM can be expanded using special cartridge RAM PACK which adds 50 slots.
Battery replacement: soldered CR-2032 battery 3V (check out pic below)

siel ex80 internal

 



edit MAINTENANCE
common issues is the power supply model PS80 weird 16 V AC with 500 mA and custom pinout - be sure to get this one before buying one unit!


siel ps80

 

 

edit RELATED FAMILY:

Suzuki sx500

Suzuki SX-500 - same machine but rebranded for other markets.

Siel Dk80 Siel Dk-80 - essential double DCO structure (bi-timbric) twice powerful than ex80.
Korg Poly800 Korg Poly-800 - the Ex80 is often compared to the poly800 for similar structure (sum square + paraphonic, script) but they have different electronics guts and sound different.


demo AUDIO DEMO

demo all ex80 with drum loop
demo bass
demo S&H faker
demo chill chords
demo chorus
demo blues ex80
demo bassliner
demo cheap space harrier
demo danger sound
demo LFO to filter
demo Contrinute and send your own DK80 EX80 sounds UPLOAD



video YOUTUBE VIDEO CLIP SELECTION

Control change demo Siel DK 80 + Korg Electribe ER 1 Siel ex80 original song
Control change demo Siel DK 80 + Korg Electribe ER 1 polynominal song


module Ex80





manual
SIEL EX-80 MANUAL

 

 

 




manual
SERVICE MANUAL / SCHEMATICS

 

 

 

siel ex80 brochure scan
adsr adsrMidi bargain

 

 

 

 

siel ex80 brochure scan
adsr original Brochure

 

 

 

 

siel ex80 brochure scan
adsr original Brochure

 


siel ex80 brochure scan
adsr The siel Buggy
is also based on the IC m112

 

 

 

 

SIEL EX80 FOR SALE

siel ex80 for saleCHECK OUT EBAY OFFERS


 

 

sgs m112b1 ex80 eprom sgs


manual

-price
-Midi
implementation

manual

-weak DCO / VCA
-limited
-edit

comment


REVIEW " A cheap box with a LOT of limitation, but can achieve some simple but decent polyphonic sounds "

 

 

COMMENTS

 

 

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Siel ex80 3 out of 5 based on 10 ratings. price €150