Trend price : 150€
Module released as an expansion of the Italian synthesizer DK-80, technically slimmed-down but keeping same synthesis structure.
Company: Siel
Model: EX-80
Class: module
Dates: 1985
Display: 7 segments
Technology: analog
Synthesis: subtractive
Oscillators: 8 DCO
Polyphony: 4/8 voices
Multitimbric: no
Filter: LPF paraphonic
LFO: 2 modulators
Envelope: 2 Egs
Sequencer: 2 tracks
SYNC: Midi clock / trigger
Effect: analog chorus
Midi: IN / OUT / TRHU
Memory: 10 slots
Storage: ram cartridge
DCO IC: SGS M112B1
Filter IC: SSM 2045
FX IC: BBD 1022P
PSU: 16V AC AC
Demo: 1
Video: 1
Review: 1
DOWNLOAD: user manual -
Overview
main panel features a segment display, 24 buttons and 2 knobs.
Back panel terminal connectors:
-
stereo output
-
sequencer clock input
-
headphones
-
Midi interface
-
pedalswitch input
Voice
8 voices polyphony, oscillator model DCO based on a I SGS M112B1 (also VCA).
Voice structure offers 2 modes:
- single: 1 DCO and 8 notes polyphony + 1 pink noise
- dual: 2 DCO and 4 notes polyphony
with detune + 1 pink noise
Oscillator
DCO features 2 possible shapes:
-
square with 3 summable harmonics octaves 16' 8' 4'
-
sawtooth
Filter
paraphonic resonant filter based on a single SSM-2045 at 4-poles slopes.
LFO
2 delayed modulators range from 0,25 Hz to 10 Hz:
- LFO1 DCO pitch
- LFO2 VCF cutoff
Envelope
there are 2 EGs:
- EG
voice A.D.B.S.S.R
- EG
filter A.D.B.S.S.R
Sequencer
manages up to 2 tracks with no special functions but metronome.
Sync
Clock can be
synched to:
-
analog trigger input
-
Midi clock
Effect
just one analog chorus based on BBD TDA1022P with no possible edit.
Midi
all parameters can be controller by Midi control change.
Memory
-
ROM 40 sounds
-
RAM 10 sounds
- RAM 300 notes
Review
OK: price / Midi
NOT : DCO-DCA / too limited
"ok a box with a LOT of limitation, but can achieve some simple but decent polyphonic sounds "
Text , review, special demos copyright polynominal.com / Eric Pochesci