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Siel | Expander 80 |
Description | The Siel Expander 80 is a 2 DCO oscillator synthesizer desktop module. It was also manufactured for Suzuki as the SX-500. Its architecture and layout is very similar to the Korg EX-500 synthesizer module.The unit can be played in dual mode or single mode. In single mode the unit can play up to 8 voices and in dual mode the unit can have up to 4 voices. The instrument is fully MIDI controllable with CC messages and the filter can be retriggered upon every note played. It also features 50 presets with 10 being user patches. It also features a 2 track 300 note sequencer. |
Brand | Siel |
Model | Expander 80 |
Device | Synth |
Type | Desktop |
Engine Type | Analog |
Engine | DCO |
Voices (max) | 8 |
Multitimbral | 2 |
Oscillators | 2 |
LFO | 2 Square, Triangle |
Noise | Y |
Engine Detailed | 2 DCO's per voice, Saw Down, Saw Up, Square, White Noise |
Filter (VCF) | 1 Low Pass, Resonance |
Envelope (VCA) | 1 Attack, Decay, Sustain, Release, Slope |
Memory | 40 ROM, 10 RAM |
Recording | 2 track, 300 note |
Keys | 0 |
Key type | N/A |
Velocity | N/A |
Aftertouch | N/A |
Midi | I-O-T |
Produced: | 1985 - 1986 |
Legend: | Obvious | Y: Yes, N: No, N/A: Not Applicable | |
VCO | Voltage Controlled Oscillator | DCO | Digital Controlled Oscillator |
LFO | Low Frequency Oscillator | Sub | Sub Oscillator |
VCF | Voltage Controlled Filter | VCA | Voltage Controlled Amplifier |
Velocity | As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. | Aftertouch | Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel. |
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise. |