Published on Mar 14, 2019 AnalogAudio1 "(c) 2019 by AnalogAudio1 I played the Siel Mono partly with reverb effects from a Lexicon MPX 500 and delay effects from a Korg SDD-3000. But no chorus, phaser or other effects involved. The Siel Mono is a monophonic analog synth made in Italy. It's the only one mono synth from Siel. It has 10 presets (trumpet, flute, violin, you get the idea), but