Siel Expander

Siel Expander is a vintage analog synthesizer from the 1980s. It was used by many popular musicians, including Depeche Mode, The Cure, and New Order. The Expander is a monophonic synthesizer with two oscillators, a low-pass filter, and an envelope generator. It also features a built-in chorus effect and a noise generator. The Expander is capable of producing a wide range of sounds, from warm and mellow to aggressive and distorted. It is also capable of creating complex soundscapes and textures.