Siel Opera 6

Siel Opera 6 is a vintage analog synthesizer manufactured by Siel in the late 1970s. It was used by many popular musicians of the time, including Jean-Michel Jarre, Kraftwerk, and Tangerine Dream.

The Siel Opera 6 is a monophonic synthesizer with two oscillators, a low-pass filter, and an envelope generator. It has a wide range of sounds, from bass and lead sounds to strings and pads. It also has a built-in chorus effect and a portamento feature. The Siel Opera 6 is a great choice for those looking for a classic analog sound.