Sequential was founded by legendary instrument designer and Grammy-winner Dave Smith.In 1977, Dave designed the Sequential Circuits Prophet-5, the world’s first fully-programmable polyphonic …

Fourm is a compact analog synthesizer that invites you to play, shape, and perform with unprecedented expression. With its legendary Sequential tone, hands-on modulation, and uniquely responsive …

The Pro 3 synthesizer is a supersonic science lab with its powerful array of tone-shaping tools. Combining wavetable and analog oscillators, three distinct analog filter types, and 3-note paraphonic …

Legendary analog polysynth A timeless classic The Prophet-5 is revered by artists for its unique and influential sound that has shaped music for decades. Introduced in 1978 as the world’s first fully …

1986 Sequential Circuits releases the Prophet VS, introducing vector synthesis to the world, a more flexible and performable evolution of wavetable technology. Vector synthesis went on to form the …

San Francisco, CA – [July 1, 2025] – Sequential, a leading innovator in synthesizer technology, is excited to announce the release of the Take 5 Desktop Module, bringing our legendary analog sound …

PRODUCT SUPPORT DOWNLOADS The links below provide support for your instrument. Click the appropriate link, read the content, and download any files that you need. Once downloaded, unzip …

Sequential was founded led by legendary instrument designer and Grammy-winner Dave Smith. In 1977 Dave designed the Sequential Circuits Prophet-5, the world’s first fully-programmable polyphonic …

Though independent laboratory testing has certified that our products are several orders of magnitude below safe limits, it is our responsibility to alert you to this fact and direct you to …

Sep 23, 2025 · A New Fourm of Expression San Francisco, CA – [September 23, 2025] – Sequential has announced the release of its most affordable, synthesizer to date. Fourm is a compact, 100% …