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The Sequential Fourm is a compact, expressive analog synthesiser designed to Inspire. With its iconic Sequential tone, hands-on modulation, and a uniquely responsive Tactive keybed, Fourm is a creative partner that brings your musical ideas to life.
Built on the legendary Prophet-5 voice architecture, it has four true analog voices with the unmistakable warmth and punch that defined a generation. Dual oscillators with simultaneous wave selection and a classic 4-pole low-pass filter (now with bass compensation) ensure that every note hits harder than the last.
Fourm’s Tactive 37-note slim-key keyboard features polyphonic aftertouch, unlocking expressive techniques like guitar-style note bends, solo voice swells, and other nuanced articulations—completely transforming the experience of playing a modern Sequential polysynth.
Features
- The Tactive 37-note slim-key keyboard with polyphonic aftertouch
- Warm and organic, 100% analog signal path
- Intuitive, welcoming knob-per-function layout
- Pro~One style top-panel modulation matrix
- Prophet-lineage resonant filter with bass compensation
- Arpeggiator with sequencer mode
- 128 world-class presets
- Pro-quality, all-steel chassis
Video: https://youtu.be/vMyuN-vp_nI
Product Specs
- Item Number: 39506
- Make: Sequential
- Model: Fourm
- Condition: Brand New
- Finish: Black
- Categories: keyboards-and-synths ⇒ analog-synths
- Made In: United States
- MPN: SEQ-3900