Modular techno is a branch of techno centered on composing and performing primarily with modular synthesizers (most commonly Eurorack). Rather than arranging in a DAW, artists patch oscillators, filters, sequencers, clock dividers and utility modules into evolving signal chains, then sculpt rhythm and timbre in real time.
The approach privileges improvisation, polyrhythms, and continuously shifting textures over fixed song structures. Early, visible champions included UK/Wales-based artist Steevio—who explicitly framed his 2012 release as "Modular Techno" and recorded it live in single takes—followed by a broader wave of adopters in the mid‑to‑late 2010s as modular systems spread across European techno scenes.
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Master clock → dividers feed: a) kick sequencer (straight 4/4 or polymetric), b) bassline sequencer (odd step length for phase play), c) hats/percussion (Euclidean fills). 125–140 BPM is common.
•Kick: sine/triangle VCO → fast envelope → VCA, plus pitch envelope for thump; optionally parallel distortion.
•Bass: second VCO → VCF (mod frequency and resonance subtly) → VCA. Use probability/gates to drop notes and create negative space.
•Hats/perc: noise → VCA with short envelopes; add band‑pass filtering, FM pings or resonant filter self‑oscillation for metallic hits.
•Movement: route clocked random or S&H to filter cutoff, wavefolder amount, decay times; use logic (AND/OR/XOR) to combine triggers for emergent grooves.
•Mix & dynamics: patch a side‑chain envelope (or VCA ducking) from the kick to glue the groove; keep headroom for live gain‑riding.