How to Recreate Cassian's Melodic Techno Bass in Ableton Live 2026

Cassian's bass sound sits at the exact crossroads of melodic techno and peak-time club music, a mid-forward, slightly distorted wavetable bass with a slow-moving filter that breathes against the kick, sitting deep in the mix but never disappearing into it. The defining choices are wavetable morphing, careful saturation, and a pumping sidechain that gives the whole groove its forward momentum.

Step 1: Building the Wavetable Bass in Ableton's Wavetable

Cassian's bass is not a simple sine sub. It has harmonic texture in the 200–800 Hz range that gives it presence on smaller systems without needing the low-end pushed to the point of muddiness. Start with Ableton's native Wavetable instrument, it handles this character better than a straight analog emulation for this style.

• Oscillator 1: Load a wavetable from the "Analog" or "Saturated" category. A single-cycle that starts close to a sawtooth but has slight even-harmonic colouring works well. Position the wavetable position at roughly 30–40%, enough grit, not full aggression.
• Oscillator 2: Add a second oscillator using a sine or triangle wave, tuned down one octave. Set its level 4–6 dB lower than Oscillator 1. This is your sub anchor.
• Unison: Off on both oscillators. This bass needs to be tight and mono-compatible from the start.
• Amp envelope: Attack 0 ms, Decay 400–600 ms, Sustain 60–70%, Release 200 ms. Shorter decays tighten the groove; longer decays open the sound into longer phrases.
• Pitch envelope: Add a very fast pitch drop on Oscillator 1, about +8 semitones at the start, dropping to 0 in 30 ms. This gives the bass that punchy transient click Cassian's low-end is known for.

The key, and it matters, is to keep the oscillator mix in mono at this stage. Route both oscillators through a single Filter block before any stereo width gets added.

Step 2: The Filter Movement That Defines the Groove

The filter is doing as much work as the oscillator choice in this sound. Cassian's melodic techno bass has a subtle, breathing quality that comes from slow filter automation rather than a fixed cutoff. This is not a screaming acid filter, it's a slow, purposeful opening.

• Filter type: 24 dB Ladder-style low-pass (in Wavetable, use the "MS2" or "SMP" filter circuit).
• Cutoff: Set the base cutoff between 400 Hz and 600 Hz. This is lower than instinct suggests, the wavetable harmonics already push energy upward.
• Resonance: 25–35%. Enough to give the filter a personality without honking.
• Filter envelope amount: +40 to +55%. The envelope opens the filter on each note hit.
• Filter envelope: Attack 0 ms, Decay 250–350 ms, Sustain 20–30%, Release 150 ms.
• LFO modulation on cutoff: Sync LFO to host, set to 8 bars, sine wave, depth +8–12%. This is the long, slow breathing movement that makes the sound feel alive across an extended phrase.

For additional movement, draw slow filter automation in the Ableton arrangement, push the cutoff up 200 Hz into a build, let it drop back for the groove sections. This is something Cassian does over full 16 or 32-bar cycles, not bar-by-bar.

Step 3: Saturation, Distortion and Harmonic Shaping

The raw Wavetable output is clean enough to feel digital and thin in a mix. The saturation stage is what gives the bass weight and that mid-range presence that cuts through on a club system. This is a layered process, not a single plugin hit.

1. Ableton Saturator (first stage): Set to "Soft Sine" curve. Drive at +6–8 dB. Output level compensated back down. This adds even harmonics gently without obvious clipping.
2. Ableton Redux (optional texture): Bit depth at 16–18 bits, sample rate at 100%. Very subtle, adds a tiny crunch to the top of the harmonics without obvious degradation.
3. EQ Eight, after saturation:
   • High-pass at 35 Hz, 12 dB/oct, clean up the deep sub rumble that the pitch envelope introduces.
   • Low shelf boost: +2 dB at 80 Hz, bring sub presence back in a controlled way.
   • Dip at 300–350 Hz: -2 to -3 dB, Q of 1.8, reduce the boxiness that heavy saturation creates.
   • Boost at 900 Hz–1 kHz: +2 dB, Q of 2.0, this is the presence range that makes the bass readable on smaller speakers.
   • High shelf cut: -3 dB from 5 kHz, roll off the digital fizz from saturation.

If you want to explore pre-built Serum patches built for this frequency balance, the best melodic techno Serum presets for 2026 breaks down which preset types to look for and how to tweak them into a Cassian-adjacent character.

Step 4: Mixing and Processing

Getting the bass to sit in the mix is where most producers lose time. The instruments themselves can be dialled in correctly but still fight the kick if the sidechain and stereo routing aren't sorted. Here's the signal chain that works for this style.

Mono Bass Architecture

Below 200 Hz, this bass must be mono. In Ableton, insert a Utility device after all processing and set Width to 0%, but only on a return or a rack chain that handles the sub frequencies. The harmonics above 200 Hz can live in stereo, but the sub cannot if you want the track to translate to a club system. The reasoning behind this is covered in detail in mono sub bass and stereo harmonics: the club physics trick techno producers use.

Sidechain Compression

Sidechain is non-negotiable for this groove. Cassian's bass pumps against the kick, not aggressively like classic EDM pumping, but with purpose.

For a deeper look at how sidechain compression can be applied beyond just the bass, sidechain compression beyond the bass: a techno producer's complete guide is the most thorough breakdown available for this genre context.

Final Channel Settings

• Channel level: -6 to -8 dBFS peak before the master. Leave headroom for the kick to dominate.
• Panning: Centre. Bass never moves from centre in this style.
• Reverb send: A small room (0.6–0.8 s decay), send level -18 to -20 dB. Just enough to make the bass feel like it's in a space rather than floating in isolation.
• Master target: -14 LUFS integrated for streaming, -6 to -8 LUFS short-term peak for DJ stems.

Step 5: The Finishing Touches

The bass sound alone won't carry the track to a Cassian-level finish. These final details lift the production from functional to polished.

• Melodic movement: Cassian's bass lines are rarely static. Write MIDI phrases that move across a minor pentatonic or Dorian pattern, typical keys are A minor, D minor, or F minor at 128–132 BPM. Short two-bar phrases that repeat and shift by a third or fifth across the arrangement are characteristic.
• Portamento: In Wavetable, add 20–30 ms of glide (Poly mode off, set to Mono). Slides between notes add the smooth legato movement that defines the melodic techno bass style.
• Automation variation: Automate the Saturator drive level, bring it up 2–3 dB going into the drop, back down in the groove. This dynamically changes the harmonic density without touching the volume fader.
• Parallel processing: Duplicate the bass channel. On the duplicate, high-pass at 400 Hz, compress hard (8:1, fast attack, fast release), saturate heavily. Blend this back in at -12 to -14 dB. This "harmonic parallel" layer adds attack and presence without touching the main channel's low-end balance.
• Spectrum check: Use Ableton's Spectrum device to confirm energy is concentrated between 60–120 Hz (sub) and 300–1200 Hz (body). Anything above 3 kHz from the bass itself should be minimal, that's space for the synth elements in this style.

If you are building this track around a vocal, even a minimal one, and you need something that sits in the Cassian melodic techno space without clearing a sample, ChamberVox generates original vocals from a text prompt directly in your DAW as a VST3/AU plugin. Type a prompt, get a vocal, drag it into Ableton. No sample clearance, no licensing grey areas.

The Weapon Sounds Kit for This Sound

• ChamberVox, Generate a custom melodic techno vocal hook directly in Ableton from a text prompt. Type the mood and phrasing you want, render the result, and layer it over the bass. Essential if you want the full Cassian-style record rather than just the instrumental.
• Echo Chamber, Weapon Sounds' dark tech house suite. Use the drum loops as the rhythmic foundation under your bass, the kick samples here are tuned for exactly the sidechain relationship described in Step 4. The Serum presets in the pack also give you a starting point for the wavetable selection in Step 1.
• Serum Presets Collection, If you're working in Serum rather than Wavetable, pull a melodic techno bass preset from this collection as your starting oscillator shape, then apply the filter movement, saturation chain and sidechain routing from Steps 2–4 on top.

Last reviewed: 2026-10-30 by the Weapon Sounds team.