By the end: one melodic bass line carried by three dedicated layers — sub weight, body, and presence, each balanced independently — with the crossover discipline and mono rules that keep the stack club-safe instead of letting it cancel itself.
Your melodic basslines are one oscillator doing three jobs, and doing none of them at club level: the sub is thin, the body has no note to it, the top disappears on a phone. This is the Bodzin construction: a single melodic line across three octaves, built as separate layers you can balance — the bass that carries whole sections by itself.
Step 1
The stack plays a single melodic bass line — the same notes, three layers, three octaves. You’re not writing three parts; you’re giving one part a full frequency body. Program the line once and let the layers carry it.
Step 2
The sub oscillator is a triangle at 0 — unshifted, playing the written root. Clean, centered, phase-locked. This layer follows the low-end law with no exceptions: it is never distorted and never widened. Saturation on the bottom layer doesn’t add aggression; it deletes weight.
Step 3
The main oscillator is a saw pitched +7 semitones — a fifth above the root. That’s the Bodzin interval: the body of the stack harmonizes against its own sub, which is why the line reads as an instrument instead of a sine with harmonics.
Step 4
Push the oscillator up another octave for the third layer: presence — the part of the bass a phone speaker and a cheap earbud can actually reproduce. Three layers, three octaves, three jobs.
Step 5
One job per band. The upper layers do not get to live in the bottom: strip their lows — high-pass them, or filter per-oscillator, a warp highpass on the top layer against a warp lowpass keeping the bass layer’s meat, with the warp amount smoothing the joins — so that below the mono point, only the sub layer is playing. Layers that overlap full-range don’t stack; they cancel, swell, and fight in exactly the band the club system sums.
Step 6
Everything below ~120 Hz stays dead-center mono — that’s Law 4 of the low end, and the stack is where it’s easiest to break by accident. Width lives in the upper layers: that’s where the fine detune goes (the recipe’s variation knob — more fine detune, up top), along with automatable resonance. The bottom layer gets neither. Check the stack summed to mono: if the weight drops, a top layer is leaking into the sub’s band — go back to step 5.
Step 7
One 24 dB-slope lowpass over the stack — the steep slope cuts the highs harder, and that reads as warmth. Then automate the cutoff at section transitions: in this construction, filter movement is the arrangement interest. A static cutoff parks all three layers at one tone, and the stack goes as dead as any other static patch.
Step 8
Slower attack, more sustain to volume, longer decay — dynamic, not plucky. This voice carries sections; it isn’t the rolling offbeat patch. Recipe variations, same technique: more fine detune in the top layer, resonance on an automation lane, or swap the saw for a square.
Check your work
It works wherever the bass has to be the lead voice — breakdowns, melodic tech house and techno sections, anywhere the anonymous offbeat roll isn’t enough and the bass needs to sing without giving up the floor. The failure: building all three layers full-range and loud, then wondering why the “stack” is quieter than one oscillator. Undisciplined layers cancel in the lows, the sub gets company it’s not supposed to have, and mono summing eats the rest. The stack’s power is separation: three narrow jobs, one line. Second failure: distorting the bottom layer for “weight” — weight is what the clean triangle already is.
This page teaches one construction. The discipline underneath it — one job per band, the sub phase-locked and untouched, width living up top, the filter envelope as a headline parameter — is the parameter layer, and it’s Chapter 05B of the Handbook: the chapter that explains the machinery every recipe in this section runs on. The book is the tie-in below.
Go deeper
The complete visual guide to tech house production — 69 pages, built to be looked at, not just read. Chapter 05 is free if you want to see the standard first.
How-To · Next
The stack obeys the five laws by construction — run the diagnostic on the rest of your bass work.
Read the how-toHow-To · Related
The two-layer contrast: sub plus top, built for the offbeat roll instead of the melodic carry.
Read the how-toStay in the loop
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