How to Make Melodic Techno Bass in u-he Diva

A melodic techno bass has two jobs: it has to push the groove under the kick and still carry a bit of the melody. Get the balance wrong and it either sounds like a dull sub or a lead that fights everything above it. Here's how I build melodic techno bass in u-he Diva from an empty patch, two versions with the exact modules and settings, plus the mix moves that make it sit with the kick.

What makes a melodic techno bass work

Before touching Diva, it helps to know what you're aiming for:

• A clean, steady low end. The fundamental (roughly 40 to 80 Hz for most bass notes) should be solid and mono.
• Harmonics you can hear on small speakers. The movement lives in the low mids, around 150 to 600 Hz. That's where the filter envelope does its work.
• Short, controlled notes. Most melodic techno basses leave space for the kick. A rolling 16th bass that avoids the kick, or long notes that are ducked by it.
• Slow evolution. The patch changes over 8 or 16 bars through filter automation or a slow LFO, so the groove doesn't get boring.

Patch 1: a rolling melodic techno bass in u-he Diva

This is the classic driving bass: 16th notes between the kicks, a short filter pluck on every note, and accents from velocity.

Step 1: start clean and pick Triple VCO

Load an init patch (the template folder in Diva's Local presets is a good starting point) and choose Triple VCO as the oscillator. It's the heaviest model on CPU, but for a mono bass that only plays one voice, it doesn't matter, and it has the weight you want. If you're unsure why, I compare all five in Diva oscillator models explained.

Step 2: set up the three oscillators

• Osc 1: sawtooth at 16'.
• Osc 2: sawtooth at 16', with the Detune knob moved just slightly off centre. You want a slow beating, not a chorus.
• Osc 3: square or triangle at 32', one octave below, a little lower in the mixer. This is your weight.
• Noise: off.
• Feedback: a small amount. The manual describes it as a subtle bass boost, and on a bass that's exactly what it does.

Play your riff in the octave where the lowest notes sit around 40 to 80 Hz. If it sounds boomy, lower Osc 3 before you touch any EQ.

Step 3: make every note start the same

Open the Trimmers panel and set Transient Mode to osc reset. By default Diva resets nothing when a note starts, like an old analogue synth, so each bass note has a slightly different attack. That's nice on pads and bad on a bass that has to punch the same way every 16th. With osc reset, the Reset Phase knobs decide where each oscillator starts.

While you're there, keep Voice Drift and Detune Amt low. The manual itself says to keep them low for good tuning.

Step 4: mono mode, no glide

Set the voice Mode to mono so the envelopes retrigger on every note. Leave Glide at zero for this patch. Stack stays at 1: a bass doesn't need unison.

Step 5: filter and filter envelope

Choose the Ladder filter in 24 dB mode. Bring the cutoff down until the bass sounds almost muffled, then set a small amount of resonance, just enough to give the pluck a little voice. Turn up key follow partway so higher notes in your riff don't sound duller than the low ones.

Now use Envelope 2 on the cutoff (it's one of the default modulation sources next to the cutoff knob):

• Attack: zero.
• Decay: short, so each note opens and closes quickly. This is the "pluck".
• Sustain: zero or very low.
• Release: short.

Raise the envelope amount on the cutoff until you hear a clear "dow" on every note. Decay length is the main character control: shorter is tighter and more techno, longer gets rubbery and more progressive.

Step 6: amp envelope and velocity

Envelope 1 drives the amplifier. Attack at zero, sustain up, release short, so notes don't overlap and blur the low end. Then raise VEL on Envelope 2, which scales the envelope by MIDI velocity. Program your 16ths with a few louder notes and those accents now open the filter further. That alone makes a static riff groove.

Step 7: slow movement

Either automate the cutoff over 16 bars in your DAW, or put a very slow LFO on the second cutoff modulation slot. I prefer automation for arrangement moves (a filter that opens into the drop) and an LFO for constant subtle life.

Step 8: effects off

Keep Diva's chorus, delay and reverb off on this patch. A stereo chorus on the low end is the quickest way to lose power in mono on a club system.

Patch 2: a deep, sustained bass for breakdowns

For breakdowns, progressive builds and slower melodic sections, I want longer notes that slide and breathe. Different module choices:

1. Oscillator: DCO. Turn on the sawtooth and add the sub oscillator one octave down. The sub waveforms are all pulse based, and the top four options sit one octave below. DCO is very stable in pitch, which helps long notes stay in tune against pads.
2. Filter: Cascade. The manual describes it as a cleaner filter than Ladder. Set the cutoff low and a bit of resonance.
3. Mode: legato, with Glide. In legato, overlapping notes glide without retriggering. Set Glide low and GlideMode to time, so every slide takes the same time whatever the interval.
4. Envelope 2: slower decay and some sustain, so the filter opens on the first note of a phrase and stays slightly open.
5. Movement: a slow LFO on cutoff, or automation that opens the bass over the breakdown.

Want a darker variation? Swap the filter to Uhbie and move the LP/HP MIX a touch away from full low pass. You keep the body but take out some mud. If you like that filter, the StackIndex dual filter trick shows another way to use it on pads and leads.

Making the bass sit with the kick

• Arrange around the kick first. For rolling basses, leave the kick step empty in your MIDI. It's the cleanest sidechain there is.
• Sidechain or volume shaping for long notes: a fast duck of a few dB, released before the next 16th.
• Mono below about 100 Hz. Even with effects off, check the bass in mono on the master.
• Saturation after Diva to bring out harmonics on small speakers, then a low pass after the saturator if it gets fizzy.
• Don't solo judge. A bass that sounds thin solo often sounds perfect with the kick and pads playing.

More on arranging groove and energy around the kick in my techno production tips from Berlin and in how rhythmic modulation shapes energy.

Common mistakes

Too much detune

Detuned saws sound huge solo, but in the low end they phase against each other and the bass loses punch every few beats. Keep Osc 2 very close to Osc 1, or detune only an oscillator that's an octave up.

Resonance that eats the low end

High resonance on a ladder style filter often makes the bottom feel thinner. If the pluck needs more bite, use more envelope amount instead of more resonance.

Long release on a rolling bass

Overlapping tails blur the 16ths and fight the kick. Short release, always.

Judging the patch on draft accuracy

Resonance sounds primitive on draft. Design on great, and set OfflineAcc to best for the bounce. The Diva CPU guide explains both settings.

Questions producers ask

Which Diva oscillator is best for melodic techno bass?

Triple VCO for fat, driving mono basses and DCO with the sub oscillator for cleaner, stable basses. Both are great, it depends on how much grit you want.

Should the bass be mono?

The low end, yes. Keep everything below roughly 100 Hz mono. If you want width, add it on a separate higher layer.

Do I need a separate sub bass under Diva?

Not usually. A Triple VCO oscillator at 32' or the DCO sub gives you enough weight. Some producers still layer a clean sine for full control, which is fine as long as only one layer owns the lowest octave.

Mono or legato mode for bass?

Mono for rolling, plucky basses where every note should retrigger the envelopes. Legato for sliding, sustained lines.

Build both patches once and you'll understand most melodic techno basses you hear. If you want finished starting points, the free Glow Diva presets include basses to take apart, and the Complete u-he Diva Preset Bundle covers deep melodic techno and house basslines across five packs.