WMD SSF — DPLR

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WMD/SSF DPLR Official Manual (PDF)

Eurorack Sound Design with the WMD/SSF DPLR Dual Delay

The WMD/SSF DPLR is a rich stereo/dual delay module with several modulation points, unique XTALK (crosstalk) modes, and analog-style filtering. Here’s how you can use it to craft unique, hard-hitting, and atmospheric synth sounds.

General Modulation Points

• DELAY AMOUNT CV (DLY CV): Modulate delay time for pitch-shifting, tape-wobble, and glitch effects.
• SPREAD CV (SPRD CV): Modulate to create stereo movement or ping-pong delay effects.
• REGEN CV (RGN CV): Modulate feedback for recursive, evolving, or self-oscillating textures.
• Manual Controls: All main controls are also voltage-controllable and performable for real-time tweaks.

1. Distorted Percussive Sounds

Goal: Glitchy, crunchy, or broken delay tails suited for techno, IDM, or experimental percussion.

Tips:

-: - Crank the REGEN: Turn up feedback for intense repeats; automate with a stepped or envelope CV for build-ups or bursts. - Delay Amount: Modulate rapidly with an envelope triggered by your drum hit (cv from envelope follower or gate to envelope into DLY CV). This produces broken pitch jumps and unique decays. - Heavy Filtering: Hold MODE SELECT to toggle to the strongest filter slopes—this reduces delay brightness, emphasizing thump and crackle. - XTALK Modes: Step through cross talk (crosstalk; RED-RED for classic dual delay, BLUE for most chaotic bleed between channels). The higher the XTALK, the noisier and more affected each tap is by the other. - SPREAD Jumps: Punch Spread/B at specific intervals (even with a random voltage or S&H LFO) for polyrhythmic, offset delay taps.

Patch Example:

Drum Module --> DPLR IN
Envelope Follower from Drum --> DLY CV in
Short Envelope or Stepped S&H --> RGN CV in
Modulated LFO or S&H --> SPRD CV in
OUT A / OUT B --> Mixer/VCAs

2. Crazy Dubstep/Drum & Bass Basslines

Goal: Growling, resonant, or moving basslines with stereo interest and heavy feedback artifacts.

Tips:

• Feed Bass into Delay: Route a saturated bassline through DPLR; use OUT A/B for stereo width.
• REGEN for Roar: Push REGEN CV high for runaway feedback bursts—sync this via MIDI clock or LFO for predictable destruction.
• Delay Time Modulation: Fast, sharp LFO shapes or sequencer gates into DLY CV produce FM-style, robotic glitches or formant-like "vocal" movement. Try quantized S&H for stepped madness.
• Use SPREAD: Add panning motion or create offbeat echoes with modulating SPREAD. An envelope or fast, bipolar LFO works best.
• XTALK for Unpredictability: Use crosstalk modes above minimum for stereo chaos—great for building tension.
• Filter Settings: Dial in less filtering for more grit, or max filtering for dark, focused bass.

Patch Example:

VCO/Distorted Bass Synth --> DPLR IN
Fast LFO/Random CV --> DLY CV in
Clocked LFO --> SPRD CV in
Envelope/LFO --> RGN CV in
Try OUT B for the grittier, more modulated signal

3. Haunting Atmospheric Pads

Goal: Evolving, lush backgrounds with ghostly delay trails, perfect for ambient, cinematic, or horror genres.

Tips:

• Long Delay Times: Set DELAY AMOUNT high (towards 700ms). Modulate gently for subtle pitch/texture wobble.
• Gentle Feedback: Keep some REGEN for long, evolving repeats—but automate with a slow LFO to swell the feedback over time.
• XTALK for Texture: Moderate XTALK adds movement and spectral interest without muddying the pad.
• Heavy Filtering: Max filter for dark, ghostly echoes; lighter filter for shimmering, noisy repeats.
• SPREAD Automation: Slowly modulate SPREAD to move echoes across the stereo field, enhancing immersion.
• Amount Control: Mix dry and wet with modulation for movement within the pad soundscape.

Patch Example:

Pad/Waveshape VCO/Granular Source --> DPLR IN
Slow LFO/S&H --> DLY CV in
Long, slow LFO --> RGN CV in
Random LFO --> SPRD CV in
Cyclic pressing of MODE/XTALK for live transitions
OUT A and B --> Stereo output

Pro Patch Tricks

• Self-Oscillate: Maximize feedback (REGEN) and use a short impulse to "tune" the DPLR as a bizarre kick or snare drum sound source.
• Stereo Cross Patch: Use OUT A + OUT B for dual parallel processing—route one to reverb, one through additional effects for maximal texture.
• Live Knob Twiddling: Combine CV modulation with live tweaks for maximum chaos and performance feel.

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