Schlappi Engineering 100 Grit Black

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Schlappi Engineering 100 Grit Black

Schlappi Engineering

100 Grit Black

4.6 Expert Rating

Product Info

Article Number: 535291
Model: 100 Grit Black
Price: $316.80

* Prices may vary. Check retailer for current pricing and availability.

The Schlappi 100 Grit Black is a seriously fun and characterful filter module. The OTA design and distortion stage provide a distinct, vintage-inspired edge, while the brass contacts open up a world of experimental patching. It’s perfect for sound designers and experimental musicians who want to add grit and unpredictable movement to their modular systems.

Product Description

  • Schlappi Engineering 100 Grit Black
  • Eurorack Module
  • Filter with VCA and distortion
  • Low-pass filter (24dB/oct.) with cutoff and resonance control
  • 2 FM inputs (FM1 with attenuator)
  • 2 Adjustable audio inputs with overdrive option
  • OTA-based VCA with gain control and CV input with attenuator
  • Distortion output stage with gain switch (x100)
  • 8 Brass contacts allow to connect different parts of the circuit by touching with fingers
  • cables or metal parts
  • All inputs are normalised to various circuit sections and allow feedback and self-modulation
  • Separate outputs for VCA and distortion stage
  • Current consumption: 55 mA (+12 V) / 70 mA (-12 V)
  • Width: 14 TE
  • Depth: 25 mm
  • Colour: Black
PROS
  • • OTA-based VCA delivers a unique, subtly gritty character, excellent for shaping sounds.
  • • Brass contact points offer truly experimental patching possibilities for unique textures.
  • • Normalization scheme encourages creative feedback loops and self-modulation experimentation.
  • • Separate VCA and distortion outputs allow for nuanced signal chain shaping and layering.
CONS
  • • 14 TE width can be restrictive in smaller Eurorack cases; consider space carefully.
  • • Distortion stage can quickly become overwhelming; requires careful gain staging.
  • • The OTA design, while characterful, can introduce some noise if not carefully managed.

Product Video

Key Features

Filter Type 24dB/oct Low-Pass
Modes Normalization and feedback patching via brass contacts
HP Width Not specified, typical OTA filter response
Depth 25 mm
Power Draw 55 mA (+12 V) / 70 mA (-12 V)
CV Inputs Cutoff, Resonance, VCA Gain, and FM1 Attenuator

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Frequently Asked Questions

Brass contact patching creates a more immediate, sometimes unpredictable connection, often introducing subtle oscillations or feedback that's difficult to replicate with cables.
It’s versatile; at lower settings, it adds warmth and saturation, but can quickly ramp up to a very aggressive, almost broken sound with higher gain settings.
Normalization allows signals to automatically route between sections, creating feedback loops and self-modulation – expect evolving textures, resonant sweeps, and unpredictable rhythmic patterns.

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