Schlappi Engineering BTFLD

Professional music gear - detailed information and where to buy

Schlappi Engineering BTFLD

Schlappi Engineering

BTFLD

4.9 Expert Rating

Product Info

Article Number: 603047
Model: BTFLD
Price: $273.90

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

The BTFLD is a quirky little module that’s all about adding character. It’s a fantastic tool for sound designers and experimental musicians looking for unique distortion and rhythmic textures beyond the usual suspects – think glitchy percussion or really weird, evolving bass tones. It's a niche but potent addition to any modular setup.

Product Description

  • Schlappi Engineering BTFLD
  • Eurorack Module
  • Distortion
  • wave folder and asynchronous 4-bit analogue-digital converter
  • 6 Outputs
  • Wave folding circuit
  • Switched range for bipolar audio signals or unipolar modulation signals
  • Acts as a distorter/wave folder or a rhythm generator
  • depending on the input
  • 4-Bit binary output with interfaces to other logic modules
  • LED display for each input and output
  • Width: 6 HP
PROS
  • • Unique 4-bit digital conversion creates gritty, unpredictable textures.
  • • Wave folding circuit delivers complex harmonic distortion and character.
  • • Flexible switched range expands utility for both audio and modulation.
  • • Compact 6HP footprint maximizes space in dense modular racks.
CONS
  • • Limited input range may require attenuation for strong signals.
  • • 4-bit output can be noisy, requiring careful gain staging.
  • • Specialized functionality restricts broader, general-purpose use.

Product Video

Key Features

Type Waveshaper/Distortion/Rhythm Generator
Controls Input Level, Wave Fold Amount, Signal Range Switch (Bipolar/Unipolar)
HP Width 6
Depth Standard Eurorack Depth
Power Draw Approximately +12V: 20mA, -12V: 10mA
CV Inputs None directly, but outputs are suitable for CV modulation of other modules

Similar Products

Ibanez GRGR221PA-AQB Bundle - ST Style Guitars

Ibanez GRGR221PA-AQB Bundle

ST Style Guitars

$325
5 Expert Rating
NANO Modules ST-OUT - Interface Modules

NANO Modules ST-OUT

Interface Modules

$149
Eurorack Module, Stereo output module for Eurorack systems, Switchable drive level (soft / hard),...
4.8 Expert Rating
Ampeg RB-112 Bundle - Solid-State Bass Combos

Ampeg RB-112 Bundle

Solid-State Bass Combos

$596
4.6 Expert Rating
Thomann Home Studio Bundle - Studio Packages

Thomann Home Studio Bundle

Studio Packages

$164
4.8 Expert Rating
Shakmat Modular Bishop's Miscellenay MK2 - Trigger, CV Sequencer

Shakmat Modular Bishop's Miscellenay MK2

Trigger, CV Sequencer

$439
Shakmat Modular Bishop's Miscellenay MK2, Eurorack Module, Dual Step CV/Gate Recorder, consisting of a sequence...
4.6 Expert Rating
Line6 Pod GO Bundle - Guitar Multi Effects

Line6 Pod GO Bundle

Guitar Multi Effects

$614
4.6 Expert Rating
Behringer WING Compact Flyht Pro Bundle - Digital Mixers

Behringer WING Compact Flyht Pro Bundle

Digital Mixers

$2,748
4.8 Expert Rating
Casio AP-750 WE Celviano Set - General Digital Pianos

Casio AP-750 WE Celviano Set

General Digital Pianos

$2,232
4.8 Expert Rating

Frequently Asked Questions

The asynchronous nature introduces subtle timing variations, creating a slightly unstable and unpredictable character that's key to its unique sound – it's not a clean digital process.
Yes, the switch allows for bipolar signal folding, creating rich harmonic content. However, its real strength lies in the combination of wave folding and the 4-bit conversion.
Given its specialized function, the small size is actually a huge advantage. It’s perfect for adding a bit of grit without taking up a ton of rack space, but it does mean you'll need to plan your signal flow carefully.

We use cookies to improve your experience. Learn more