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Schlappi Engineering Boundary Layer Black

5.0 out of 5 stars from 1 customer ratings ()

Eurorack Module

  • 3-channel function generator and modulation source
  • Application options: AD or ASR envelope, LFO, oscillator, frequency divider, wave shaper, envelope follower, VCA and more
  • Per channel, controls for attack and decay time (rise/fall) and adjustable characteristic curve (logarithmic to exponential)
  • CV input with polarity switch for both time segments
  • Switchable cycle mode
  • Per channel inputs for trigger, slew, CV, bound (threshold)
  • Common inputs for trigger, CV and slew
  • Signal output and EOC trigger output (end of cycle) per channel
  • Outputs for maximum, average and minimum values of all three channels
  • Colour: Black
  • Power consumption: 170 mA (+12 V) / 100 mA (-12 V)
  • Width: 16 HP
  • Depth: 52 mm
  • Available since July 2025
  • Item number 620087
  • Sales Unit 1 piece(s)
  • Width 18 TE / HP
1.212,67 AED 293,28 €
The prices shown exclude VAT
The price in AED is a guideline price only
Since we ship from Germany, additional costs through taxes and customs may be incurred
In stock
1

1 Customer ratings

5 / 5

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1 Review

w
I have two of these in two cases
wintoid 26.09.2026
I've been bitten by the Schlappi bug. I really like how they build their modules. The pots are the highest quality feel of anything in my cases.

I originally got a boundary layer quite early in my eurorack journey, and I was considering Maths instead. In the end, I'm really glad I went with boundary layer. So much so that I ended up buying a second one for another case. I do also have the regular boundary, and would be less likely to purchase that again, because I'd rather have a boundary layer and a Happy Nerding 3xVCA (great combo!).

Anyway, highly recommended and an absolutely core part of my euroracks.
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