Schlappi Engineering Boundary Black

Eurorack Module

Image Schlappi Engineering Boundary Black

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Latest User Reviews

1 year ago

Nice combination of function generator and VCA

I like this module so much that I own 2 of them. In essence it is a function generator combined with a VCA. I primarily use it for running audio through, using it as an envelope and VCA. However, like must function generators it can be used for other purposes such as an LFO, Ring Mod etc. Unlike other function generators that I have used is does have a nice long decay time unpatched: there is no need for an external CV source to increase its decay time. It is a really well built and sturdy module.

Technical Data

  • Manufactured by Schlappi Engineering
  • Released in 2022
  • Average price : $260
  • Flexible function generator with VCA
  • Possible applications: AD or ASR envelope, LFO, oscillator, frequency divider, wave shaper, envelope follower, ring modulator, VCA and more
  • Attack and decay time (rise / fall) separately adjustable and each controllable via CV input
  • Adjustable characteristic curve for rise and fall segment
  • Switchable cycle mode
  • VCA / four-quadrant multiplier with adjustable bias and CV input with attenuator
  • Rectify input (rectifier)
  • Bound input for generating "bouncing ball" envelopes
  • Inputs for trigger, slew, rise CV and fall CV
  • EOR and signal output for function generator
  • Signal input/output and 2 CV inputs for VCA section
  • Current consumption: 112 mA (+12 V) / 59 mA (-12 V)
  • Width: 12 TE
  • Depth: 25 mm
  • Colour: Black
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