nekyia-circuits-wand

Nekyia Circuits Wand

Voltage processor

4 HP Eurorack module

Wand is a Buchla 257-based voltage processor combining a voltage-controlled crossfader with a level VCA, an attenuverter and a bipolar offset generator. Their summed output processes audio and control signals.

Features

  • Crossfader blends α Input and β Input, with +/-5 V control through Crossfader CV Input.
  • γ Attenuverter adjusts the level and polarity of γ Input.
  • Offset adds a bipolar voltage with a PCB jumper selecting a +/-5 V or +/-10 V range. Offset Amount indicates the bipolar offset amount.
  • VCA CV Input accepts 0-10 V to control the crossfader section's level.
  • Sum Output combines the crossfader, attenuverter and offset sections for audio or control-voltage processing.
  • Remember: Disconnect system power before installation. Check ribbon-cable polarity, aligning the red stripe with -12 V at both the module's white bold line and the bus board.

Controls & Jacks (10)

  • Offset— Sets the bipolar DC offset added to the summed output; the range is configured as ±5 V or ±10 V by a PCB jumper.
  • Crossfader CV Input— ±5 V control-voltage input controlling the crossfade between α and β; also supports the documented linear-VCA and Boolean-logic patches.
  • Sum Output— Outputs the sum of the VCA-controlled crossfader signal, attenuverted γ signal, and bipolar offset.
  • α Input— First audio or control-voltage signal input to the crossfader.
  • β Input— Second audio or control-voltage signal input to the crossfader.
  • γ Attenuverter— Attenuates and inverts the γ input signal before it is added to the summed output.
  • Offset Amount— Separate LED indicating the bipolar offset amount.
  • γ Input— Audio or control-voltage input processed by the γ attenuverter and added to the summed output.
  • Crossfader— Crossfades between the α and β inputs. With a signal patched to β and this control fully counterclockwise, the crossfader CV input provides
  • VCA CV Input— 0–10 V control-voltage input controlling the level of the crossfader section.

How-To Guides

  • Set up linear and dual VCA operation
  • Patch a crossfader with level control
  • Mix three audio or CV signals
  • Add controlled randomness to a sequence
  • Mix and accent trigger sequences
  • Patch Boolean AND logic
  • Patch Boolean OR logic

Explore the interactive Wand panel on BleepDex — tap any control to learn what it does.

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