Mutated Veiled v2 0402 SMD part populated pcb

£19.99 (exc VAT)

Github – BOM, etc

It seems there is an issue with the pcb files from the Github, C22 & C23 are not connected to ground.

This can be fixed with a carefully positioned solder bridge between C22+C24 and C23+C25 (see pic for details)

The pcb doesn’t have holes for the panel stand-offs so you will either need to drill holes or just glue plastic stand-offs to the pcb (they fit very snugly between the tall trimmer pots so it’s pretty sturdy.

This listing is for a part populated pcb with all 0402 components pre soldered.

SMD components that still need to be soldered:

Veils, v11.0
Index Qty Description Specs Value Package Ref. Mouser References
SMT parts
L1, L2 2 EMI Filter Bead >= 1k ohm, 300mA 0603 710-742792664 Würth Electronics 742792664
P1 1 Resettable fuse >= 15V > 0.1A 1206 576-1206L035/16YR Littelfuse 1206L035/16YR
IC1 1 LM4040 Shunt Vref C Grade, 0.5% 2.5V SOT23 595-LM4040C25IDBZR Texas Instruments LM4040C25IDBZR
IC2, IC3, IC6, IC7 4 OPA1679 Quad op-amp TSSOP14 595-OPA1679IPWR Texas instruments OPA1679IPWR
IC4, IC5 2 V2164 Quad VCA SOIC16 V2164M
IC8 1 LM4040 Shunt Vref C Grade, 0.5% 10V SOT23 595-LM4040C10IDBZR Texas Instruments LM4040C10IDBZR


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The cornerstones of modular patches

VCAs are absolutely essential in a modular system, for example for:

  • Shaping the amplitude or timbre of a tone with an envelope.
  • Animating a mixture of several oscillators.
  • Controlling the amount of filter modulation with a random source or a touch controller.
  • Applying an envelope on the linear FM signal hitting an oscillator.

An updated classic

  • More compact footprint (10-HP), with sliders instead of knobs for the main gain/CV control.
  • Gain indicator LED.
  • Positive offset control (0 to 8V) for direct use of bipolar modulation sources.


  • All inputs DC-coupled.
  • All inputs handle audio-rate signals.
  • Input impedance: 100k for all inputs.
  • Gain scale: a +5V CV translates to a gain of 1 (0dB), both in linear and in exponential mode.
  • Large gains above +20dB (sufficient for amplifying line-level signals) achievable in exponential mode.
  • Offset control adding an adjustable voltage from 0 to 8V to the gain CV.Original hardware design by:
  • Emilie GilletHardware: cc-by-sa-3.0

Additional information

Weight 50 g
Dimensions 107 × 60 × 2 mm

Synthesiser parts/components

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