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Mr. Black · Filter

FwonkBeta

9V · 59 mA · maker

FwonkBeta, 67.31 by 111.76 mm
Buy at SweetwaterFind it used on Reverb

Mr. Black FwonkBeta power requirements

  • 9V DC · centre negative · draws 59mA · needs a supply of at least 100mA

    digital · from the maker

    “9VDC 2.1mm negative center-pin power (>100mA regulated supply recommended) … ~59mA Current Draw @ 9VDC” source

    Checked 2026-10-13

Size

67.31 × 111.76 × 48.26 mm (2.65 × 4.40 × 1.90 in)

Width × depth × height, from the retailer listing.

Power supplies that can run it

Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.

  • Walrus Audio Canvas Power 1515 outputs · isolatedSweetwater
  • Rockboard ISO Power Block V1615 outputs · isolatedSweetwater
  • Fender Engine Room LVL1212 outputs · isolatedSweetwater
  • Rockboard ISO Power Block V12 IEC12 outputs · isolatedSweetwater
  • Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
  • Truetone 1 SPOT Pro CS1111 outputs · isolatedSweetwater

Plan a board with it

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