Badwater Bass Pre-amp and D.I.

Walrus Audio Badwater Bass Pre-amp and D.I. power requirements

• 9V DC · centre negative · needs a supply of at least 300mA

  from the maker

  “Power requirements are 9VDC, center negative (300mA minimum).” source

  Checked 2026-10-13

Size

121.67 × 91.95 × 57.15 mm (4.79 × 3.62 × 2.25 in)

Width × depth × height, from the manufacturer.

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