Bass OD Mk. II

Mr. Black Bass OD Mk. II power requirements

• 9V DC · centre negative · draws 27mA

  also runs on a 9V battery · from the maker

  “9VDC power (2.1mm negative center pin adapter) or internal 9V battery – DO NOT RUN THIS PEDAL OVER 9VDC! YOU WILL DESTROY IT!! … Current draw: ~27mA” source

  Checked 2026-10-13

Size

67.31 × 113.03 × 46.99 mm (2.65 × 4.45 × 1.85 in)

Width × depth × height, from the enclosure standard.

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