BB Preamp

Xotic Effects BB Preamp power requirements

• 9V DC · centre negative · draws 15mA

  the voltage it ships for · also runs on a 9V battery · from the maker

  “dc jack 2.1 mm x 5.5mm 9vdc to 18vdc -negative center … power consumption: 9VDC/15mA (max)” source

  Checked 2026-10-13

• 18V DC · centre negative · current not published

  also runs on a 9V battery · from the maker

  “dc jack 2.1 mm x 5.5mm 9vdc to 18vdc -negative center … ac adapter (optional): 9VDC-18VDC negative tips (Regulated recommended)” source

  Checked 2026-10-13

Size

60.45 × 111.51 × 50.29 mm (2.38 × 4.39 × 1.98 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