Choka Tremolo

TC Electronic Choka Tremolo power requirements

• 9V DC · centre negative · draws 10mA · needs a supply of at least 100mA

  also runs on a 9V battery · from the maker

  “Power input Standard 9 V DC, center negative, >100 mA … Battery option Internal 9 V battery connector … Current consumption 10 mA” source

  Checked 2026-10-14

Size

74 × 132 × 58 mm (2.91 × 5.20 × 2.28 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