TU-3W Chromatic Tuner Waza Craft

Boss TU-3W Chromatic Tuner Waza Craft power requirements

• 9V DC · polarity not stated · draws 110mA

  also runs on a 9V battery · from the maker

  “Power Supply Alkaline battery (9V, 6F22) or Carbon-zinc battery (9V, 6LR61) AC adaptor (sold separately) … DC IN jack DC OUT jack Current Draw 50 mA (DC 9 V) 110 mA (DC 9 V, when High Brightness mode is on)” source

  Checked 2026-10-14

Size

73 × 129 × 59 mm (2.87 × 5.08 × 2.32 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
• Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
• Truetone 1 SPOT Pro CS1212 outputs · isolatedSweetwater
• MXR M238 ISO-Brick10 outputs · isolatedSweetwater
• Strymon Zuma9 outputs · isolatedSweetwater
• Voodoo Lab Pedal Power 38 outputs · isolatedSweetwater