Electro-Harmonix · Utility
STRING9
9.6V · 100 mA · maker
Electro-Harmonix STRING9 power requirements
9.6V DC · centre negative · draws 100mA · needs a supply of at least 200mA
the voltage it ships for · digital · from the maker
“Power Supply 9.6VDC-200mA power adapter included … Current Draw 100mA” source
Checked 2026-10-13
9V DC · centre negative · draws 100mA
digital · from the maker
“Attach the output plug from the included power supply to the 9V power jack. The STRING9 draws 100mA at 9VDC on a center-negative plug. Do not exceed 10.5VDC on the power jack.” source
Checked 2026-10-13
Size
101.6 × 120.65 × 57.15 mm (4.00 × 4.75 × 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
- Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
- Strymon Zuma9 outputs · isolatedSweetwater
- Voodoo Lab Pedal Power 38 outputs · isolatedSweetwater
- Truetone 1 SPOT Pro CS1212 outputs · isolatedSweetwater
- Truetone 1 SPOT Pro CS77 outputs · isolatedSweetwater