Electro-Harmonix · Looper

22500 Dual Stereo Looper

9.6V · 240 mA · maker

Electro-Harmonix 22500 Dual Stereo Looper power requirements

9.6V DC · centre negative · draws 240mA · needs a supply of at least 500mA
the voltage it ships for · digital · from the maker
“WARNING: Your 22500 comes equipped with an Electro-Harmonix 9.6VDC500mA power supply. The 22500 requires 240mA at 9VDC with a center negative plug and does not accept batteries.” source
Checked 2026-10-13
9V DC · centre negative · draws 240mA
digital · from the maker
“Connect the output plug of the supplied AC Adaptor into the 9VDC power jack on the rear panel of the 22500. The 22500’s current requirement is 240mA at 9VDC. The polarity of the power jack is center negative. The maximum allowable power supply voltage is 10.5 VDC.” source
Checked 2026-10-13

146.05 × 120.65 × 63.5 mm (5.75 × 4.75 × 2.50 in)

Width × depth × height, from the manufacturer.

Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.