Electro-Harmonix · Delay

Grand Canyon

9.6V · 150 mA · maker

Electro-Harmonix Grand Canyon power requirements

9.6V DC · centre negative · draws 150mA · 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 150mA” source
Checked 2026-10-13
9V DC · centre negative · draws 150mA · needs a supply of at least 150mA
digital · from the maker
“The Grand Canyon requires 150mA at 9VDC with a center negative plug. Use of the wrong adapter or a plug with the wrong polarity may damage your Grand Canyon and void the warranty. Do not exceed 10.5VDC on the power plug. Power supplies rated for less than 150mA will cause the Grand Canyon to act unreliably.” source
Checked 2026-10-13

99.06 × 120.65 × 63.5 mm (3.90 × 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.