JHS Pedals · Distortion

Hard Drive

9V · 78 mA · maker

JHS Pedals Hard Drive power requirements

9V DC · centre negative · draws 78mA
from the maker
“THIS PEDAL REQUIRES STANDARD 9V DC CENTER NEGATIVE POWER, CONSUMES 78mA, AND MEASURES 2.6" X 4.8" X 1.6".” source
Checked 2026-10-13

66.04 × 121.92 × 40.64 mm (2.60 × 4.80 × 1.60 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.