Fairfield Circuitry · Fuzz

The Unpleasant Surprise

9V · 15 mA · maker

Fairfield Circuitry The Unpleasant Surprise power requirements

9V DC · centre negative · draws 15mA
the voltage it ships for · from the maker
“The Unpleasant Surprise was designed to operate and sound good using your typical center negative, regulated 9-9.6 VDC power supply. … power supply 9 to 9.6 VDC - current draw 15 mA” source
Checked 2026-10-13
9.6V DC · centre negative · draws 15mA
from the maker
“The Unpleasant Surprise was designed to operate and sound good using your typical center negative, regulated 9-9.6 VDC power supply. … power supply 9 to 9.6 VDC - current draw 15 mA” source
Checked 2026-10-13

111.76 × 63.5 × 48.26 mm (4.40 × 2.50 × 1.90 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.