Drilling template
Hammond 1590B
60 x 111 x 31mm
Harmonic Percolator
Standard Toggle Below
Recommended drill sizes:
Pots
7mm
Jacks
10mm
Footswitch
12mm
DC Socket
12mm
Switch
6mm
This template is a rough guide only. You should ensure correct marking of your
enclosure before drilling. You use this template at your own risk.
Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures.
PedalParts.co.uk
It’s a good idea to drill the holes for the pots 8mm to give
yourself some wiggle room unless you’re a drill ninja
Switch needs to be that low
to avoid touching
components on the PCB.
See next page if that’s
too low for you.
32mm
25mm
