Ernie Ball volume pedal modification to make the taper like it was with the old Allen Bradley poti | Mark Knopfler Guitar Site
Did my first mod today! Took a Ernie Ball Expression drive and turned it into a extra mini volume pedal! A pretty simple mod but it made me super happy to finish! :
Why the string thing in Ernie Ball volume pedals? | TalkBass.com
Ernie Ball Volume Pedal Spring and String Replacement - iFixit Repair Guide