Effects

Ernie Ball volume pedal modification to make the taper like it was with the old Allen Bradley poti

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Regular readers of this blog might know my first article about the different behaviour of Mark Knopfler’s Ernie Ball volume pedal compared to recent Ernie Ball models. In short: In the 80ies  a different poti was used that caused a completely different sweep curve than later ones (see diagram below). Knopfler’s pedal changes volume drastically over the first part of the pedal sweep range. This allows him to perform the […]