Sparkle Drive hum

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willyecharte
Posts: 1
Joined: Wed Jan 23, 2019 11:48 am

Sparkle Drive hum

Post by willyecharte » Wed Jan 23, 2019 11:59 am

I bought one today. I works great, except that it has some extra hum. I compared (excuse my English, I'm from Argentina) with my Tubescreamer and a few other overdrives. The hum is in the limit of it being usable or not. But... if I touch de switch with my finger, the hum stops! what can it be? Thanks! Any help will be apreciated!

JohnClark
Posts: 7298
Joined: Tue May 05, 2009 2:33 pm
Location: The Lab

Re: Sparkle Drive hum

Post by JohnClark » Mon Feb 04, 2019 12:26 pm

It sounds as if maybe the nut that holds the switch in place is not tight... (inside the pedal there is a ground ring that is held tight against the chassis by the switch mounting hardware) ...tighten the flat nut on the outside of the chassis at the switch and it should take care of the issue.

Let us know how it goes!

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