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So I've been having a hum issue with my Wurlitzer that seems to be grounding related. So I removed the IEC ground which is screwed into the amplifier board, and it seems to have fixed it, but I feel like this is not a long term solution.

Should this be placed somewhere else to actually ground the power? or should I just leave it removed.

Hey,

I'm trying to diagnose my 200a's sustain pedal, it's pretty clicky and stiff. I replaced it with a new cable from vintage vibe but it's still not very seamless. I'm not sure if it's just the nature of the sustain but I'm comparing it to a grand piano or acoustic. Should it have a similar action?