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Ritter/Noll 4-band

eottjake

Supporting Member
Jan 30, 2009
227
272
Vandalia, Ohio
Does anyone have a wiring diagram for a Ritter "custom Noll 4 band"?
My bass is currently in the shop for issues on the active side--it sounds like a bad battery at best, not receiving power at worst.

My tech has swapped out the jack with a new one from Noll, but it's still acting like it's not getting power. (Obviously we've tried multiple new 9v batteries)

The passive circuit works and sounds great, just when you push down the knob to activate active mode, it loses everything.

I've reached out to both Noll support and Ritter, haven't heard back from either.