[sdiy] Grounding of inputs/outputs for modules

Tom Wiltshire tom at electricdruid.net
Sat Aug 4 12:58:01 CEST 2012

On 3 Aug 2012, at 17:54, David G Dixon wrote:

>> I'm building some Eurorack synth modules. Normally when 
>> wiring up jack sockets, I'd have the sleeve grounded, and the 
>> signal on the tip. Is the ground necessary for synth modules? 
>> Seems to me that with everything on the same power supply 
>> (and therefore the same ground) I'm going to be creating lots 
>> of little ground loops if I connect it.
>> What's the standard practice for this?
> I ground everything on the panel.  I use bare aluminum panels, so I only
> feed one "panel ground" wire to a jack ring, and that takes care of
> everything.  It is very important to do this, in my experience.  My system
> is completely noise-free.

Thanks everyone.

I'm using plastic-bodied jacks, so I haven't got a connection to the panel. I'll run a wire to all the jacks and make sure that they're well grounded, as John suggested.


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