[sdiy] Schematic Symbol Question

Shawn Rakestraw shawnrakestraw at gmail.com
Thu Aug 6 04:05:57 CEST 2020

Thanks everyone for your comments. That totally makes sense and to provide
some context, I'm just looking at the circuit with the thought of
reproducing the gain / preamp portion of it. I guess I need to read up on
balanced signals. The one question that pops out into my head right now is
- What happens when an unbalanced cable is plugged in? To answer myself, I
believe one side (the position on the bottom) would just stay connected to
ground. Sorry again, I know I have a LOT to learn.

On Wed, Aug 5, 2020 at 8:26 PM Adam Inglis (sdiy) <synthdiy at adambaby.com>

> As CJP says, it’s balanced mono that accepts unbalanced signals as well.
> Most Mackie mixer inputs do this.
> A
> > On 6 Aug 2020, at 9:53 am, Shawn Rakestraw <shawnrakestraw at gmail.com>
> wrote:
> >
> > Not a complicated question here. I am pretty familiar with mono jacks in
> eurorack (thonkiconn). But I am looking at a schematic of a Mackie mixer
> and the line input jack looks like this. Obviously, I see the ground and
> also the ground is normalled to the two positions. The 2 positions is what
> is confusing me though. If it is a mono input, why is there 2 positions?
> Does one get grounded when a jack is inserted? Sorry, I feel like I am
> asking a stupid question. Thanks
> >
> > <image.png>
> >
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