[sdiy] Schematic Symbol Question

[Adam Inglis (sdiy)]

Shawn have you read the mixer’s Owners Manual?
I’ve used a few Mackies and their manuals are wonderful at explaining all the possibilities and pitfalls with their circuits

cheers
Adam

> On 6 Aug 2020, at 12:05 pm, Shawn Rakestraw <shawnrakestraw at gmail.com> wrote:
> 
> 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 <mailto:synthdiy at adambaby.com>> wrote:
> 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 <mailto: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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