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I am looking into wiring my StudioLive 32 III into my patch bay so I don't need to crawl behind the desk to connect mic cables.

On the SL 32, mic inputs 1-16 are XLR (no problem) but the rest (17-32) are Neutrik combos which allow selection of mic or line. This selection of the mic or the line happens when you plug in either an XLR (for mic) or a TRS (for line).

I would like to have this selection capability extended to the rack, but I am not sure if this is possible. My thinking is that if I plug in a standard XLR cable and run it to the patch bay, I will not be able to connect to the line input on the mixer. If I connect a TRS and run it to the patch bay, I not be able to connect to the mic pre in the mixer (due to the internal switching).

I am thinking that I am stuck with 16 mic inputs at the patch bay and will still need to crawl behind the mixer if I want to select the the mic input or line inputs for the last 16 channels.

Thanks for any enlightenment on this!

p

Windows 10 Pro 64-bit
CPU = Intel Core i&-3770K CPU @ 3.5GHz
Ram = 32GB
Graphics = NVIDIA GeForce GT640
Displays = Acer T232HL & AOC 2429W
Studio One 5
StudioLive III 32
Focusrite Liquid 56
Focusrite ISA428
dBX 161s
Universal Audio 6176
Allen&Heath GL3000
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by sjc193 on Fri Dec 15, 2017 1:26 pm
I would probably do with it what would most commonly be needed. So for the last 16 channels I might do 8 mic and 8 line to the patch bay. Or maybe even 12 mic and 4 line, or 10 and 6, depends on what you would most commonly use typically. That way you only need to crawl around back there every once in a long while when someone brings in 16 line outputs or something not so commonly needed.

A couple of DI boxes might come in handy to keep you from having to crawl around too.

You are correct about the issue, I'm just making suggestions for how you might mitigate the problem to as small an issue for you as possible. . .

Steve

StudioLive RM32AI
Rackmount Windows 8.1 PC Quad core 8G ram
ASUS RT-N66U Dual Band Router
IPad2, IPad Air 2, Studio One 3 Pro, 1 DBX Driverack 260
2 QSC KW 153's, 2 Turbosound TMS-1's
2 OHM MR450D Subs with Kilomax 18inch drivers
4 EV ZLX-12P's, 1 TurboSound iX15, 2 Yamaha S115V's
1 Crest Pro-Lite 7.5 (7500 watts) amp, 2 Behringer EP4000 amps
10 58/57 mics, 1 SM86, 1 sE8, 1 sE2200, 1 AT2020, 2 AT2021
1 beta52 kick mic, 2 e609, 2 Radial J48 DI's, 1 PRO48 DI
2 4Bar lights, 1 4Play, 1 6Spot, 1 fog machine
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by psusername on Fri Dec 15, 2017 3:12 pm
Thanks Steve,

That is what I was thinking too. I just need to give some thought on how many line inputs will be needed. I'm thinking I will also make it easy to just pull the board out so I can reach the back rather than lying on my back reaching up with a flashlight in my mouth :mrgreen:. Maybe down the road once the warranty is over, I might look into some mods.

Take care,

p

Windows 10 Pro 64-bit
CPU = Intel Core i&-3770K CPU @ 3.5GHz
Ram = 32GB
Graphics = NVIDIA GeForce GT640
Displays = Acer T232HL & AOC 2429W
Studio One 5
StudioLive III 32
Focusrite Liquid 56
Focusrite ISA428
dBX 161s
Universal Audio 6176
Allen&Heath GL3000
User avatar
by chuckgollnick on Sun Dec 31, 2017 5:11 pm
I suspect that it can't be done.

Neutrik makes several variants of their combo jack. Some of them incorporate mechanical switches which can be used to change the behavior of the circuit depending on whether a 1/4" TRS plug is inserted or not. Presonus seems to take advantage of just that feature. The preamp behaves differently when a 1/4" TRS plug is inserted. As a result, it is impossible to wire this to a patch panel while preserving both functions.

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