QU 16 – ST3 input – how do I mono this

[OK1Participant]

I manage a Qu 16 digital mixer. Our mixing strategy is mono, so no panning on any mono inputs. Therefore same signal goes to main outputs Left and Right.

When I send a stereo input into the 1/8th inch ST3 input, such as the output from a mobile phone, or laptop, I’d like this to be mono, and I have not figure out a way to achieve this. Maybe it exists and I have not read enough of the manual.

The approach I had in mind which I know will work, would be to convert this to two mono inputs, via a suitable cable, pair these two mono inputs – i.e link them together, and adjust the panning, to make it mono. this I know will work, but that’s using up two channels.

It would really be nice if I could use ST3 which is the perfect input for my needs, and just mono it.

Thanks in advance. Highly appreciated.

[Lee7Participant]

There is no real provision to do the above from within the desk, I don’t think so anyway.

[garyhParticipant]

With a stage box you can send L+R to an output. Without a stage box you would need to make or buy a stereo to mono outboard device.

[Mike CParticipant]

If you have a system processor DSP look at doing the mono summing in the DSP.
If your not already using the ALT OUT you can select L+R mono summing as an ALT OUT option.
Or….look up “Rane why not to Y” they a the schematic for a passive summing circuit using resistors, it works
well I’ve made a few, you can fit the parts into an XLR connector.

[OK1Participant]

Thanks everyone, your responses are highly appreciated.

[Author]

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