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Could someone explain to me the signal path of a solo switch?
Old 9th September 2011
Gear Addict
LonDonsen's Avatar

Could someone explain to me the signal path of a solo switch?

I don't get what happens when a solo button is pressed on a console in terms of the information flow? How can dozens of other signals or channels be muted at the same time just by pressing a single switch? Or is it actually a second stereo bus for such purposes, that is also connected with the main outs?
Old 9th September 2011
Gear Addict
MTStudios's Avatar
It's often the latter. It's then possible to choose which outputs the solo bus uses. IE, headphones, so at a live show, if you need to solo a channel you can do it without messing up the FOH.

There's also solo in place which does mute the main outputs and post fader sends of every other channel, which is more of a studio application, so you can still hear it's aux returns without other channels feeding into them.
Old 9th September 2011
Lives for gear
Sugarnutz's Avatar
Look at it as a global mute that excludes the channels being solo'd. That's the way a lot of consoles are wired, particularly those with "Solo in Place".
Old 9th September 2011
Gear Maniac
RebornOnline's Avatar
On my Mackie CFX12 it's the latter.

Check out the block diagram on page 22

Old 9th September 2011
Gear Addict
LonDonsen's Avatar

Thanks a million guys
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