iBORG88 Posted June 30, 2007 Share Posted June 30, 2007 Heya people, I have a little question! Where I'm working at the moment we have 2 part stage revolve, Stage A and Stage B. Both have 16-4 stage inputs which then runs to a patchbay in the soundbox. All of the multigates, compressers, fx etc. are also wired to the patchbay plus all desk inputs. Up untill recently I have NOT used the patchbay for inserting gates & comp to the desk, I have been using an insert I/0 loom direct from the desk to the gates and comp. My question is this! If the signal from stage is routed direct from stage to the gate and then to the desk, pre pfl gain. Will there be decrease in effectiveness of the gate/comp. Being a signal which is not at optimum/desk gained? Using a A&H ML4000 Any thoughts! Link to comment Share on other sites More sharing options...
Rob_Beech Posted June 30, 2007 Share Posted June 30, 2007 The unit would not function correctly for low level devices such as microphones. The idea of a preamp is to get the signal up to a level that is useable by your equipment. If you imagine setting a compressor at 0dB and a 2:1 ratio. If you fed this into the compressor BEFORE the preamp you would never get enough signal for the compressor to work. Whats more, you'd then adjust the gain on the desk....and defeat the object anyway, even if it did work. So no, inserts must come after the preamp. this is a little different with line level devices. Link to comment Share on other sites More sharing options...
Just Some Bloke Posted June 30, 2007 Share Posted June 30, 2007 Why not just add the channel inserts to the patchbay? Then you would avoid running cable each time. Link to comment Share on other sites More sharing options...
eviljohn2 Posted June 30, 2007 Share Posted June 30, 2007 Wouldn't adding channe inserts to the patch bay mean that you have to use them or at least jumper across them if you didn't want them? The insert points in the A&H desks I've used are normalled. Link to comment Share on other sites More sharing options...
bruce Posted June 30, 2007 Share Posted June 30, 2007 The insert points in the A&H desks I've used are normalled. ...so you put normalled connectors on the patchpay... Link to comment Share on other sites More sharing options...
eviljohn2 Posted June 30, 2007 Share Posted June 30, 2007 Good answer, problem solved! Link to comment Share on other sites More sharing options...
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