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Matrix feeds and subgroups usage.
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<blockquote data-quote="kristianjohnsen" data-source="post: 63939" data-attributes="member: 441"><p>Re: Matrix feeds and subgroups usage.</p><p></p><p>I already wrote about some of this in this thread:</p><p></p><p><a href="http://soundforums.net/varsity/4591-midas-pro-1-a.html" target="_blank">http://soundforums.net/varsity/4591-midas-pro-1-a.html</a></p><p></p><p>and also in this thread on PSW:</p><p></p><p><a href="http://forums.prosoundweb.com/index.php/topic,135111.msg1266010.html#msg1266010" target="_blank">How come I never heard of this? Alternative mixer routing</a></p><p></p><p></p><p>I used yet another group/matrix setup this weekend that I found very usable:</p><p></p><p>It was a small local festival, but with a few very well know national level artists.</p><p></p><p>The main mixer was my Yamaha PM1D, but there were BEs using other mixers and we needed a conventient way to to interconnect the systems so that there would be a minumum of patching involved come time for changeover.</p><p></p><p>For those who aren't familiar with PM1D it has 48 mixes (groups/aux) and 24 matrices (12 stereo). It cannot route an input channel directly to a matrix, only to groups/auxs, which in turn can be routed to matrices.</p><p></p><p>I set the mixer up in such a way that the input mix channels on the PM1D were routed to the usual suggestions of mix buses (or directly to the LR master). This LR master was in turn routed to a stereo matrix that fed the physical PA system as well as a mono matrix that was delayed for a delay speaker feed.</p><p></p><p></p><p>The monitor mixes were routed to matrixes, one matrix for each monitor mix (8 in total).</p><p></p><p>The other mixer was connected to the PM1D in such a fashion that eight monitor auxes and the LR master output from that board were routed to 10 input channels on the PM1D which were sutably gained and otherwise left "flat". Each of these channels were fed to an audio group each, and each of those groups were in turn routed to the 8 monitor-feed matrixes and 2 PA matrixes.</p><p></p><p>The end result was that the matrix outputs were fed from both the 8 internal monitor auxes and LR master of the PM1D as well as being fed from the 8 monitor feeds and LR master of the other desk.</p><p></p><p>What I loved about this setup was that the matrix outputs could be given equipment-specific EQ for speaker protection, etc - while whoever mixed on the PM1D could EQ the monitor outputs and LR output as they wished for artistic/feedback reasons.</p><p></p><p>Whoever mixed on the other setup were free to use whatever output EQs they wanted on that system, but had no way of overriding the equipment-specific EQs set on the matrix outputs.</p><p></p><p>A guest mixing on the PM1D would of course be able to override these, but there is a fair chance most BEs wouldn't even realize the setup since the monitor auxes and LR outputs function exactly as expected.</p><p></p><p>The PM1D has the actual IO and DSP in a rack on stage, and the other setup was connected to stage via a normal analog multicore. The outputs from the other desk were extracted at the stage end and just patched with XLR shortes into the PM1D rack which in turn also fed the speakers with their signal.</p><p></p><p>The patch guys on stage patched subsnake XLRs between the mixrack and the analog sneake head during changeover, which worked relatively pain-free. At least there was no reason for them to worry about the returns, and the "next guy mixing" had all the return feeds ready for "tuning" and "talkback" as soon as the previous set was over.</p></blockquote><p></p>
[QUOTE="kristianjohnsen, post: 63939, member: 441"] Re: Matrix feeds and subgroups usage. I already wrote about some of this in this thread: [URL]http://soundforums.net/varsity/4591-midas-pro-1-a.html[/URL] and also in this thread on PSW: [url=http://forums.prosoundweb.com/index.php/topic,135111.msg1266010.html#msg1266010]How come I never heard of this? Alternative mixer routing[/url] I used yet another group/matrix setup this weekend that I found very usable: It was a small local festival, but with a few very well know national level artists. The main mixer was my Yamaha PM1D, but there were BEs using other mixers and we needed a conventient way to to interconnect the systems so that there would be a minumum of patching involved come time for changeover. For those who aren't familiar with PM1D it has 48 mixes (groups/aux) and 24 matrices (12 stereo). It cannot route an input channel directly to a matrix, only to groups/auxs, which in turn can be routed to matrices. I set the mixer up in such a way that the input mix channels on the PM1D were routed to the usual suggestions of mix buses (or directly to the LR master). This LR master was in turn routed to a stereo matrix that fed the physical PA system as well as a mono matrix that was delayed for a delay speaker feed. The monitor mixes were routed to matrixes, one matrix for each monitor mix (8 in total). The other mixer was connected to the PM1D in such a fashion that eight monitor auxes and the LR master output from that board were routed to 10 input channels on the PM1D which were sutably gained and otherwise left "flat". Each of these channels were fed to an audio group each, and each of those groups were in turn routed to the 8 monitor-feed matrixes and 2 PA matrixes. The end result was that the matrix outputs were fed from both the 8 internal monitor auxes and LR master of the PM1D as well as being fed from the 8 monitor feeds and LR master of the other desk. What I loved about this setup was that the matrix outputs could be given equipment-specific EQ for speaker protection, etc - while whoever mixed on the PM1D could EQ the monitor outputs and LR output as they wished for artistic/feedback reasons. Whoever mixed on the other setup were free to use whatever output EQs they wanted on that system, but had no way of overriding the equipment-specific EQs set on the matrix outputs. A guest mixing on the PM1D would of course be able to override these, but there is a fair chance most BEs wouldn't even realize the setup since the monitor auxes and LR outputs function exactly as expected. The PM1D has the actual IO and DSP in a rack on stage, and the other setup was connected to stage via a normal analog multicore. The outputs from the other desk were extracted at the stage end and just patched with XLR shortes into the PM1D rack which in turn also fed the speakers with their signal. The patch guys on stage patched subsnake XLRs between the mixrack and the analog sneake head during changeover, which worked relatively pain-free. At least there was no reason for them to worry about the returns, and the "next guy mixing" had all the return feeds ready for "tuning" and "talkback" as soon as the previous set was over. [/QUOTE]
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