dLive dual Mixrack

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    Profile photo of Paul Loth
    Paul Loth

    A friend of mine wondered whether you could use 2 Mixracks with one Surface for redundancy. I saw while googling that you could use 2 Mixracks with ilive to increase channel account.

    Profile photo of Brian

    You cannot have multiple mixracks in the same way that you could with iLive. But that really only allowed you to increase the I/O count (up to 128 channels). The second mixrack was a “slave” and it didn’t actually give you a redundant mixrack to handle the processing should the primary one go down for some reason. In fact, it has some weird limitations like the fact that your FX had to be inserted on channels 1-64 and not 65-128 (because the 2nd mixrack didn’t have processing).

    As far as redundancy with DLive goes, there are some possibilities……

    First, you should look at the S Class DLive devices. They have a lot of redundancy built in (redundant power supplies and redundant digital connections for example).

    Second, when it comes to redundant surfaces, that is allowed in the DLive environment. It could be a physical surface or a computer running the DLive Director software which is an online/offline editor for the DLive mixracks. Personally I think you should always try to have a dedicated computer running Director connected during any show as a redundant surface. This way if the primary surface fails, you still have a way to control the show while someone tries to get the surface back up and running.

    Third, it is much harder to figure out a way to have redundant mixracks. You would have to use an analog split to two mixracks (both with enough I/O to support the show)? That would be the only logical option IMHO because using tielines, and digital connections between the two mixracks would fail should one of the mixracks fail. Even then, you would have to figure out how to keep the primary system and the backup system “in sync” with each other (as much as possible) and have someone how to change the outputs over to the backup system should the primary system fail. Honestly it seems like more work than it is worth (but I’m not working shows big enough where this might be considered).

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