Default Gain Setting?

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  • #22418
    Profile photo of lawbass61
    lawbass61
    Participant

    Hello all. As a newcomer to digital systems (T112 and IDR48), I have what is likely a dumb question. Where do you experts recommend setting the gain on the preamps? The manual says set it to avoid clipping, but it also says since it may show hotter signal than other consoles. Thanks for any advice in advance.

    Jonathan Wade
    Suburban Legend Audio

    #26142
    Profile photo of gilparente
    gilparente
    Participant

    Hi Jonathan,
    It is not a dumb question, but a very broad, or vague one. The answer is very specific to other factors on your system and material.
    A simple rule that I always go by is to push my signal as hot as I can so I can maximize my signal to noise ratio. That being said, I also leave tons of room for dynamic changes in the material.
    There is no absolute answer to your question. But here are some thoughts:
    If your signal level is low on the input of the console, and your system output is too loud, than you have a gain structure problem in your system. Same goes for vice-verse. First you would have to address your gain structure problem, than worry about your individual signal level. (In a perfect world)
    On the iLive systems, I’ve been having pretty good results with my levels averaging just above the fake 0VU on the channel meters. I find myself mixing a little hot on these consoles. I haven’t heard any complaints yet. :-)
    If I’m doing an event on an unknown PA system, I usually will have my main outs feeding a Stereo Matrix and output that to the PA. That way, I can have my Main busses at a good level for board mix or distribution and adjust my PA on the matrix output. Which will, therefore, help on my signal to noise ration once again.

    Sorry for the long answer. Hope it helps some.

    take care
    Gil

    Gil Parente
    Design & Integration
    Entertainment Arts, Inc.

    #26149
    Profile photo of lawbass61
    lawbass61
    Participant

    Thanks Gil. My gain structure is fine. I simply wondered if for a typical say vocal microphone if folks were setting to -10, to the “fake 0VU” , et cetera. As always, I want, as you mention, the best signal to noise ratio I can get, but I certainly do not want to cross absolute zero digitally! Thanks again.
    Jon

    Jonathan Wade
    Suburban Legend Audio

    #26150
    Profile photo of sound
    sound
    Participant

    Jonathan,

    From the manual: The red PK! indicator lights to warn that the signal is within 5dB of clipping…

    Just treat it like an analogue board and don’t be afraid of the red.

    Greetings,
    Walter

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