Qu16 DB Calibration

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    Profile photo of Chris J.
    Chris J.

    Can someone confirm the calibration level for the Qu16 of 0DB matches 0DB on the faders or is there a built-in headroom allowance. I saw somewhere that the recommended “live mixing” calibration should be around -12DB. I have always calibrated to 0DB when running boards and just moved into a new role running this mixer. I have no previous experience with A&H.


    Profile photo of KeithJ A&H
    KeithJ A&H

    Hi Chris,

    When it comes to digital desks, there are some things to consider with meters and faders and outputs.

    The following article is a quick read that explains the different types of metering being used (https://www.audiorecording.me/what-is-the-difference-between-dbfs-vu-and-dbu-in-audio-recordings.html).

    Unity, or 0dB gain at the fader, just means you are not affecting the level with the fader position.
    But if an output meter is at 0dB, the output socket is providing +4dBu.

    Also, USB outputs on the Qu are digital, so users often think they have a low level.
    More info here – (https://support.allen-heath.com/Knowledgebase/Article/View/1121/201/-18dbfs-and-metering-in-qu-and-your-daw).

    I’m sure others will chime in with helpful advice too.


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