Gain and TRIM adjustment

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This topic contains 7 replies, has 5 voices, and was last updated by Profile photo of Rockaddict Rockaddict 8 months, 3 weeks ago.

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  • #93579
    Profile photo of Rockaddict
    Rockaddict
    Participant

    Hello,
    for the last 4 years I have used a Q24. Since 3 weeks I have a SQ6 with SW 1.5.
    I have installed the TubeStage Preamp. yesterday was our 1st rehersal Session and I don’t understand the difference between Gain and TRIM? The Reference Guide says: Trim is a purely digital adjustment, for digital or line signal.
    But I have the impression that Gain and TRIM are two amplifiers connected in series. The channel level is influenced by both parameters, right? Is this a bug or a feature? Is there a recommendation how to proceed with the level adjustment?
    And: Wouldn’t it make sense to connect not only Trim but also Gain for input ganging?

    Kind regards
    Uwe

    #93580
    Profile photo of Scott
    Scott
    Participant

    Gain is the analog preamp gain although digitally controlled. This is used to get the signal going into the channel to an optimal level.

    Trim is in the digital domain and can increase/decrease the signal strength without effecting the preamp gain. This is especially handy during monitor / FOH splits and allows each engineer to adjust the signal levels WITHOUT effecting the other *(since preamp gain is shared by both).

    #93581
    Profile photo of Rockaddict
    Rockaddict
    Participant

    Hi Scot,

    So it is correct that Gain and TRIM are two amplifiers connected in series ?
    What is your recommendation for setting TRIM and Gain?
    e.g. always set TRIM to 0 dB, then adjust gain ? Or differently?

    Kind regards from Germany

    #93587
    Profile photo of Mike C
    Mike C
    Participant

    What is your recommendation for setting TRIM and Gain?
    e.g. always set TRIM to 0 dB, then adjust gain ? Or differently?

    I’m going to say trim set to 0db unless your doing a digital split and one board
    or the other needs to tweak the input level.

    #93593
    Profile photo of volounteer
    volounteer
    Participant

    @Rockaddict

    +1 for what @mikec said

    Trim is for TRIM.
    Do your main adjustment with the gain.
    Then trim if you need to trim.

    As I recall the adjustment range is much more than the trim can do.

    #93621
    Profile photo of SteffenR
    SteffenR
    Participant

    you can use the trim for changing input levels from recordings, audio networks or other sources without gain control
    and you can store trim in the scenes without affecting the analog preamp gain

    a rule of thumb would be to use the analog gain where possible,
    since this ensures the correct level for the processing in the first place

    #93633
    Profile photo of volounteer
    volounteer
    Participant

    @rockaddict

    again +1 for what @SteffenR said

    #93638
    Profile photo of Rockaddict
    Rockaddict
    Participant

    Thank you guys, i will try it at the next rehersal session.
    Bye

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