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May 11, 2020

Third Party Mixer to Two L1 Systems

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Mixer to Two L1 Model II Systems

Mixer to Two L1 Model II.png

Please reply in this discussion if you questions about the article.

Thank you.

ST

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Sep 13, 2018

Re: Third Party Mixer to Two L1 Systems

Hi ST,

A couple of comments as I run this setup regularly (Mackie ProFX8).

  • Not all mixer 1/4" main outs are balanced TRS, there are still some unbalanced TS-equipped models out there, especially in the entry level realm. Suggest adding a "check your manual" caveat/note. Still not a deal breaker, though, as you can still run unbalanced 25'-30' with no ill effects other than a possible nominal 6dB loss in level from using TS plugs in a TRS jack, depending on how the L1 varieties handle that.
  • Regarding the note under level setting "Adjust the volume of the Third Party Mixer Main Output to the maximum output without distortion. This may be marked as unity or 0 dB."
    • +4dBu is the reference point on most analog consoles, but while that may read 0dB or unity on an analog console main meter, on a digital console meter it will read -18dBFS (dB below Full Scale) in the US, or -20dBFS in the EU. Suggest changing "This may be marked as unity or 0 dB" to something like:
      • This may be marked as unity or 0 dB on analog consoles, or -18dB on digital consoles. Check your mixer manual to be sure.
    • All consoles also have headroom built in and can go up to +12, +18, even +28dBu above the reference level in some cases without distortion (or at least that which you can hear). This additional headroom is designed in to allow the mixer to handle sudden signal spikes without distortion, and the listener should not hear any unless the manufacturer's specified max specified output level is exceeded. Suggest changing "maximum output without distortion" to "reference" or "nominal" output level.

 

Hope this helps,
Jeff

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Re: Third Party Mixer to Two L1 Systems

Hi Jeff,

Thanks for the suggestions.

I've added some more information about using unbalanced connections, changed maximum to reference/nominal and added and references to dBu and dBFS settings on output meters.

ST

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May 11, 2020

Re: Third Party Mixer to Two L1 Systems

Hi Rowan,

Please see this new discussion for you question. Presonus RM32AI recording/mixer to two L1 Model 1S

Thanks,

ST