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UltraLite-mk5: Is it possible to use the two microphone inputs with line level sources ?

Posted: Mon Sep 18, 2023 11:47 am
by lm4u
Hello!
Please advise me if it is possible and if yes, how to use the microphone inputs together with the other 6 line-ins of an UltraLite-mk5 interface, in order to connect to it the pre-outs of a Dolby Atmos receiver (Marantz Cinema 70s), for a 5.1.2 configuration.
What kind of attenuator could be used?
Thank you

Re: UltraLite-mk5: Is it possible to use the two microphone inputs with line level sources ?

Posted: Mon Sep 18, 2023 1:15 pm
by HCMarkus
See the Manual, Page 34.

https://cdn-data.motu.com/manuals/usb-c ... _Guide.pdf

Between the Gain Pot and Pad, you should be able to get the gain right for your use case.

Re: UltraLite-mk5: Is it possible to use the two microphone inputs with line level sources ?

Posted: Mon Sep 18, 2023 1:35 pm
by mikehalloran
Searchable pdf files and tutorials are your friends.

User Guide/Manual:
https://cdn-data.motu.com/manuals/usb-c ... _Guide.pdf

Here's MOTU's Getting Started page with tutorial videos:
https://motu.com/en-us/products/gen5/ul ... g-started/

Re: UltraLite-mk5: Is it possible to use the two microphone inputs with line level sources ?

Posted: Tue Sep 19, 2023 2:29 pm
by lm4u
Thanks for the quick answers!
I understand that you consider that an attenuator is not necessary when connecting a line level pre-out (RCA -10 dBv line level) from the receiver to the front mic/instrument inputs (via TRS). Reading in the manual, at page 23: Combo jack summary, it looks like you are right.
That is good news.
Reading
https://www.shure.com/en-US/performance ... mic-levels and https://gearspace.com/board/so-much-gea ... input.html, for example,
it seemed that the situation was not so simple.