Difference between revisions of "Audio Interface - Mixing Bench"

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= Motu 828 Interface =
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This lab has a MOTU 828mk3 audio Interface.  It has multiple inputs and outputs.  Unfortunately the order and labeling of the inputs and outputs in the audio applications can be confusing.
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 +
== Inputs ==
 +
* There are two XLR/1/4" mic/instrument inputs on the front.
 +
** Microphones can be connected to theses inputs with XLR cables.
 +
** Guitars can be connected with 1/4" cables.
 +
** Each input has:
 +
*** Trim control knob for setting levels
 +
*** Pad for reducing inout levels
 +
* There are eight 1/4" line level inputs on the back.  
 +
** Inputs 1 and 2 are connected to the patchbay.
 +
** The main outputs of the mixer are connected directly to inputs 3 and 4.  
 +
** The other inputs are not being used.
 +
** Do not connect or disconnect cables on the back.
 +
 +
== Outputs ==
 +
* There are two XLR Main outputs on the back.
 +
** Theses are connected directly to the Volume Control Box.
 +
* There are eight 1/4" line level outputs on the back.
 +
** Outputs 1 and 2 are connected to the patchbay.  
 +
** The other outputs are not being used.
 +
** Do not connect or disconnect cables on the back.
 +
 +
== Labeling ==
 +
* The various audio applications may refer to the inputs and outputs with slightly different names.
 +
* We have tried to set the preferences to meaningful names but sometimes they may revert back to the default names.  
 +
 +
=== Inputs ===
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* Mic/Instrument inputs come before the line inputs.
 +
* This makes the numbering of the analog inputs confusing.
 +
*** For example analog input 1 is input 3.
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{|
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|MOTU Inputs
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|Software Label
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|-
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|Mic/Instrument 1
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|Input 1
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|-
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|Mic/Instrument 2
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|Input 2
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|-
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|Line 1
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|Input 3
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|-
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|Line 2
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|Input 4
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|-
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|Line 3
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|Input 5
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|-
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|Line 4
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|Input 6
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|}
 +
 +
=== Outputs ===
 +
* The Main outputs inputs come before the line outputs.
 +
* This makes the numbering of the analog outputs confusing. 
 +
*** For example analog output 1 is output 3.
 +
{|
 +
|MOTU Outputs
 +
|Software Label
 +
|-
 +
|Main Out 1
 +
|Output 1
 +
|-
 +
|Main Out 2
 +
|Output 2
 +
|-
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|Line 1
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|Output 3
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|-
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|Line 2
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|Output 4
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|}
 
[[Category:Audio Mixing Benches]]
 
[[Category:Audio Mixing Benches]]

Revision as of 16:29, 4 March 2022

test

Motu 828 Interface

This lab has a MOTU 828mk3 audio Interface.  It has multiple inputs and outputs.  Unfortunately the order and labeling of the inputs and outputs in the audio applications can be confusing.

Inputs

  • There are two XLR/1/4" mic/instrument inputs on the front.
    • Microphones can be connected to theses inputs with XLR cables.
    • Guitars can be connected with 1/4" cables.
    • Each input has:
      • Trim control knob for setting levels
      • Pad for reducing inout levels
  • There are eight 1/4" line level inputs on the back.  
    • Inputs 1 and 2 are connected to the patchbay.
    • The main outputs of the mixer are connected directly to inputs 3 and 4.  
    • The other inputs are not being used.
    • Do not connect or disconnect cables on the back.

Outputs

  • There are two XLR Main outputs on the back.
    • Theses are connected directly to the Volume Control Box.
  • There are eight 1/4" line level outputs on the back.
    • Outputs 1 and 2 are connected to the patchbay.  
    • The other outputs are not being used.
    • Do not connect or disconnect cables on the back.

Labeling

  • The various audio applications may refer to the inputs and outputs with slightly different names.
  • We have tried to set the preferences to meaningful names but sometimes they may revert back to the default names.  

Inputs

  • Mic/Instrument inputs come before the line inputs.
  • This makes the numbering of the analog inputs confusing.
      • For example analog input 1 is input 3.
MOTU Inputs Software Label
Mic/Instrument 1 Input 1
Mic/Instrument 2 Input 2
Line 1 Input 3
Line 2 Input 4
Line 3 Input 5
Line 4 Input 6

Outputs

  • The Main outputs inputs come before the line outputs.
  • This makes the numbering of the analog outputs confusing. 
      • For example analog output 1 is output 3.
MOTU Outputs Software Label
Main Out 1 Output 1
Main Out 2 Output 2
Line 1 Output 3
Line 2 Output 4
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