Terminology & Concepts: Difference between revisions

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== DI (box) ==
== DI (box) ==
[[Image:DI.gif|right]]
[[Image:DIbox.gif|right]]
Use a DI when you want to connect two devices and you have any of these issues:
Use a DI when you want to connect two devices and you have any of these issues:
* impedance mismatch
* impedance mismatch
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''A DI unit or DI box is an electronic device designed for connecting a piece of equipment with an electronic audio output to a standard microphone or line level input. It performs both level and impedance matching to minimise both noise and distortion. DI is variously claimed to stand for direct input, direct injection or direct interface. DI units are extensively used with professional and semi-professional PA systems and in sound recording studios.''  -- [http://en.wikipedia.org/wiki/DI_box Wikipedia]
''A DI unit or DI box is an electronic device designed for connecting a piece of equipment with an electronic audio output to a standard microphone or line level input. It performs both level and impedance matching to minimise both noise and distortion. DI is variously claimed to stand for direct input, direct injection or direct interface. DI units are extensively used with professional and semi-professional PA systems and in sound recording studios.''  -- [http://en.wikipedia.org/wiki/DI_box Wikipedia]


You will also see the term DI used to refer to devices used to modify the tone as well as other properties of a signal. This is often in the context of Acoustic Guitar and Electric Bass. In the picture above the first two are passive DIs used for solving problems. The others are all sold as DIs that also shape the sound.  
You will also see the term DI used to refer to devices used to modify the tone as well as other properties of a signal. This is often in the context of Acoustic Guitar and Electric Bass. In the picture above the first two are passive DIs used for solving problems. The others are all sold as DIs that also shape the sound.


== Dual Mono ==  
== Dual Mono ==