Dbx dbx® 1231 Owner's Manual

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graphic equalizer section of the 12 Series EQs. The

>CEJI<6>C and and ADL8JI controls remain unaffected 

when the EQ is bypassed.

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Frequency Band Slider Controls: Each one of these slider potentiometers will boost or cut at its noted frequency 
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the center detented position the output of the equalizer is flat. The frequency band centers of the 1231 are marked at 
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The 12 Series Equalizers have balanced inputs and outputs that can be used with any balanced or unbalanced line-
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Installation Considerations, Page 5.

To connect the equalizer to your sound system refer to the following steps:

     

     

        Install the EQs in a rack with the rack screws provided. It can be mounted above or below anything that does 

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        All three types of connectors for the inputs and outputs can be used for balanced or unbalanced connections. 

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Ω.

     

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to a convenient power outlet away from audio lines. The unit may be turned on and off from the rear panel