The following table shows the filter stop band attenuation:

 

Linear Phase

Minimum Phase

Steep

 

 

 

 

Roll-off at 20kHz

-0.1dB

-0.1dB

-2dB

 

 

 

 

Roll-off at 22kHz

-10dB

-10dB

-82dB

 

 

 

 

Ultimate roll-off

140dB

140dB

140dB

 

 

 

 

We encourage you to experiment with the filters to determine which sound best to your ears and using your source equipment/programme material. The DacMagic remembers and recalls the selected filter type for each input individually, making it possible, for example, to select Steep for the USB input and Linear Phase for Digital Input 1, and so on.

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Cambridge Audio azur DacMagic user manual