Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - Manual (Page 24)

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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.