Qeustion:Starting cut off point of a NOS DAC filter??? - diyAudio
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Old 13th June 2007, 03:03 AM   #1
Leolabs is offline Leolabs  Malaysia
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Question Qeustion:Starting cut off point of a NOS DAC filter???

Is that the starting high frequency cut off point of a NOS DAC filter is usually lower than an OS DAC???Would affect the listening esp at around 20KHz???
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Old 13th June 2007, 03:11 AM   #2
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Yes and yes.
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Old 13th June 2007, 05:53 AM   #3
Werner is offline Werner  Europe
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This is the simulated response of the filter of the Audio Note DAC 1.1.


relative level (dB)

1kHz 0

10kHz +0.25

20kHz -2

30kHz -10

40kHz -17

50kHz -22

100kHz -39

200kHz -57

500kHz -80

1MHz -99

As in

bring back dynamic range
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Old 13th June 2007, 07:01 AM   #4
dcathro is offline dcathro  Australia
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If you can hear -2db @ 20KHz, then you have bat's ears!
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