Qeustion:Starting cut off point of a NOS DAC filter???

Leolabs · 13th June 2007, 03:03 AM

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???

rfbrw · 13th June 2007, 03:11 AM

Yes and yes.

Werner · 13th June 2007, 05:53 AM

This is the simulated response of the filter of the Audio Note DAC 1.1.

frequency

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

http://www.tnt-audio.com/sorgenti/audionote11kit_e.html

dcathro · 13th June 2007, 07:01 AM

If you can hear -2db @ 20KHz, then you have bat's ears!

13th June 2007, 03:03 AM	#1
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	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???

13th June 2007, 05:53 AM	#3
Werner diyAudio Member Join Date: Jan 2002 Location: Belgium	This is the simulated response of the filter of the Audio Note DAC 1.1. frequency 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 http://www.tnt-audio.com/sorgenti/audionote11kit_e.html __________________ bring back dynamic range

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13th June 2007, 03:11 AM	#2
rfbrw diyAudio Member Join Date: Oct 2001 Location: .	Yes and yes.

13th June 2007, 07:01 AM	#4
dcathro diyAudio Member Join Date: Mar 2007	If you can hear -2db @ 20KHz, then you have bat's ears!

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