Filter brewing for the Soekris R2R

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#2,581
oneoclock said:
This is a set of 4k filters.
  • 4k-Kaiser linear phase filter that improves on the manufacturer's version.Has less ringing in the passband, attenuates more in the stopband 170 dB, and has a higher cutoff frequency. It also has better bass response and a narrower impulse response. Best fase response.
  • 4K-Nyquist. Linear pase filter improves the manufacturer´s versión. Has less ringing in the passband. Attenuates more in the stopband 170 dB. Has a higher cutoff frequency plaint to 22 kHz. It also has better bass response and a narrower impulse response. The Best fase response to 22 kHz. At the sampling point, it is exactly the value of the sample. The rest of the points are interpolated by 4k. This is the one with the least theoretical distortion.
  • Quasi-NOS is a very short impulse with an impulse response almost as good as NOS but with a flatter frequency response. It's very similar to the manufacturer's F7 but shows less distortion.
  • NOS. It makes the DAM behave exactly like a NOS DAC.
Click to expand...
Hello!

Does those filters will be suitable for dam2941 ?
On official download page http://www.soekris.dk/download.html , there are different filters for dam2xxx boards and others.
 
#2,582
I have a Soekris 1421 here that a friend loaded the filters.
Want to make sure I understand what light is associated with the LED light colors.

OFF - 4k-Kaiser linear phase filter
Red - 4K-Nyquist. Linear phase filter
Orange (dim red?) - Quasi-NOS
Green - NOS

Do these associate in this order?

Thanks
Alex
 
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