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Old 2nd April 2013, 01:27 PM   #1
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Default Weiliang DAC9 with AK4399

Hello,
loved the DAC 2496 (AK4393) DAC KIT With CS8416+AK4393+5532 thread. Maybe we can start something similar with this DAC.
Any suggestions? Thanks .

For comparison i have DAC 2496 (AK4396) direct out and osconized (SEPC) and Cary Xciter, just run in DAC 9. Seems to be more analogue sound with better stage (first impression).

Macbook>Squeezebox duet>DAC9>Teac Al 700P>Konus Essence
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Last edited by risperdal; 2nd April 2013 at 02:09 PM.
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Old 2nd April 2013, 03:29 PM   #2
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I've ordered one and have been reading up on mods for the 4396. I recently built a Beta 22 amp and i'm looking for mods that could benefit that amp in particular, perhaps direct out..?
How does the DAC9 sound stock?
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Old 3rd April 2013, 04:55 PM   #3
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I am beginner,so i have done it ,direct out stolen from first resistor behind AOUTRP and AOUTLP. Datasheet says that internal switched capacitor filters the noise beyond the audio band. For my ears the woolen sound has gone,voices are incredible,bass improved by wide margin. I can do that because my Teac have input capacitors (2,2uF). Hi Markus, in stock i found DAC9 beter, more analogue.Don`t forget to buy sigma 11(wonderful power supply)Hoe long does it take to complete sigma22?

Last edited by risperdal; 3rd April 2013 at 04:58 PM.
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Old 3rd April 2013, 06:00 PM   #4
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Now that's the spirit. My sigma22 took a while, the initial build was pretty quick but theni shorted it frying my beta22 and psu and it took a very long time to debug, but now it runs like a dream. Would i need caps on the output for the beta? I ordered a transformer from minishow, so i won't need a beta11 will i? (i've plenty of spare parts from the sigma22 and probably could build an extra beta11 if needed

Risperdal where did you buy your dac9 from? how long was the shipping?
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Old 4th April 2013, 12:01 PM   #5
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Anyone have a RMAA (or other) measurements of DAC9 ? (or DAC7)
I try to choose one of they.
And anybody listen they both? How your impression of dac`s
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Old 5th April 2013, 06:46 AM   #6
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Weiliang , do you have a measurement of DAC7 or DAC9 ?
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Old 5th April 2013, 04:46 PM   #7
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Looks as if the coupling capacitors are Silmic II.Slimic II are not suitable for digital decoupling, or ? I think also that the traces are a way too long.
I can choose between Wima MKS2 10 uf or 470 uf SEPC Sanyo. Any suggestions?


Hi Markus, have little time now, but i bought this DAC from mini show, shipping was expensive but tooks only 4 days.

Last edited by risperdal; 5th April 2013 at 05:12 PM.
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Old 7th April 2013, 11:46 AM   #8
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I tried Panasonic FM in place of FJ before lm7808. Wow, anything gone bad, no air, no magic, voices are far away. Anybody knows FJ? Can, t find anything about them.
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Old 7th April 2013, 12:47 PM   #9
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risperdal, (or enyone) do you can measure your DAC by RMAA? It is very easy. Please.
http://audio.rightmark.org/index_new.shtml
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Old 7th April 2013, 11:17 PM   #10
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here's some info on Fu Jack - ????? - ???????????????
weird that a cap before a voltage regulator can have so much influence on audio..
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