Thanks for you interest the DAC
I'm sorry the DAC only made for myself use and share my firend only 5 pcb not for any sales.
The DAC is for my PC audio use,is my middle grade DIY,I think not perfect......
Maybe I can paste the result record of full test in next time for you view.🙂
I'm sorry the DAC only made for myself use and share my firend only 5 pcb not for any sales.
The DAC is for my PC audio use,is my middle grade DIY,I think not perfect......
Maybe I can paste the result record of full test in next time for you view.🙂
???middle grade, huh???
That dac looks like kung fu to me, with a side order of serious mojo.
You’re going to fit right in around here.
I am about in the mood to try my hand at a dac and so await tales of your quest for perfection. And pictures too.
Good Luck and Happy Trails
That dac looks like kung fu to me, with a side order of serious mojo.
You’re going to fit right in around here.
I am about in the mood to try my hand at a dac and so await tales of your quest for perfection. And pictures too.
Good Luck and Happy Trails 
Welcome kello. You seem so modest. You are over the average DIY'er, I gather.
If you have a schematics I would be interested to take a peek and also more pictures. If the schematics is too large for the DIYAudio, please email it to me.
pa@mbox331.tele2_remove_this.se
Please remove the "_remove_this"
BTW: I'm totally spam free since my address change. Wonderful!
From now on I'll try to fake my address where I can. So far it works.
If you have a schematics I would be interested to take a peek and also more pictures. If the schematics is too large for the DIYAudio, please email it to me.
pa@mbox331.tele2_remove_this.se
Please remove the "_remove_this"
BTW: I'm totally spam free since my address change. Wonderful!
From now on I'll try to fake my address where I can. So far it works.
Hello Kello,
Welcome to the forum ! Your DAC looks good, I am curious how it sounds. Are you in audio for profession ?
Keep up the good work,
Jean-Paul
Good info eh ?! But wait till the email-scanners become more intelligent
Welcome to the forum ! Your DAC looks good, I am curious how it sounds. Are you in audio for profession ?
Keep up the good work,
Jean-Paul
Good info eh ?! But wait till the email-scanners become more intelligent
To😛er anders
Hi! Nice meet you!
thanks for you interest the DAC.
I'm sorry the DAC is long time ago project in 2000. not important for me so now only a few picture on my PC without schematic(original draft only).
so....not easy find out all document of the DAC.maybe I can send more picture to you. 🙂
Hi! Nice meet you!
thanks for you interest the DAC.
I'm sorry the DAC is long time ago project in 2000. not important for me so now only a few picture on my PC without schematic(original draft only).
so....not easy find out all document of the DAC.maybe I can send more picture to you. 🙂
TO:Jean-paul
Hi! jean-paul
You icon look is style,so cool !!! 😛
The DAC made for HiFi PCaudio with my friend in 2000(my friend application for AKG501 headphone).is midle grade design I think not profect
( I have more DAC IC more choose with my store:e.g AD1862K,AD1853,TDA1541A,PCM1702K,PCM63K.....)
thinking for contronl or balance the audio performance and excavate all of the AD1864NK ,so do it as picture show.
I find out some test record:
TEST EQUIPMENT using:
HP8903E aduio analyzer
PHILIPS CD10 System transport (low jitter coax mode)
SONY TYPE3 audio test disc
S/N A-Weight: L=109.0dB / R=107.4dB
THD+N: L=0.034% / R=0.014% @1KHz 0dB
L=0.009% /R=0.010% @1KHz -20dB
L=1.09% /R=0.82% @1K -60dB
0.04% @200Hz 0dB
0.04% @10KHz 0dB
0.07% @18KHz 0dB
FREQUENCE RESPONSE:
L = -0.5dB / R = -0.5dB@20-16KHz
L = -1.5dB / R = -1.8dB@18K-20KHz < Modified>
Buffer section THD: < 0.002%
mark: DAC test not LSB adjustment and test with EL2244 OP AMP IC(not like picture show as ADCOM6AA OP).in test show L channel IC have bit problem. FIR have problem the THD is high.
and other I modifed the FIL in high frequence on 16-20K to -2dB,control the sound response.the sound I think no perfect.
the sound type of this DAC is shape and wide,energy,style like Krell or Wadia, Clear than PCM63K, but Voice the PCM63K is good than.
I have a mini simply adapter board using two PCM63K fast exchange the AD1864NK,take the time I shot picture show you. the sound style different AD1864NK, I think the AD1864NK for symphonic or Rock is very good and PCM63 for voice is good than.
Hi! jean-paul
You icon look is style,so cool !!! 😛
The DAC made for HiFi PCaudio with my friend in 2000(my friend application for AKG501 headphone).is midle grade design I think not profect
( I have more DAC IC more choose with my store:e.g AD1862K,AD1853,TDA1541A,PCM1702K,PCM63K.....)
thinking for contronl or balance the audio performance and excavate all of the AD1864NK ,so do it as picture show.
I find out some test record:
TEST EQUIPMENT using:
HP8903E aduio analyzer
PHILIPS CD10 System transport (low jitter coax mode)
SONY TYPE3 audio test disc
S/N A-Weight: L=109.0dB / R=107.4dB
THD+N: L=0.034% / R=0.014% @1KHz 0dB
L=0.009% /R=0.010% @1KHz -20dB
L=1.09% /R=0.82% @1K -60dB
0.04% @200Hz 0dB
0.04% @10KHz 0dB
0.07% @18KHz 0dB
FREQUENCE RESPONSE:
L = -0.5dB / R = -0.5dB@20-16KHz
L = -1.5dB / R = -1.8dB@18K-20KHz < Modified>
Buffer section THD: < 0.002%
mark: DAC test not LSB adjustment and test with EL2244 OP AMP IC(not like picture show as ADCOM6AA OP).in test show L channel IC have bit problem. FIR have problem the THD is high.
and other I modifed the FIL in high frequence on 16-20K to -2dB,control the sound response.the sound I think no perfect.
the sound type of this DAC is shape and wide,energy,style like Krell or Wadia, Clear than PCM63K, but Voice the PCM63K is good than.
I have a mini simply adapter board using two PCM63K fast exchange the AD1864NK,take the time I shot picture show you. the sound style different AD1864NK, I think the AD1864NK for symphonic or Rock is very good and PCM63 for voice is good than.
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