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Old 15th January 2018, 02:15 AM   #91
Lo_Tse is offline Lo_Tse  Canada
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Join Date: Dec 2006
Just found this thread and scanned through all the pages. Has anyone tried to use this board with a USB to IIS card, such as an Xmos U8?

Regards,
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Old 15th January 2018, 05:18 AM   #92
madds1 is offline madds1
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Join Date: Oct 2010
Quote:
Originally Posted by Green77 View Post
If you solder a bridge over the dc blockning caps in the signalpath do you have to desolder the smd resistors also?

BR //Daniel
I just left the resistors untouched. THS4032 can't drive capacitive loads. They tend to oscillate and heat up. Leaving the resistors (think it is 1K || 470 = 320 ohms) adds to the output impedance but helps with driving the cable capacitance.

THS4032 has never worked for me in a preamp or a IV stage but as a DAC voltage buffer - it is perfect.
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Old 15th January 2018, 06:49 AM   #93
androa76 is offline androa76  Slovenia
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Location: Maribor
Have you tried any other opamp? What is difference THS vs original NExxxx.?
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Old 15th January 2018, 08:49 AM   #94
DRONE7 is offline DRONE7  New Zealand
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Join Date: Aug 2008
Quote:
Originally Posted by Lo_Tse View Post
Just found this thread and scanned through all the pages. Has anyone tried to use this board with a USB to IIS card, such as an Xmos U8?

Regards,
This thread references a number of different boards.... post a link to the one you are enquiring about for a targeted reply.

I use this xmos u8..
NEW XMOS U8 USB 384K 32B module I2S SPDIF output,support DSD for es9018 DAC | eBay

With this dac..
ES9038 Q2M DAC DSD Decoder Support IIS DSD 384KHz Coaxial Fiber DOP | eBay
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Old 15th January 2018, 11:59 AM   #95
Blackfear is offline Blackfear
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Join Date: Nov 2015
Quote:
Originally Posted by androa76 View Post
Have you tried any other opamp? What is difference THS vs original NExxxx.?
Hello, i have tried AD823, LME49720,OPA2132, now i stay with LME... for me it seems that it gives sligtly more power out than AD...and it has sligtly smoother sound then AD...waiting for OPA627, generally sound of this DAC is very open, rich and full of detail maybe too much transparent for my assembly, previous combos Rpi3+Kali+Mambo LS or Rpi3+Kali+Allo 2.1 or Rpi3+Kali+ES9028q2m from Audiophonics werent so open and transparent, 9028 was close to 9038, but details, dynamics through whole spectrum is better from 9038q2m also paired with Kali, overall sound from ES9023 to 9028 to 9038 is very detailed, i would like to try any 9028pro or 9038 pro through i2s with KaliReclocker onro Rpis3, but maybe in future, also was thinking on AKM4495 or 4497 but there is reported some problems (pops and clicks distortions) during switching PCM or DSD sample rates (same problem with ES9028q2m but now it is supposedly solved..)
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Old 15th January 2018, 12:37 PM   #96
Blackfear is offline Blackfear
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Join Date: Nov 2015
PS: I am running onto DietPi + Moode Beta
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Old 15th January 2018, 12:43 PM   #97
terry22 is offline terry22
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Join Date: May 2017
Quote:
Originally Posted by Blackfear View Post
PS: I am running onto DietPi + Moode Beta
what driver are you using with moode beta?
rpi-dac?
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Old 15th January 2018, 12:50 PM   #98
Blackfear is offline Blackfear
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Join Date: Nov 2015
Quote:
Originally Posted by terry22 View Post
what driver are you using with moode beta?
rpi-dac?
need to look into dietpi settings but when I am home... so please wait
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Old 15th January 2018, 02:18 PM   #99
terry22 is offline terry22
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Join Date: May 2017
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Originally Posted by Blackfear View Post
need to look into dietpi settings but when I am home... so please wait
Thanx
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Old 15th January 2018, 03:06 PM   #100
Blackfear is offline Blackfear
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Join Date: Nov 2015
Quote:
Originally Posted by terry22 View Post
Thanx
Hello, in dietpi i had selected no driver = just left rpi-2835 (I left it without change after installation...), but in moode driver selection i choosed audiophonics 9028q2m, so it is strange that Moode takes control over dietpi driver (now I am thinking about it...) ? but it works, also tried to switch in dietpi config onto i-sabre-2km driver then restart and no sound so then i had to go into moode driver and to select audiophoincs 9028q2m, tehn reboot and it works again...strange

Last edited by Blackfear; 15th January 2018 at 03:31 PM.
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