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Quanghao Audio Design Quanghao Audio Design is a producer of DIY Audiophile Kits and PCB boards, selected from many listening tests!

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Old 23rd April 2017, 11:12 AM   #61
prinzinio is offline prinzinio  Poland
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Quanghao,

How can I omit the input selector if I want to use only one spdif input through rx0 ?
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Old 6th February 2018, 02:21 AM   #62
quanghao is offline quanghao  Viet Nam
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DAC-END 24 (AD1865 NOS DAC ) Send a message via Yahoo to quanghao DAC-END 24 (AD1865 NOS DAC )
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Originally Posted by prinzinio View Post
Quanghao,

How can I omit the input selector if I want to use only one spdif input through rx0 ?
No can remove it!

thanks
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Old 22nd June 2018, 09:05 AM   #63
longpcb is offline longpcb  Viet Nam
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Hi quanghao! congratulations for your new DAC!
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Old 30th December 2018, 09:44 PM   #64
minde7706 is offline minde7706  Lithuania
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Finally finished my DAC END 24, sounds fantastic now I can hear more details, very pleased with results. at begining I had hum issues, then I check all my wiring again, but no sucsess. hum issues I had on DAC pcb solderred ballanced input connector, one of two holding screw holes gas ground connection. Is there anyone else had same issues? thank you.
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Old 31st December 2018, 08:26 AM   #65
quanghao is offline quanghao  Viet Nam
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Originally Posted by minde7706 View Post
Finally finished my DAC END 24, sounds fantastic now I can hear more details, very pleased with results. at begining I had hum issues, then I check all my wiring again, but no sucsess. hum issues I had on DAC pcb solderred ballanced input connector, one of two holding screw holes gas ground connection. Is there anyone else had same issues? thank you.
it is very nice!

What your hum??
thanks
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Old 31st December 2018, 08:40 AM   #66
minde7706 is offline minde7706  Lithuania
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Hi Quanghao, hum causes balaced input socket screw. I had to remove screw temporary to avoid hum.
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Old 1st January 2019, 09:09 PM   #67
minde7706 is offline minde7706  Lithuania
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Happy new year!! output pcb board is marked where is left and right channels, however it doesn’t match with quanghao’s dac end 24 assembled unit. is there any mistakes during pcb print? pictures attached
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Old 2nd January 2019, 01:39 PM   #68
quanghao is offline quanghao  Viet Nam
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Originally Posted by minde7706 View Post
Hi Quanghao, hum causes balaced input socket screw. I had to remove screw temporary to avoid hum.
HI!

yes, in chassis, so you need on GND connect to earth ( chassis).

please take out off in the BNC ( DAC -aes in)

thanks
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Old 2nd January 2019, 01:40 PM   #69
quanghao is offline quanghao  Viet Nam
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DAC-END 24 (AD1865 NOS DAC ) Send a message via Yahoo to quanghao DAC-END 24 (AD1865 NOS DAC )
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Originally Posted by minde7706 View Post
Happy new year!! output pcb board is marked where is left and right channels, however it doesn’t match with quanghao’s dac end 24 assembled unit. is there any mistakes during pcb print? pictures attached
Hi again!

this one board IV! thanks
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