DAC ES9038 PRO GR 2

[scooby555]

display problem cannot decode dsd

dear Quang Hao,

the dac works only with cd optical or coax , when streaming dsd get strange display , what could that be ? and no sound !!!

 

[quanghao]

Just finished my dac, but I have noise on the single ended output that i'm still troubleshooting.

What noise ???

can you describe in detail ???

Thanks

 

[quanghao]

No , I have not started yet, don't know how to do it , but I expect some help from the designer.

What do you want I hepl you now??

 

[quanghao]

dear Quang Hao,

the dac works only with cd optical or coax , when streaming dsd get strange display , what could that be ? and no sound !!!

This happens when you turn on the power switch too quickly and continuously. LCD takes 10 seconds to reset.

Thanks

 

[quanghao]

Very sad day for me , connected the DAC and I got smoke, I knew it this was coming . Now Troubleshooting nightmare!!

You can sent all to me??
I will finis all free for you??

Thanks

 

[uptick]

I'm blind, I don't see the price of the Tube output stage??

 

[quanghao]

I'm blind, I don't see the price of the Tube output stage??

this image you can see !
thanks

 

[Algar_emi]

Quanghao you have mail. Thanks
SB

 

[quanghao]

Quanghao you have mail. Thanks
SB

i was reply you in e-mail!

thanks

 

[Yasioo]

Hi guys.

Meaby some of you test LL7401 with super i/V ???

Thanks.

 

[onepiece01]

Hi Quanghao,
i sent you a PM about that, I waiting receive any answer...


Thanks
NATTAPON

 

[surfatwork]

What are the output stage options? How do we buy an output stage?

 

[szczemirek]

Thank you Quang for your support and service. DAC landed in house and playing well again 😉

 

[onepiece01]

Hi Quanghao,
i sent you a PM about that, I waiting receive any answer...


Thanks
NATTAPON

 

[nagini262]

I upgraded the QuangHao dac with the best parts that I have in my stock, the sound quite good and absolutely better than original 🙄

 

[szczemirek]

I upgraded the QuangHao dac with the best parts that I have in my stock, the sound quite good and absolutely better than original 🙄

Well done but is worth?

 

[quanghao]

Thank you Quang for your support and service. DAC landed in house and playing well again 😉

Thank you very much!!!

 

[quanghao]

Hi Quanghao,
i sent you a PM about that, I waiting receive any answer...


Thanks
NATTAPON

I was reply to you! Thanks

 

[quanghao]

What are the output stage options? How do we buy an output stage?

In my web: Quanghao.com

Thanks

 

[yos75]

Hello Group,

I hv to sell:
1) DAC module assembled and tested with all components:
- ES9038PRO chip,
- CCHD-575 Ultra-Low Phase Noise Crystal Oscillator: Ultra-low phase noise CMOS oscillator provides 168-dBc/Hz noise floor | Electronics EETimes
- 7 x LT3042 linear power supply regulator 1uV noise
- 5 x LT1117 linear power supply regulator.
- All input connectors
- BUT NO OUTPUT STAGE

2) DAC controller- Encorder + 4 x 20 LCD:
see video for LCD: YouTube
20x4 LCD
Infrared remote command
Remote silver
All connectors

PRICE for 2: 500USD + shipping from Poland

I bought these modules in BuyGroup1 (you can check it there for my order). I never found time to finish this project. They sit in a box since I bought them. They are in original state never used or even powered on. Hope someone can have some joy finishing what I could not.

regards,
Przemek