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#1 |
diyAudio Member
Join Date: Nov 2017
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Hi, this is my first post in this forum. I have a short question: Do any of you have any experience with this ES9038Q2M board?
ES9038 Q2M DAC DSD Decoder Support IIS DSD 384KHz Coaxial Fiber DOP | eBay |
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#2 |
diyAudio Member
Join Date: Aug 2008
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Yes, the last few pages of this thread detail it...
Chinese ES9018K2M I2S DAC from about post #191 onwards.... |
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#3 |
diyAudio Member
Join Date: Nov 2017
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Thank you Drone7! Interesting review, sounds like you like it, thank you very much.
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#4 |
diyAudio Member
Join Date: Nov 2017
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Drone7: What kind of powser supply are you using with this board?
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#5 |
diyAudio Member
Join Date: May 2014
Location: Poland
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It is great board!
I got it. Rpi-> hifiberry digi+ pro -> es9038q2m board. Powered by Salas Reflector D 5V, -/+15V. Works great! |
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#6 |
diyAudio Member
Join Date: Nov 2017
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You have an interesting setup. I am planning to use the board connected to the Toslink on the sound card of my PC. What do you have after the ES9038Q2M (amp, speaker and/or headphones)? Have you tested other DACs with your system?
I have not decided on the power supply yet, maybe I will start with this for 15 USD: JDS Labs - 15VAC Power Adapter or something like this for 35 USD: STUDER900 15W Regulated PSU DC Linear power supply 5V 6V 7V 9V 12V 15V 18V 24V | eBay The DAC output will go to directly to my speakers: LSR305 Products | JBL Professional I building my own chassi, it will be similar to this design but in aluminum: M-Audio |
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#7 | ||
diyAudio Member
Join Date: Aug 2008
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@squinones
The board arrives set up for dual rail supply +15 0 -15 volts and the supplies you have linked are single rail. +15 0 volts It can be run on single rail but you will have to do some soldering and desoldering on the board at J8 through J10. From the sellers description... Quote:
Quote:
@TioFrancotirador you are using dual rail too ? I see you posted in the Volumio forums...did you get i2s working with Raspberry pi and what settings did you use ? Last edited by DRONE7; 21st November 2017 at 06:21 PM. |
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#8 |
diyAudio Member
Join Date: May 2014
Location: Poland
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Regardless of DAC powering is everything. At least you should use dual rail -/+15V. Then if you want to go further desolder onboard 8V reg and power it from separate offboard regulator.
I am using Salas Reflector Ds (-/+15V and 8V) for powering since I consider them as best regs! I am using Rpi3 with hifiberry digi+ pro. Although Es9038q2m works in asynch mode, it does not do the all job well. Its final quality still depends on I2S signal quality and it works much better with hifiberry digi+ pro than without it. Also onboard opamp is so, so and might be replaced with better one. |
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#9 | |
diyAudio Member
Join Date: Aug 2008
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Yes, I am building dedicated supplies too but interim using some dual switching with buck step-down and a lot of C for smoothing..
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What o/s and which overlay/driver ?? I am still trying to get it to lock and produce sound with any driver/overlay... tried on MoOde and Volumio. Any info appreciated. However, usb to i2s works fine. ![]() As does toslink and coax from other sources (cd player, tv box etc.) |
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#10 |
diyAudio Member
Join Date: May 2014
Location: Poland
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I am using Volumio with chosen hifiberry digi+ pro as I2S dac in configuration. That's it. It works.
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