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DAC-END R (ES9018) full assembled board

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A

audiodesign

Banned
Joined 2005
Maxwell said:
Hello all
I have been very busy so have only just begun trying to assemble my DAC. It is an early model so I will have to make all the modifications. Never mind, this is DIY so its all part of the fun LOL
I have one question (I promise I have searched and in fact have read through the whole thread to get up to speed). I am trying to upgrade the Amenero firmware as per instructions on here:
ES9018 USB DAC - Hi-Resolution System*
But it is not clear to me where to obtain latest firmware (1.58?)
I am running ConfigOEM109.exe, 'Firmware Update' tab.
The only firmwares listed in the drop down list (next to 'Download firmware' button) are
firmware 1074
firmware 1080
bitclk_test

So where do I get firmware 1.58?

Cheers
Click to expand...


load the firmware 1080
 
S

smoothquark

Member
Joined 2010
rredline said:
Nice setup!
Noticed that you have cut the AES push pin... without the designated tool, it really is a pain to take out! I've decided not to put it back after it was out.
Consider using an EMI filter to suppress power noice?
Click to expand...

I am thinking of some mods but will require the back panel rremoving. I presume I would need this "tool" to remove the AES push pin if I want to remove the back panel? Where can I get this tool? Thanks.
 
H

Halook

Member
Joined 2009
smoothquark said:
I am thinking of some mods but will require the back panel rremoving. I presume I would need this "tool" to remove the AES push pin if I want to remove the back panel? Where can I get this tool? Thanks.
Click to expand...

Insert a small flat screw driver here and keep pushing downward, then pull the pin out from the front.
 

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S

smoothquark

Member
Joined 2010
Andrea, any progress on the updated standby firmware? Still keen on a 12V trigger to turn my amplifier on and off, but would require a delay so that the amp turns on after the DAC (1 sec?) but turns off before the DAC. There are a few pins and jumpers on my controller board but without the schematics, cannot tell whether I can use any of them easily.
 
A

audiodesign

Banned
Joined 2005
smoothquark said:
Andrea, any progress on the updated standby firmware? Still keen on a 12V trigger to turn my amplifier on and off, but would require a delay so that the amp turns on after the DAC (1 sec?) but turns off before the DAC. There are a few pins and jumpers on my controller board but without the schematics, cannot tell whether I can use any of them easily.
Click to expand...

This evening I am working for you on standby environment and firmware.
 
M

Maxwell

Member
Joined 2003
audiodesign said:
Have you seen my modification on output stage to bypass the voltage amplifier (first op-amp) and use only the differential (the second op-amp) ?
Click to expand...

Hi Andrea. You mean like your schematic in post 1859 - the second circuit in that post?
Is OPA2134 the recommended opamp or can we try other dual opamp?
Has anybody tried this circuit with other opamps?
Thanks
 
T

TarnishedEars

Member
Joined 2013
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