Asus Essence One Headphone Amp/DAC (CeBIT 2011)
Feb 12, 2013 at 12:26 PM Post #1,396 of 3,573
Quote:
This is me most of the time.
 
 
Life before electronics:

 
Stepping into electronics: moding

 
Sucesssful with modding Essence One:

 
Updates Results:

 
 
 
Tim

I knew it, I knew it, I had the suspicion from the beginning, but now you proved me right...
tongue.gif

 
Feb 12, 2013 at 12:27 PM Post #1,397 of 3,573
Quote:
Yes, i remember that smell.
 
The complete opposite of buying a new car.
Just like the good car smell fades away, this till also go away within a month.
I assume it's the black coat layer that used to paint over the steel and aluminum.
 
Tim

 
I have repurchased my E1 three times before I decided to keep it... some may think I only did it because of dat smell...
 

 
Feb 12, 2013 at 12:28 PM Post #1,398 of 3,573
Quote:
Yes, I also think so.
Any new updates/photos for your project?
I will have to find the time to open it and take some pictures, just I am so lazy, my German bear and Australian carrots witness to this.

Not really.
Too busy with being a junior in college.
 


Small PCI-E Cable change.
four 24AWG Wires, in litz round braid equaling 15AWG. 
Helps elimite some EMI from the transformer that may affect the DC output cable. maybe. iono.
 
Tim
 
Feb 12, 2013 at 12:29 PM Post #1,399 of 3,573
Quote:
 
I have repurchased my E1 three times before I decided to keep it... some may think I only did because of the smell...
 
 
 

Joking aside, really?
 
Feb 12, 2013 at 12:30 PM Post #1,400 of 3,573
Quote:
 
I have repurchased my E1 three times before I decided to keep it... some may think I only did because of dat smell...
 

Either that or you were trying to get a better deal.
 
I know that feeling bro.
 

 
Tim
 
Feb 12, 2013 at 12:34 PM Post #1,401 of 3,573
Quote:
Either that or you were trying to get a better deal.
 
I know that feeling bro.
 

 
Tim


THIS
 
I ended up with a used (but good as new -mint-) deal from amazon marketplace. Really good price...
 
and don't forget dat smell...
 
Feb 12, 2013 at 2:48 PM Post #1,402 of 3,573
I feel a little lacking is bass, time to add the ad797's to headphone and rca buffer.
 
Feb 12, 2013 at 3:07 PM Post #1,404 of 3,573

 
It's a real blessing to swap those opamps. I can even do it with my fingers.
Unlike those....
 

 
Feb 12, 2013 at 3:44 PM Post #1,406 of 3,573
Quote:
Is that a single ad797? Why did you get the single ad797, the one needs dual.


Nah, i got the dual one. Don't worry.
Just a quick search for a pic from google.
 
Feb 12, 2013 at 3:57 PM Post #1,407 of 3,573
To ASUSXONAR,
Can we get a comment on the issue around frequency drop off with upsampling using the TosLink and Coaxial inputs as reported on this post:
http://www.head-fi.org/t/542563/asus-essence-one-headphone-amp-dac-cebit-2011/1230#post_9113301
 
The early frequency drop off is noticeable and limits the potential use of the upsampling feature yet it's fine with the USB input. Thanks.
 
Feb 12, 2013 at 4:42 PM Post #1,408 of 3,573
Quote:
To ASUSXONAR,
Can we get a comment on the issue around frequency drop off with upsampling using the TosLink and Coaxial inputs as reported on this post:
http://www.head-fi.org/t/542563/asus-essence-one-headphone-amp-dac-cebit-2011/1230#post_9113301
 
The early frequency drop off is noticeable and limits the potential use of the upsampling feature yet it's fine with the USB input. Thanks.

Let's make an emphasis on this, so we can fix as many driver issues as possible.
 
So it's only happening in Toslink and Coaxial right?
 
Tim
 
Feb 12, 2013 at 5:11 PM Post #1,410 of 3,573
Quote:
Careful, the AD797 oscillates like crazy in the buffer slot. When you put it into the headphone buffer play with the volume knob and you'll hear a whooshing sound.

i have a 0.1uF bypass film cap on it.
 
Not much woosh that i can hear.
 
Tim
 

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