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Geek Pulse: Geek desktop DAC/AMP by Light Harmonics - Page 9

post #121 of 1944
Quote:
Originally Posted by FraGGleR View Post
 

Honestly, I hope they don't go with the larger desktop 9018.  It is very difficult to get to sound right and for a $500 ($249 for early backers) device this small, I would rather them use a chipset much better suited to the product and one that they already like the sound of.  There would have to be compromises somewhere.  

 

+1

At $249 would rather see the portable 9018 go right than the desktop version go wrong.

post #122 of 1944
Quote:
Originally Posted by akarise View Post
 

I'm not sure if this was mentioned before, but how long does the special $199 deal for the Geek Out backers last? Is it until the end of the campaign?


I'm also wondering this!

post #123 of 1944

Well the Pulse will be priced at more than 2x the price of the base Geek Out, so I'm hoping for good implementation of the Sabre 9018 desktop chip and balanced outputs.

post #124 of 1944
The ConceroHD/HP uses the mobile ES90182kM, just like the current prototype of the Pulse, and all reviews are very positive, maybe even rave!

I don't see it as a bad thing to keep using the same chip. It's all about how it is implemented. The ES9018 has been implemented in many DACs in many price points from $800 to $5000 and they don't sound the same because of their implementation. The new Pulse should sound better thanks to the use of bigger and higher performing parts that would allow LH to get the most out of it. And that's where the extra money over the Geek is going I believe.

I used to think that they should change to the desktop too, but the more I think about it, the more I tend to echo what others have said... I rather have the best a 90182KM DAC can be than a ES9018 gone wrong or with limitations that would prevent it from achieving its best performance.

NOW, If Larry Ho and the rest of the team manages to put the desktop es9018 in there and get better performance than they could ever get out of the ES90182KM given the design limitations... Bring it ON!!
post #125 of 1944
I do wonder how is it going to play DSD... Is it through ASIO or DoP?

I also think that one of the most important things here are solid drivers so we don't get problems when switching between different sample rates of PCM and DSD
Edited by eliwankenobi - 10/31/13 at 9:47am
post #126 of 1944
Quote:
Originally Posted by FraGGleR View Post
 

Honestly, I hope they don't go with the larger desktop 9018.  It is very difficult to get to sound right and for a $500 ($249 for early backers) device this small, I would rather them use a chipset much better suited to the product and one that they already like the sound of.  There would have to be compromises somewhere.  

 

Whichever works best...

post #127 of 1944

Could someone elucidate the differences between the mobile and desktop chipsets?

I tend to agree that implementation is more important than the exact silicon chosen

post #128 of 1944
Quote:
Originally Posted by sbradley02 View Post

Could someone elucidate the differences between the mobile and desktop chipsets?
I tend to agree that implementation is more important than the exact silicon chosen

Here: http://esstech.com/index.php?p=products_DAC

In essence the mobile version is only stereo instead of 8ch and has a little less snr... But still pretty good. Other than that, less power consumption and smaller size. If there is something more, I missed it
Edited by eliwankenobi - 10/31/13 at 1:15pm
post #129 of 1944
Quote:
Originally Posted by eliwankenobi View Post


Here: http://esstech.com/index.php?p=products_DAC

In essence the mobile version is only stereo instead of 8ch and has a little less snr... But still pretty good. Other than that, less power consumption and smaller size. If there is something more, I missed it


Yes. The SNR difference is completely meaningless in the real world. There was a mention in the desktop chip about Time Domain Jitter Eliminator. Maybe that is a real difference.

post #130 of 1944

This thing is too cool.  I think I'll buy one for my daughter and when she doesn't use it I will for late night listening off the laptop instead of the Liquid Fire!

post #131 of 1944
Quote:
Originally Posted by Icenine2 View Post
 

This thing is too cool.  I think I'll buy one for my daughter and when she doesn't use it I will for late night listening off the laptop instead of the Liquid Fire!

I would love to read a comparison of the two :D

 

The Liquid Fire is my favorite headphone amp, but I haven't had a chance to direct compare it to the other amp I have really been impressed with recently.

post #132 of 1944

Already contemplating what to sell off and when in anticipation of this guy.

post #133 of 1944
Thread Starter 

I am not an engineer, in another forum Larry Ho was talking that his system (Geek Pulse)  is full quad phased balanced. Any light of this?

post #134 of 1944

Set phasers to FULL QUAD BALANCED!!!


Sorry, I know that wasn't helpful.

post #135 of 1944
Quote:
Originally Posted by sbradley02 View Post
 


Yes. The SNR difference is completely meaningless in the real world. There was a mention in the desktop chip about Time Domain Jitter Eliminator. Maybe that is a real difference.

 

The ES9018-2KM also has the Time Domain Jitter Eliminator.  (check here: http://esstech.com/PDF/ES9018-2M%20PB%20Rev%200.8%20130619.pdf)

 

But I believe most of the recent DACs that use the Desktop ES9018 have that feature disabled and choose to use the chip in synchronous mode with an external clock from any of the asynchronous USB implementations.  People find that running the chip that way with a very low noise power supply are key in getting the best performance out of the chip.

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