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post #1081 of 1854

Are the op amp upgrades the only improvement with the 'internal amp upgrade' perk? I didn't think those components cost 'that' much, but I could be thoroughly mistaken.

 

I hope that they end up using whatever op amp results in the output with the best measurable properties.


Edited by dclaz - 1/8/14 at 2:39am
post #1082 of 1854

I'd leave worrying about opamps to them. 

post #1083 of 1854
Quote:
Originally Posted by Currawong View Post
 

I'd leave worrying about opamps to them. 


That's an awfully strange perspective when it comes to an upgrade that we'd be paying extra money for. I'd kind of like to know what op amps will be in the standard version and what they'll be using in the 'Internal Amp Upgrade' to make the determination whether or not it's worth my extra money. Seems rational to me, no?

 

Although, admittedly they do seem to be offering tremendous value here and I will likely add the upgrade without knowing exactly which parts they're using. I would just prefer to know...


Edited by nick v - 1/8/14 at 1:59pm
post #1084 of 1854

Larry is also considering a Muses op-amp.

post #1085 of 1854
Quote:
Originally Posted by nick v View Post
 
Quote:
Originally Posted by Currawong View Post
 

I'd leave worrying about opamps to them. 


That's an awfully strange perspective when it comes to an upgrade that we'd be paying extra money for. I'd kind of like to know what op amps will be in the standard version and what they'll be using in the 'Internal Amp Upgrade' to make the determination whether or not it's worth my extra money. Seems rational to me, no?

 

Although, admittedly they do seem to be offering tremendous value here and I will likely add the upgrade without knowing exactly which parts they're using. I would just prefer to know...

 

Now I think of it, only the OPA627 or two best MUSES opamps would actually cost significantly more. I can think of opamps that would sound significantly worse, rather than better than the usual well-known models, but I don't consider it that big of a deal as I used to. It was only cheap, lousy designs I noticed differences in opamps. In good designs all the good opamps sounded about the same.

post #1086 of 1854
Quote:
Originally Posted by germay0653 View Post
 

Larry is also considering a Muses op-amp.

Muse kindly provide me three models totally 10+ pcs to test... TI also sent me some nice samples too...

 

When our EP2 boards comes in with these goodies, it would be FUN to listen.

 

Before I went to CES, I just found another good tweak to make ES9018K-2M sound even better in Geek Out.

I will use that to Geek Pulse as well... 

 

Still in the middle of CES, talking, watching, learning, thinking! 

 

Cheers,

post #1087 of 1854
Thanks for the interesting update Larry. Hope you are having a good time at CES.
post #1088 of 1854
Quote:
Originally Posted by Larry Ho View Post
 

Muse kindly provide me three models totally 10+ pcs to test... TI also sent me some nice samples too...

 

When our EP2 boards comes in with these goodies, it would be FUN to listen.

 

Before I went to CES, I just found another good tweak to make ES9018K-2M sound even better in Geek Out.

I will use that to Geek Pulse as well... 

 

Still in the middle of CES, talking, watching, learning, thinking! 

 

Cheers,

Thanks Larry, good information. Curious, any update on when Geek Out will ship to the original Kickstarter backers? 

post #1089 of 1854
Quote:
Originally Posted by Larry Ho View Post
 

Muse kindly provide me three models totally 10+ pcs to test... TI also sent me some nice samples too...

 

When our EP2 boards comes in with these goodies, it would be FUN to listen.

 

Before I went to CES, I just found another good tweak to make ES9018K-2M sound even better in Geek Out.

I will use that to Geek Pulse as well... 

 

Still in the middle of CES, talking, watching, learning, thinking! 

 

Cheers,

 

Hi Larry, I've been comparing Op-Amps using Fiio E12DIY amplifier for the last few weeks, and I found AD8599 to be one of the best Op-Amps I ever tried so far.

http://sg.mouser.com/Search/ProductDetail.aspx?R=AD8599ARZvirtualkey99990000virtualkey584-AD8599ARZ

 

It really compares well with AD797, if not better.  AD8599 has more low bass, and more transparent and spacious compared with AD797.  Hope you would give it a try :)

post #1090 of 1854

The implementation matters more than the Op-Amp used, different implementations will give different results when comparing op-amps.

post #1091 of 1854
Quote:
Originally Posted by m17xr2b View Post

The implementation matters more than the Op-Amp used, different implementations will give different results when comparing op-amps.
Exactly. That's why I was opposed to having op-amp rolling in the Geek products.

Op-amp rolling = convenience over optimisation.
post #1092 of 1854
Quote:
Originally Posted by earfonia View Post
 

 

Hi Larry, I've been comparing Op-Amps using Fiio E12DIY amplifier for the last few weeks, and I found AD8599 to be one of the best Op-Amps I ever tried so far.

http://sg.mouser.com/Search/ProductDetail.aspx?R=AD8599ARZvirtualkey99990000virtualkey584-AD8599ARZ

 

It really compares well with AD797, if not better.  AD8599 has more low bass, and more transparent and spacious compared with AD797.  Hope you would give it a try :)

If my memory serves me right, AD8599 sounds warm and involving. But need some good caps surrounded to reveal the details. Not a bad choice. :)

 

AD797 is not easy to get it sound right... You need to find a good supporting circuit to give it the justice. 

post #1093 of 1854

Yes!

post #1094 of 1854

Viito just posted this design on the Geek Temple, and oh my god is it gorgeous. I want to put all my votes towards this.

 

 

It has rounded corners, similar to a Mac Mini. So lovely... I'm just going to stare at this for a while now...

post #1095 of 1854
Yeah I saw that. I thought the white on the base was part of the white background, so I thought the unit was "floating" with the black bottom being the only thing keeping it up. XD
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