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DX90. 2X Sabre,1st page: Downloads, info&inst. . ! Lurker0 FW Mod link 1st page !!. .NEW FW! 2.3.0 . . . . . - Page 639

post #9571 of 13841
Quote:
Originally Posted by EVOLVIST View Post

Well, I've experimented again with it...just a little, on low gain, but I really had to crank my amp...which isn't a good sign for the amp.

I'm getting a much better sound out of it.

I demoed Neil Young's "Tonight's the Night" and A/B it against my old rig. Yes, I think the DX90 is an upgrade, so I don't think it's about pairing. I chose that song because of it's funky dynamics, and anytime the tape hiss doesn't sound strident, I think you're on to something as a reference sound.

So, basically I'm thinking I just need a very good amp, one that will stay clean and transparent, while leaving the DX90 on low gain.

Really, I'm thinking the DX90 is pretty good kit for converting a digital signal.

I'll just go ahead and let it burn in for about 10 more days after this without touching it and see how it goes. This is fun!

If you use an external amp the gain setting doesn't matter as it only affects the head out not the line out
post #9572 of 13841
Quote:
Originally Posted by EVOLVIST View Post


Well, I've experimented again with it...just a little, on low gain, but I really had to crank my amp...which isn't a good sign for the amp.
 

 

Are you maxing out the DX90 volume to 255 when you go through line out using an amp? That's the right way to do it. And as said above gain does not affect the line out, but the volume setting does and should be maxed.

post #9573 of 13841
Quote:
Originally Posted by nc8000 View Post


If you use an external amp the gain setting doesn't matter as it only affects the head out not the line out


Hmmm...yes, I noticed that after the fact.  Thanks for the follow up!  I think I'm going to upgrade to the SPL Auditor for my amp.  Either way now, I can use my tube DAC of the DX90 as my DAC and get the sound I'm looking for.  I have both options.  It's interesting, but the DX90 sort of gives off a slight tube sound (or should I say, very analog?) without much colorization. I don't like an overly colored sound, otherwise I wouldn't have bought the HD800s out of all the cans I demoed.

 

Like I said, this has been a fun experiment without spending too much cash in the process.  The sibilant sound I had previously described must have been inherent in the mix/mastering of my source.

post #9574 of 13841
Quote:
Originally Posted by T.R.A.N.C.E. View Post
 

 

Are you maxing out the DX90 volume to 255 when you go through line out using an amp? That's the right way to do it. And as said above gain does not affect the line out, but the volume setting does and should be maxed.

 

Yeah, totally maxing out the DX90 volume. I'm pretty sure I'm going to love the DX90 with a proper amp that can drive my cans right without upping any gain. Even without a full burn in I can tell that I made the right choice, because of these dual chips and quality buffers in the DX90.

 

I see you have a pair of DT 770s. I have a pair of the 80ohm cans. I need to try those out again. How do you like them?


Edited by EVOLVIST - 12/6/14 at 1:56am
post #9575 of 13841

I love my pair of DT770 32ohm, though the 80ohm are said to sound different than the other DT770's due to the removal of the bass reflex design in the cups, so they have increased bass quantity and less mids.

post #9576 of 13841
I can say e12diy with muses02 is a very good upgrade to dx90 internal amp. I'm using it with le3sw, so I think e12a should be also a very good amp when pairing with iems.
Edited by kamson - 12/6/14 at 3:33am
post #9577 of 13841

^ I'm of the opinion that your amp is only changing the sound signature, rather than increasing quality, or if it is increasing quality in some respect there will still be a downside elsewhere. I seem to feel that anytime I use an external amp something is lost that I can't quite put my finger on, I suppose I'd call it liquidity or transparency, I think it largely has to do with having to use an interconnect cable, I just feel that the DX90 amp has been designed very well to work with the rest of the player. I've tried my amp with muses02 and while it sounds better in some ways, the internal amp also has its own positive attributes, so its just "different" for me personally. I find the Muses opamps to work very well with iems, but they sound bad with my headphones for some reason. The DX90 internal amp is just very versatile and deceivingly powerful for its size. 

post #9578 of 13841

Yes, you are right. Sound signature is being changed because of different opamps + buffers, but if you look at both designs you will see one important difference - power rail. Dx90 has single one and e12diy has double (+-11V). That's why you don't have many problems such as capacitors pairing. So all in all I still think the quality can, and in my opinion is better :) But as always I can be wrong :)

post #9579 of 13841

I thought the DX90 is +/- 5v with dual power rails, the opamps obviously need a + and - rail.

post #9580 of 13841
Quote:
Originally Posted by nc8000 View Post


If your main use is as a pc dac you have possibly bought the wrong device. The DX90 is first and foremost a dap that (with some difficaulty) happens to work as a dac. In my oppinion iBasso should never have mentioned that it would also be a dac but hindsight is always perfect

 

You are right...but if iBasso says it works and provides a driver...the average paying customer expects some joy.

 

On another topic, the current DX90 reduced price is tempting...but I can't invest until they fix the cutout problem.  I'll have to keep slumming with my poor old discontinued DX100.... 

post #9581 of 13841
Quote:
Originally Posted by T.R.A.N.C.E. View Post

^ I'm of the opinion that your amp is only changing the sound signature, rather than increasing quality, or if it is increasing quality in some respect there will still be a downside elsewhere. I seem to feel that anytime I use an external amp something is lost that I can't quite put my finger on, I suppose I'd call it liquidity or transparency, I think it largely has to do with having to use an interconnect cable, I just feel that the DX90 amp has been designed very well to work with the rest of the player. I've tried my amp with muses02 and while it sounds better in some ways, the internal amp also has its own positive attributes, so its just "different" for me personally. I find the Muses opamps to work very well with iems, but they sound bad with my headphones for some reason. The DX90 internal amp is just very versatile and deceivingly powerful for its size. 

How about going from the DX90 HO to an amp to a least ensure you've captured the DX90 amp sisignature before you fiddle with another source? To the DX90 there should be no difference in what output you use, with the volume maxed, right? 3.5mm to RCA. 3.5mm to XLR...or whatever gets the job done.
post #9582 of 13841
Thread Starter 
Quote:
Originally Posted by wolfen68 View Post
 

 

You are right...but if iBasso says it works and provides a driver...the average paying customer expects some joy.

 

On another topic, the current DX90 reduced price is tempting...but I can't invest until they fix the cutout problem.  I'll have to keep slumming with my poor old discontinued DX100.... 

I get zero cutout/dropping of sound. Having said that, the DX100 is still one of the best daps I have heard. Airy, transparent, dynamic and very open. I do use the Dx90 a lot for the size and also, what I consider, a very fine sound. 

post #9583 of 13841

As i said, I can't get the mango HiFI device to show up in device manager under sound controllers . I am trying to install it manually- I load USB DAC folder/mango_ad/mango_ad.inf and install. At the end of the installation it says: "The system cannot find the path specified". What can i do? I asked iBasso and they just give me the manual...

Edit: When trying to reinstall MangoUSB interface in the device manager it tells me that it's allready installed and i get this maessage: "this device is not working properly because windows cannot load the drivers required for this device"


Edited by GustavMahler - 12/6/14 at 9:47am
post #9584 of 13841
Quote:
Originally Posted by borrego View Post
 

 

 

I find Lurker's FW2.1 with Gapless On is very grainy. Turn off Gapless will smooth things out and improve clarity a bit.


is this true ? i have always gapless ON

 

 

can anyone pinpoint the SQ differences between the V2.1.0 and V.2.1.5 by Lurker ?

which one is the most neutral/balanced/musical ?


Edited by proedros - 12/6/14 at 10:35am
post #9585 of 13841
Thread Starter 
Quote:
Originally Posted by proedros View Post
 


is this true ? i have always gapless ON

 

 

can anyone pinpoint the SQ differences between the V2.1.0 and V.2.1.5 by Lurker ?

which one is the most neutral/balanced/musical ?


I like the latest. I never heard any graininess with 2.1.0 Lurker0 but I am non 2.1.5 L2 now and find it great in all areas. 

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