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iFi iDSD Micro DSD512 / PCM768 DAC and Headphone Amp. Impressions, Reviews and Comments. - Page 30

post #436 of 2018
Quote:
Originally Posted by MLGrado View Post
 

 

 

Well, there are a thousand different opinions on upsampling and/or digital filtering.   My opinion is that less is better.  So, sending your files direct into the micro is the way I would do it.  You then have the choice of filtering in DAC.. either 'bitperfect' which does no signal processing, no upsampling, no filtering, etc before sending the data on to the hybrid delta sigma converter, or standard and minimum phase, each of which will 'oversample' all audio as it performs 'anti-imaging' filtering before sending the data to the hybrid delta sigma converter.  

 

So, when you upsample in software, you add extra steps to what already will happen in the DAC itself.  

 

 

All that said, experiment and settle on what sounds best to you.  

 

Have fun

 

Andrew

Thanks for that. No forced upsampling in software, bitperfect filter choice on micro is what is sounding best for now.

 

Now for the DSD filter settings - my personal choice is extended... I found the extreme filter to just subdue the music a bit too much.

post #437 of 2018
Thread Starter 
Quote:
Originally Posted by semeniub View Post
 

Thanks for that. No forced upsampling in software, bitperfect filter choice on micro is what is sounding best for now.

 

Now for the DSD filter settings - my personal choice is extended... I found the extreme filter to just subdue the music a bit too much.

 

 

The different DSD filters have different gains.  Just a consequence of filter design.  The Extreme filter has the most attenuation.  You should be able to just turn the volume up a tick to compensate.

 

But, the filter attenuation combined with the fact DSD average levels tend to be lower than PCM, does mean you can very well run into a gain issue, as in, not enough for some recordings. 

post #438 of 2018
Quote:
Originally Posted by MLGrado View Post
 

 

 

The different DSD filters have different gains.  Just a consequence of filter design.  The Extreme filter has the most attenuation.  You should be able to just turn the volume up a tick to compensate.

 

But, the filter attenuation combined with the fact DSD average levels tend to be lower than PCM, does mean you can very well run into a gain issue, as in, not enough for some recordings. 

It's obvious that because of all the settings that are possible in software and on the micro, you do need to mentally keep track of things so that you don't get frustrated one time playing your favourite recordings. :-)

post #439 of 2018

silly questions. Can I use this as an AMP for my FiiO x5?

post #440 of 2018
Thread Starter 
Quote:
Originally Posted by semeniub View Post
 

It's obvious that because of all the settings that are possible in software and on the micro, you do need to mentally keep track of things so that you don't get frustrated one time playing your favourite recordings. :-)

 

yup.  

 

that said, I just leave mine in Bitpefect/Extreme and forget it.  :)  

 

And I have finally settled on ECO for power.  Standard was really overkill for my headphones, as it turned out.  

post #441 of 2018
Quote:
Originally Posted by blackwolf1006 View Post
 

silly questions. Can I use this as an AMP for my FiiO x5?

yes, nbut you can also run a coax digital cable from the x5 into the iDSD for even better sound.  Use the mini to rca adaptor, and any good coax video/spdif cable.  Or make one yhourself or have someopne do it for you.

 

I really like the combo of the X5 plus micro iDSD driving my viso 50's

post #442 of 2018
Quote:
Originally Posted by blackwolf1006 View Post

silly questions. Can I use this as an AMP for my FiiO x5?

Yeap! There is a 3.5mm line out for X5 and 3.5mm line in for Micro iDSD at the front smily_headphones1.gif

Hope it helps!
Billson xD
post #443 of 2018

 

 

Quote:
Originally Posted by Turrican2 View Post
 

So, anyone with a Micro iCan AND the Micro iDSD.....

 

 

How are you finding the combination? or does the iDSD do just as well on it's own?  I guess I'll find out in a couple of days when I get mine but was curious.  Apologies if this has been mentioned, not up to speed with the thread

so to answer my own question, seems the i-can and the idsd don't want to play ball.  My existing setup is squeezebox touch-->i-Dac-->i-Tube-->i-Can.  The i-DSD potentially replaces this whole rig and more...  I was curious to see if the i-tube would work well with it, so had to introduce the i-can to the loop, i.e. replace i-dac with i-dsd and it was not a happy situation, tonnes of hiss and noise.  I put the i-dsd in Direct mode.  Tried turning that off and lowering the volume but no joy using it purely as a dac.  

 

Lots of listening to the i-dsd versus the rest of my gear coming up.  Only one can stay!!!

 

So far the i-dsd sounds really good, really really good in fact. Currently my iFi stack is out of control (will shrink soon maybe)


Edited by Turrican2 - 8/20/14 at 8:37am
post #444 of 2018
Quote:
Originally Posted by Turrican2 View Post
 

so to answer my own question, seems the i-can and the idsd don't want to play ball.  My existing setup is squeezebox touch-->i-Dac-->i-Tube-->i-Can.  The i-DSD potentially replaces this whole rig and more...  I was curious to see if the i-tube would work well with it, so had to introduce the i-can to the loop, i.e. replace i-dac with i-dsd and it was not a happy situation, tonnes of hiss and noise.  I put the i-dsd in Direct mode.  Tried turning that off and lowering the volume but no joy using it purely as a dac.  

 

Lots of listening to the i-dsd versus the rest of my gear coming up.  Only one can stay!!!

 

So far the i-dsd sounds really good, really really good in fact. I'll add a pic later of my out of control iFi stack (which will shrink soon maybe)

Interesting... I had some good success using the micro iDSD as a DAC in direct mode into an iTube, and then into a preamp. This worked very well. I only have a nano iCAN to try, but I could put it into the chain instead of the preamp to see if I get the same hiss that you did. Please correct me if I've misunderstood.

post #445 of 2018
Mine just arrived! Charging now. Any idea how long it takes to charge with an iPad charger and the included USB 3.0 cable?

Perhaps quicker than 24 hours?!
post #446 of 2018
Thread Starter 
Quote:
Originally Posted by Turrican2 View Post
 

so to answer my own question, seems the i-can and the idsd don't want to play ball.  My existing setup is squeezebox touch-->i-Dac-->i-Tube-->i-Can.  The i-DSD potentially replaces this whole rig and more...  I was curious to see if the i-tube would work well with it, so had to introduce the i-can to the loop, i.e. replace i-dac with i-dsd and it was not a happy situation, tonnes of hiss and noise.  I put the i-dsd in Direct mode.  Tried turning that off and lowering the volume but no joy using it purely as a dac.  

 

Lots of listening to the i-dsd versus the rest of my gear coming up.  Only one can stay!!!

 

So far the i-dsd sounds really good, really really good in fact. Currently my iFi stack is out of control (will shrink soon maybe)

 

 

What filter setting are you using?  Try changing from Bit Perfect to another choice and see if the hiss goes away.  

post #447 of 2018
Quote:
Originally Posted by MLGrado View Post
 

 

 

What filter setting are you using?  Try changing from Bit Perfect to another choice and see if the hiss goes away.  

tried all the settings didn't seem to make a difference.  I'll probably do some more thorough testing this weekend when I have more time.

post #448 of 2018
Quote:
Originally Posted by semeniub View Post
 

Interesting... I had some good success using the micro iDSD as a DAC in direct mode into an iTube, and then into a preamp. This worked very well. I only have a nano iCAN to try, but I could put it into the chain instead of the preamp to see if I get the same hiss that you did. Please correct me if I've misunderstood.

I too used the nano i-dsd with the i-can and i-tube, it worked well although I much preferred the i-dac.

post #449 of 2018
Quote:
Originally Posted by Turrican2 View Post
 

so to answer my own question, seems the i-can and the idsd don't want to play ball.  My existing setup is squeezebox touch-->i-Dac-->i-Tube-->i-Can.  The i-DSD potentially replaces this whole rig and more...  I was curious to see if the i-tube would work well with it, so had to introduce the i-can to the loop, i.e. replace i-dac with i-dsd and it was not a happy situation, tonnes of hiss and noise.  I put the i-dsd in Direct mode.  Tried turning that off and lowering the volume but no joy using it purely as a dac.  

 

Lots of listening to the i-dsd versus the rest of my gear coming up.  Only one can stay!!!

 

So far the i-dsd sounds really good, really really good in fact. Currently my iFi stack is out of control (will shrink soon maybe)

I have the same Tower of Power. No hiss from my Momentums. I am happily running the micro i-DSD in the stack in as we speak. The wife likes it too - that is saying something :darthsmile:

post #450 of 2018
Thread Starter 
Quote:
Originally Posted by Turrican2 View Post
 

tried all the settings didn't seem to make a difference.  I'll probably do some more thorough testing this weekend when I have more time.

 

Oh okay.

 

Are you running the Squeezebox via Coax or USB?

 

 

Also, iFi customer support is grade A+ open a ticket and I am sure if it can be fixed, it will be.


Edited by MLGrado - 8/20/14 at 10:28am
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