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iBasso DX90. Dual Sabre, 1st page latest FW download & general information/instructions . . . . .... - Page 320

post #4786 of 7895
Quote:
Originally Posted by Reima View Post
 

What about if I already have the DX50 and FiiO E12DIY amp?

 

Audition a DX90 and decide for yourself. The advantage I see  for getting a DX90 even if I already have a DX50+ amp may be irrelevant to you.

post #4787 of 7895
I've seen people on the x5 thread amping the x5 fir use with iem? Why would one do that? And anyone doing that with the dx90?
post #4788 of 7895
Because it's head-fi. And yes.
post #4789 of 7895
post #4790 of 7895
Quote:
Originally Posted by ojy89 View Post

I've seen people on the x5 thread amping the x5 fir use with iem? Why would one do that? And anyone doing that with the dx90?

I'm thinking they are using line-out with a better external amp.  Not sure how good the amp inside the x5 is.  I know it outputs lots of power, but don't know how clean it is.  So if there is a better amp out there, why not?  Even for iems as you want the cleanest signal in the path as possible.

post #4791 of 7895
Quote:
Originally Posted by SilverEars View Post

I'm thinking they are using line-out with a better external amp.  Not sure how good the amp inside the x5 is.  I know it outputs lots of power, but don't know how clean it is.  So if there is a better amp out there, why not?  Even for iems as you want the cleanest signal in the path as possible.

I see...even for iems?
post #4792 of 7895
Quote:
Originally Posted by ojy89 View Post


I see...even for iems?

Yes, you want good clean signal, and some amps are better outputting clean signal than others.  I'm guessing, you are thinking that since they are iems that they are sensitive enough to be driven by anything.  Yes, they can be driven easily, but at the same time, if you give it better source, it will provide you with better output.  This will matter if you have a very transparent headphone that outputs the signal closest to it's original.  Some phones have more distortion and colors(boost certain frequencies) the sound and therefore not neutral and transparent.  

 

So, a clean amp will be more of a concern if you have a very transparent iem.

post #4793 of 7895
At least for JH16 and Roxanne using my UHA-6SMKII and O2 does not add any perceivable advantage over the HO.
post #4794 of 7895
My SR71-B driving my JH13 balanced adds enough of a difference that I've gone back to a stack. Single ended I wouldn't have bothered and I wouldn't have gone out and bought an amp but since I already had it and all my phones are balanced I'll use it.
post #4795 of 7895
Keep in mind people doing this are either doing so in order to facilitate balanced iems or chasing a tiny increase (or change) in sound signature. We're firmly into diminishing returns territory here.

For me, the possible improvement in sound doesn't warrant doubling the size and weight; and would likely be undone by environmental factors in any event.
post #4796 of 7895
Totally agree. I only use this rig in a hotel room on my very frequent business travels and hollidays (or increasingly at home instead of my big home rig). On the go I just use my iPhone5S with Etymotics HF2
post #4797 of 7895
Quote:
Originally Posted by Pudu View Post

Keep in mind people doing this are either doing so in order to facilitate balanced iems or chasing a tiny increase (or change) in sound signature. We're firmly into diminishing returns territory here.

For me, the possible improvement in sound doesn't warrant doubling the size and weight; and would likely be undone by environmental factors in any event.

Or lowering the output impedance. I bought the DX90 so I could do away with amplifiers. The 3ohm output impedance of my AK120 wasn't bad with my IEMs but adding an amp did help. As much as fancy cables and portable stacks appeal to me aesthetically, I find it a pain in the backside to carry two boxes around when one will suffice.
post #4798 of 7895
Well with the <1 ohm on DX90 that's no problem
post #4799 of 7895
Quote:
Originally Posted by Tony1110 View Post


Or lowering the output impedance. I bought the DX90 so I could do away with amplifiers. The 3ohm output impedance of my AK120 wasn't bad with my IEMs but adding an amp did help. As much as fancy cables and portable stacks appeal to me aesthetically, I find it a pain in the backside to carry two boxes around when one will suffice.

 

How much lower do you need to go than 0.1 Ohm?

post #4800 of 7895

The price fluctuates greatly. I ordered one from Amazon about a month ago but waited until the then post $200 cost came down to $119. I see that it is now back up at $189. So hang on, the price will again be reduced. Not certain what the drivers are for such a change in price, but it does change pretty dramatically.

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