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JDS Labs C5/C5D (pg96) portable amp/amp+DAC appreciation + discussion thread - Page 64

post #946 of 2704
Quote:
Originally Posted by miceblue View Post

Yes but a measured flat frequency response does not equate to what you hear. The FiiO E11, and most likely the E12 successor, measures perfectly flat too from Innerfidelity's amp measurements, as do pretty much every solid-state amplifier nowadays, yet they sound warm and the treble is laid-back relative to the O2; the house FiiO sound signature.

 

In terms of frequency response I disagree.  I find everything I've ever seen measured from a good source matches what it should sound like perfectly... again, in terms of frequency.  If you consider other factors than of course that won't give you the exact sound just by looking at a graph.  But you need to be able to differentiate the other traits from the frequency response and describe them accordingly.  I can't speak for every graph maker, as some try to "compensate" certain things, but I do believe an amp can have the same FR curve and sound different.  However, I would be able to tell the FR is the same.  Just like my ipod to my c5.  They don't sound the same.  But if you had asked me I would say the FR is identical.  But there are differences that can give the impression of a different FR if you don't know what to listen for, such as spaciousness.  Some people might attribute that to more treble, because that usually "clears things up".  However, more treble comes with side effects, whereas spaciousness is a different thing all together.

 

If you take into account all of the phase shift, distortion, etc., that would all detract from clarity.  Softer details are usually described as warm, so that would make sense if the e11 sounded warmer than the C5, as it is a more clear, crisper amp.  But that doesn't mean the treble is necessarily less in amplitude than the c5, thereby have a similar curve.  Also, solid state amplifiers are not always flat nowadays. :)  A lot of them have noticeable bass rolloff at the lowest end.  Some have very high rolloff as well.  But in general they are still very good and the middle areas are usually ruler flat.  But anyhow, I think all of these opinions are good and valid.  I'm just trying to say that frequency response is a very large factor in the sound of a device and earphone, and it should be noted that the c5 is extremely flat in that regard...

post #947 of 2704
Thread Starter 
Glad we got all that out, in a civilized matter. Now, no point in arguing over graphs anymore, let's get back on track.
My findings are all subjective like miceblue, luisdent lets agree to disagree :-)

Keep it civilized guys
Edited by ostewart - 5/3/13 at 2:40pm
post #948 of 2704

What other portable headphone amplifiers use a digital volume potentiometer other than the Apex Glacier and Leckerton UHA-4? I find it to be much, much, much more practical than the typical analogue potentiometer or digital buttons for portable use at least, even though I prefer the feel of an analogue potentiometer. 1-finger volume control? Yes please! :D

post #949 of 2704

Just got a c5 a couple days ago and I love it. I'm not really into all the tech terms, all I know is it sounds frickin awesome. I do think it brings out the mids, the v moda m100's never sounded better.


Edited by Bruin9999 - 5/3/13 at 5:07pm
post #950 of 2704
Quote:
Originally Posted by miceblue View Post

What other portable headphone amplifiers use a digital volume potentiometer other than the Apex Glacier and Leckerton UHA-4? I find it to be much, much, much more practical than the typical analogue potentiometer or digital buttons for portable use at least, even though I prefer the feel of an analogue potentiometer. 1-finger volume control? Yes please! :D

 

I'm pretty sure Google is working on a thought-controlled potentiometer for Glass.  I'm sure someone can hack up a way to interface it with the C5....

 

no, I'm not high.

 

yes, I am kidding/dreaming biggrin.gif

post #951 of 2704

As per miceblue's recommendation sometime ago and lots of other comments around here , I have finally placed an order for the C5 with some custom engravement . Hopefully it pans out well . We'll see how it turns out for me when it arrives . smily_headphones1.gif

post #952 of 2704

How good is compare to UHA-6S MK2 for Beyerdynamic DT990 pro 250 Ohm
 

post #953 of 2704
Quote:
Originally Posted by Rango View Post

How good is compare to UHA-6S MK2 for Beyerdynamic DT990 pro 250 Ohm
 

Doesn't that have a DAC?  The C5 is an amp only; no DAC.

post #954 of 2704
Quote:
Originally Posted by zazex View Post

Doesn't that have a DAC?  The C5 is an amp only; no DAC.

he could have meant the amp section biggrin.gif
post #955 of 2704
Quote:
Originally Posted by zazex View Post

Doesn't that have a DAC?  The C5 is an amp only; no DAC.


How good is amp quality and which will do job.

post #956 of 2704

Interesting..

post #957 of 2704
Thread Starter 
The C5 will do the job fine.
post #958 of 2704
Quote:
Originally Posted by randomkid View Post

Glad we got all that out, in a civilized matter. Now, no point in arguing over graphs anymore, let's get back on track.
My findings are all subjective like miceblue, luisdent lets agree to disagree :-)

Keep it civilized guys

 

No arguing.  Just conversation. :)

 

"There ain't no good guys, there ain't no bad guys.  There's only you and me and we just disagree."

post #959 of 2704

I went to a local Head-Fi meet and one of the newer members there tried the C5 and really liked it in comparison to the FiiO E7.

post #960 of 2704
Quote:
Originally Posted by luisdent View Post

No arguing.  Just conversation. smily_headphones1.gif

"There ain't no good guys, there ain't no bad guys.  There's only you and me and we just disagree."
Yeah that's the fun part of this hobby for me I guess...the variety and subjective part and perception of each individual when it comes to sound/equipment preferences.....it will be boring if everyone's view/choices/opinions is the same.... and if I was being objective than I would have to say that the O2 and C5 or in fact many well built amps would actually sound the same.(Ok I might get flaked for this statement but...)
I remember sometime back there is actually this amp challenge that you could try and win 10,000 dollars by trying to identify the sound diffenrence in two amps...any two amps if I'm not wrong, though I'm not too sure if you could still try it now and if I'm not wrong nobody has yet to win it.
Let me see if I could find the faq link to it.......ok below is it.
http://tom-morrow-land.com/tests/ampchall/
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