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The iBasso DX50 Thread - Latest firmware: 1.6.0 - Page 388

post #5806 of 15839
Quote:
Originally Posted by cooperpwc View Post
 

 

 

DX50 and Pico Power

The Quickstep has Jan Meier's active balanced ground and it is as fast as any portable amp that I have heard. Attack and decay are excellent. It also has a sound signature which is quite unique. I have put much thought into how to describe it and what I have come up with is "cool lush". It is not a warm amp but it is not strictly 'gain by wire' either. If a warm amp can be describes as akin to walking into the steamy foliage of a jungle, the QS is like walking through a borealis forest on a cool summer night. If that imagery doesn't work for you, tough, it's my post. What this means is that the sound of the QS is actually quite full but it is not adding warmth to the already slightly warm DX50 line out. With reasonably neutral-of-tone IEMs like my ES5 and Flat-4 Kaede, the results are stunning. I would describe the sound as luxurious. Yes, an amp can actually sound luxurious; legions of Meier fans know something that you don't. The QS does everything right combined with the DX50, not a harsh note in the trebles, lovely mids and solid fast bass. The one negative that I will throw out there is the combination of DX50 + QS with a colored headphone like my euphonic Final Audio Heaven VI does not produce absolutely ideal synergy. The QS + Heaven VI with a neutral DAC, and the DX50 + Heaven VI with a less lush amp can both be excellent with the right third component. The three together though, while certainly sounding very good, is nonetheless a little "rich" of sound to my tastes.

 

DX50 and Pico Power

If the QS sound can be described as cool lush, I would say the the operative words for the Pico Power are "boldly honest". Well, we have to be careful here. The PP has a discrete output stage using NOS transistors rather than the standard output buffers. The result is a sound that is a bit relaxed in the upper register. There is a nice organic quality to the treble. Still I use the terms "boldly honest" for the PP because it just throws so much dang power into the mix without a hint of the QS lushness. The result is a great sense of presence.  The QS does not lack for transparency but the PP ups the ante. This synergizes perfectly with the thin but slightly warm line out of the DX50, even with colored IEMs like the Heaven VI. To my ear, if the QS is the more luxurious sounding of the two amps, the PP is the more honest. It has a huge sound that just sounds true to source. The other quality that distinguishes the Pico Power is the bass. The QS is no slouch in this department but for driving IEMs, the PP has the best bass that I have heard in a portable amp. It has remarkable power and impact without a hint of bloat. The DX50 line out is frankly not a bass monster and the PP's ability to resolve so much bass detail and generate so much impact with the DX50 is extremely welcome. (Note also that this is not the product of any artificial bass boost; the Inner Fidelity FR tests show that the PP is utterly neutral.)

 

 

 

Thanks for that info and impressions; you`re pushing me towards the PP. I`m still trying to imagine using 9 volt batteries, and I like the idea of always being able to buy standard disposable batteries in a pinch.  (It`s one of the benefits of using a dSLR with a battery grip)  

 

BTW, you labeled both paragraphs as Pico Power, and I think a lot of people would like to read that mini-review so you might want to edit it.....

 

d

post #5807 of 15839
Quote:
Originally Posted by Dopaminer View Post
 

 

Thanks for that info and impressions; you`re pushing me towards the PP. I`m still trying to imagine using 9 volt batteries, and I like the idea of always being able to buy standard disposable batteries in a pinch.  (It`s one of the benefits of using a dSLR with a battery grip)  

 

BTW, you labeled both paragraphs as Pico Power, and I think a lot of people would like to read that mini-review so you might want to edit it.....

 

d

 

Much thanks for both the comments and pointing out the error. ( :eek:)

Duly corrected.  :beerchug:

 

Once again, I just cannot proof my own writing...

post #5808 of 15839

(I just added a note on harmonic distortion to my post above <<What are the qualities of the Quickstep and Pico Power that are relevant to their potential synergy with the DX50?>>. It was a key point but I forgot to put it in.)


Edited by cooperpwc - 11/2/13 at 11:06am
post #5809 of 15839

I am using 2stepdance with my dx50. It is a fantastic amp. I love this rig. I am in search of better mini to mini cable. Any suggestions for under 100$?

 

post #5810 of 15839

I have been using The Lightning by RSA and the sound is like hooking my phones up to a powerful home amp. Smooth liquid, dynamic and very layered. 

post #5811 of 15839
Thread Starter 
Quote:
Originally Posted by okan View Post
 

I am using 2stepdance with my dx50. It is a fantastic amp. I love this rig. I am in search of better mini to mini cable. Any suggestions for under 100$?

 

 

Go on eBay and look for PlusSoundAudio interconnects, they are in a different price range but the cables they use are top notch.

 

You have to consider which metal composition you would like your interconnect to have, from least to most expensive: copper, copper plated silver, silver and silver with 1% gold.

This is quite a subjective and you'll get both sides of the camp saying it does or does not make any differences; me why not to put the doubt on your side but at a cheaper price (done it myself ;) ).

post #5812 of 15839
Thread Starter 
Quote:
Originally Posted by jamato8 View Post
 

I have been using The Lightning by RSA and the sound is like hooking my phones up to a powerful home amp. Smooth liquid, dynamic and very layered.

 How does it sound compared to the Intruder? Isn't it the same but without the SE connectivity?

post #5813 of 15839
Quote:
Originally Posted by lueneburg View Post

Not the same experience here: The re-400 sounded pretty bland, not much better than a cheap pair or earbuds, out of the box, with my former (cheap) mp3 player. (Of course, I can't tell how much of the improvement comes from the bad mp3 player vs. the ibasso, or the mp3 files vs. flac files, or the burn-in of around 50 hours that I did in between... Well, I did also try the re-400 out of the box directly plugged at home on my marantz cd5004 (cd player), and it also sounded quite bland, although clearer already than with the cheap mp3s player...)

I also felt the same until I made my own tips out of ear plugs. I thought there was something wrong with them but I worked out that they are just very very tip dependent, more so than any other. For me they just sound awful out of the DX50 and the PB2.
post #5814 of 15839

@Cooper,

 

Thanks for your review.  The DX-50 & Pico Power is an excellent combo and you summed it up very well.  I enjoy this very combo myself.  On another note, the Pico DAC/Amp version also sound great with the DX50 too.

post #5815 of 15839

I do not like silver plated copper. To me, it is bright and a little harsh. Silver offers the least resistance, then copper then gold. So plating with silver over copper, to my ears and others that I have read about, does odd things with the frequencies. I have heard other platings that did seem to work. I think it is all in the implementation and who does the plating and how it is done. 

post #5816 of 15839
Thread Starter 
Quote:
Originally Posted by jamato8 View Post

I do not like silver plated copper. To me, it is bright and a little harsh. Silver offers the least resistance, then copper then gold. So plating with silver over copper, to my ears and others that I have read about, does odd things with the frequencies. I have heard other platings that did seem to work. I think it is all in the implementation and who does the plating and how it is done. 

I never like the combo either it is difficult to achieve consistency with metal mix. I would prefer using a wire of each type and merge them, it's way better. I have used silver for the signal and copper for the return and it sounds amazing.
post #5817 of 15839
Quote:
Originally Posted by okan View Post
 

I am using 2stepdance with my dx50. It is a fantastic amp. I love this rig. I am in search of better mini to mini cable. Any suggestions for under 100$?

 

 

You can get Matthew at Forza Audioworks to make you a 7N hybrid, silver or copper cable. Matthew makes some gorgeous cables and the prices are reasonable.

post #5818 of 15839

I make my own and have for years. It isn't that hard but you have to source the right wire. I use just the 3.5 plug, not anything else, no housing or case as they only add bulk. I mold heat shrink, which is a big enough diameter around the soldered area and about 7mm on the wire. It is very, very durable, very low profile and inexpensive and I will compare mine to anything at any cost. 

post #5819 of 15839
Thread Starter 
Quote:
Originally Posted by jamato8 View Post
 

I make my own and have for years. It isn't that hard but you have to source the right wire. I use just the 3.5 plug, not anything else, no housing or case as they only add bulk. I mold heat shrink, which is a big enough diameter around the soldered area and about 7mm on the wire. It is very, very durable, very low profile and inexpensive and I will compare mine to anything at any cost.

Do you have any photos of your work, I would like to see how it looks. Thanks in advance.

post #5820 of 15839
Quote:
Originally Posted by musicheaven View Post
Do you have any photos of your work, I would like to see how it looks. Thanks in advance.

I will try and find a camera. 

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