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Unique Melody Platform Pure 6 (PP6) - review (1st post), discussion, appreciation, & tour thread - Page 33

post #481 of 486

I gave the PP6 a mixed review at InnerFidelity because to me it felt (and still feels) like a missed opportunity. I love some aspects of it, and see the potential, but I also get frustrated in using it. Specifically, the gain needs to be reduced. That is step one. My unit goes from silent to quite loud in a very small increment, and there's still a ton of unused range on the volume knob. I believe it is digital attenuation too, so we lose resolution by applying so much of it. This means the PP6 is actually capable of sounding even better, if we could crank volume to 75% or higher without killing our ears. 

 

Fix the volume control, get rid of the "thump!" on power on/off, and transform the bass boost into something worthwhile, and the PP6 would be a spectacular product. I'd totally recommend it. As it stands, those things really detract from the experience. 

post #482 of 486

John, thanks for weighing in! Your article on TOTL IEMS was fantastic and I completely appreciate your reservations. For me the bass boost is the most problematic. Something the JH3A got so right. I can work around it on the Mac because I have a ton of studio plugins, but, I can't fix it on the iPhone with Neutron's EQ without losing resolution. 

 

The thing for me, and this is just personal, is that if I'm going to be using desktop gear I'm not going to be using IEMS. I'm stationary so I might as well use full size headphones or speakers for that matter. If I'm scaling down to IEMs I want the smallest self-contained support package available. So having a high grade amp and DAC in a single box--tuned to the IEMS was a gift (one charger). Next, if I could use the little sliver of kit that's an iPhone then I can get rid of the Algorhythm Solo. Good bye three stack and another charger. But for me the icing was the Halide. An async USB to Spdif  convertor good enough to sit between large stationary boxes but minuscule and without need for AC. Yikes.

 

Even with the definite drawbacks of a first iteration unit, the PP6, in this system, is a marvel to my mind. Using Neutron as a software server--the whole thing just comes together for me. I sit and work at a Starbucks and can't believe what we have available now to the mobile audiophile. 


Edited by edwardsean - 5/10/14 at 3:41pm
post #483 of 486

Good points. I have to be sure that I make clear my own priorities, and I will certainly do so in my upcoming reviews of the Chord Hugo and Resonessence Labs Herus. I'm just not a massive "portable" kind of guy. I enjoy that sort of thing at times, and like you I marvel at the novelty of it, but it's not really a "lifestyle" for me as it is for some folks. And I can appreciate the differences in perspective caused by that fact. 

 

Interestingly, I do listen to CIEMs in my home system. Not a lot of headphones out there that can match the speed and resolution of the top-tier models driven. Bonus points for not needing a monstrous amp to power them. 

post #484 of 486

Not sure if it was ever posted here, but i read on another thread that there are no custom cable manufacturers making cables for the PP6.

 

Toxic Cables has been offering custom cables for the PP6 for little over a year now, with Stephen be the first owner of one.

http://www.toxic-cables.co.uk                  PREPARE TO BE INTOXICATED

 

 

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post #485 of 486
Frank, that's great to hear! Not sure how I missed it. I guess we haven't spoken in a while.

UM may have somewhat abandoned their idea of selling the passive cable so the PP6 IEM can be used with a regular amp, but at least there is now SOME kind of aftermarket cable to be had. I'm sure it is up to your usual high standards!
post #486 of 486

I've been getting similar results with my PP6 with USB Audio player for Android before the L update-and I doubt my phone will get one.

I usually use it with my laptop though, the declipper from SA tools are quite amazing.

 

Recently did a demo of Kaiser 10 and JH Roxanne in Soundcat S.Korea and must say the top level CIEMs with good DAC/amps are easily as good if not better.

After around an year of use, PP6 is interesting experience, however lacks a bit of polish.

Clippings are much more isolated in PP6 which is a good thing, it is one of the things that I really love about PP6.

However...

 

I believe the dynamics are not as wide as should be and bass could use more definition-I usually do it with 1 level bass boost, but usually it loses the resolution. I used declipper with DSP bass boost plugin and they work much better. That being said, I do not believe the tonality is quite neutral enough to be considered a reference monitor, but the sound is again quite unique, if you are considering one, I STRONGLY suggest a demo.

 

The plug is still too loose and the "pop" from the amp is still quite annoying.

 

One thing that keeps me excited is the possibility of Unique Melody making an active crossover module for most of their IEM products. With one DAC+DSP/tri-amp module and another passive crossover module to choose from and a wide selection of IEMs that supports either, you can have essentially "build your own active crossover iem". I would really like to see a Merlin with active crossover. 

 

The final point that I want to make is the number-of-drivers competition in IEM market. Coming from my experience in hi-fi stereo systems, the passive cross over becomes increasing expensive and complicated with additional drivers added. Not sure how this translates to an IEM, but well, it's something to consider.

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