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Obscure Chinese DAPs
Oct 12, 2016 at 11:58 PM Post #1,397 of 8,123
neog007 said:
  Is there any information about this player?:
 
https://www.aliexpress.com/item/New-DIY-MP3-V2-Professional-Lossless-Music-MP3-HiFi-Music-Player-Support-32GB-TF-Card-Expansion/32727723202.html?scm=1007.13338.49930.0&pvid=d17adb43-fa4e-4a25-9e53-187d3e20b43c&tpp=1

 
 
For €24 I think it´d deliver some quite decent sound compared with others at that price range.I'm tempted to pull the trigger, I´m curious to compare it with the xDuoo x2 or even the x3
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It is listed on ebay also, with a big text explanation ( apologies if that was also mentioned ).
Audio section can also be bypassed at turn on stage to use it strictly as an amp.
http://www.ebay.com/itm/NEW-POWER-Walnut-V2-hifi-fever-MP3-player-lossless-master-class-/272386301194?hash=item3f6b7d1d0a:g:FZ8AAOSw8w1X49Nt
Some nice beefy caps in there no SMD stuff.
 
Case says V1.1, listing says V2.
 
opamp is socketed might be swappable I'd have to read it again.
It's a good description by the way.
 
 
Since I could not find anything in here about it, I ordered one last week before your post, will see what it is all about.
 
Oct 13, 2016 at 5:27 AM Post #1,398 of 8,123
It is listed on ebay also, with a big text explanation ( apologies if that was also mentioned ).
Audio section can also be bypassed at turn on stage to use it strictly as an amp.
http://www.ebay.com/itm/NEW-POWER-Walnut-V2-hifi-fever-MP3-player-lossless-master-class-/272386301194?hash=item3f6b7d1d0a:g:FZ8AAOSw8w1X49Nt
Some nice beefy caps in there no SMD stuff.

Case says V1.1, listing says V2.

opamp is socketed might be swappable I'd have to read it again.
It's a good description by the way.


Since I could not find anything in here about it, I ordered one last week before your post, will see what it is all about.
[/quote]
The EBAy listing has definitely some more information. The cap is quite decent and can deliver a kinda smooth sound but it has an average oamp that can -or can not - deliver some distortion -depending of how well implemented the whole configuration was-. The oamp is interchangeable. Anyway, a priori, is a decent little amp-player for the price. I recently bought the little amp xduoo xq-10 just for 5 eur less than this one - just amp, no player- and I am a quite bit disappointed with it
I already ordered mine from aliexpress.
 
Oct 13, 2016 at 10:34 AM Post #1,399 of 8,123
It is using good Elna Silmic II for output DC coupling, analytical sounding despite it's bright purple colour, and one tier below performance of Elna RE3 in Zishan dsd. Most Elna's are dry/analytical, most Nichicon are smoother/thicker. It is probably using a cpu integrated dac like hisound studio v, I sure hope it's at least using a crystal for timing rather than some kind of ceramic junk, they don't show the bottom of the pcb which is where the cpu/dac/voltage circuit would be. Listing mentions 15v (+/- 7.5v) amp power supply which is pretty good,  the Zishan dsd is +/- 9v, and compare these to a weak Fiio x1 which is only +/- 2.7v. Fiio X5ii is +/-7v, but the diy thing won't be as powerful because the output isn't buffered. The Fiio X1 has a more fleshed out circuit with proper dac and lpf and better voltage regulation, would sound more accurate and detailed, but weaker and flatter, this diy thing is just the cheapest possible way to get sound that packs some "character" and a wobbly punch. I bought one for fun, might sound ok, but I don't expect much refinement out of it.
 
Oct 14, 2016 at 10:36 AM Post #1,406 of 8,123
hqssui said:
   
They are in stock.
 
https://www.aliexpress.com/item/HIFI-fever-lossless-portable-music-player-AK4495SEQ-super-CS4398-USB-DAC-DSD-hardware-solution/32638881409.html?aff_platform=aaf&sk=VnYZvQVf%3A&cpt=1476425887886&dp=5fd3df3584ec7aff13b6d02e75b26e63&af=240682&cv=47843
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The little one too? Did not find it...
 
Its bigger brother cannot be rockbox'd. That's a mandatory feature for me.
wink.gif

 
Oct 15, 2016 at 7:46 AM Post #1,407 of 8,123
bzfrank said:
The little one too? Did not find it... Its bigger brother cannot be rockbox'd. That's a mandatory feature for me.
wink.gif
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Your after the previous model, but it hasn't been in production for quite a while, even while the listing was previously up there was no stock, I inquired about it which prompted them to take the listing down.
 
On other news I bought this amp: https://www.aliexpress.com/item/Breeze-E47-portable-amp-suite-double-performance-47-amp-circuit-free-DIY/32734647835.html
 
5 changeable opamps, 1 voltage/gain opamp with 4 parallel output opamps, no feedback circuit design, Nichicon FW caps, Omron relays, Alps vol pot, Foxconn jacks (a favorite of mine).
 
Oct 15, 2016 at 10:07 AM Post #1,408 of 8,123
t.r.a.n.c.e. said:
 
On other news I bought this amp: https://www.aliexpress.com/item/The-E47-portable-amp-suite-double-47-amp-free-DIY-line-efficiency/32722302797.html
 
5 changeable opamps, 1 voltage/gain opamp with 4 parallel output opamps, no feedback circuit design, Nichicon FW caps, Omron relays, Alps vol pot, Foxconn jacks (a favorite of mine).
Click to expand...

Interesting you mentioned Breeze audio amps, I was watching their products these days.
E11 has very good reports with muse opamp version, there is also E18 with discrete design 
tongue_smile.gif

Very tempted but I don't really need this right now. 
 
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