HiFiMAN HM-901 visit pg 18. IMGS pg 19. NEW beta FW 1st page. . to the 901s. .new 901s FW .
Jun 11, 2013 at 9:29 AM Post #228 of 3,445
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Are Pailiccs TRRS 3.5mm non-magnetic? I see Pailiccs mentioned every now and then in the audio context. Is there a brand that Hifiman recommends since they're (only maker I know??) using balanced TRRS 3.5mm sockets?

I don't know what they recommend. There are many that are made, some good and some not. I don't know about pailiccs. I know the non magnetic are available but the problem is the pin is small and you do need strength or it will bend and possibly break so you need a quality TRRS and everything should be fine. The nice thing about the TRRS, they are easy to solder and can have a very low profile. 
 
Jun 11, 2013 at 3:33 PM Post #230 of 3,445
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Despite my crappy ears and poor review skills i also concur with my findings :)

Lol EIJ....
 
Never really able to A/B the DX100, AK120, and HM-901 in the same setting with same tracks, but definitely the I would say 901 gave me the biggest wow factor in its sound amongst my first listens of these players.  Whether or not this sound is your cup of tea (or choco milk as the way someone described the 901), or if it would continued to wow you would be entirely subjective.
 
Jun 11, 2013 at 11:09 PM Post #233 of 3,445
I am getting an ak120 first, it is impossible to get my hands on a 901...even in China.


Nice Mimouille! That's what I did too. Now the 901+iem amp board have to really wow me even more for me to thru with this purchase.
 
Jun 11, 2013 at 11:28 PM Post #234 of 3,445
The balanced HM-901 amp module. Uses OPA627AU's :-
 

 

 
As opposed to the Fujiya February '13 Portaken Show, HM-901 demo there uses AD8397. Whether that is the "Standard" amp module or not, I don't know :-
 

 

 
Jun 11, 2013 at 11:36 PM Post #235 of 3,445
I believe the 8397 op amp is the standard module. 
 
Jun 11, 2013 at 11:41 PM Post #236 of 3,445
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From your profile, you used to owned DX100.
In your actual experience,  do you feel AK120 & HM-901 sound better than DX 100?


I never heard the 901 and do not have the AK120 yet...however I really liked the DX100. I sold it because it was much to big in my opinion. I also preferred it amp with a T1 amp, made the sound more refined to my ears. I know use either a Tera player or an AK100 stage 2 mod. The AK100 modded is in my opinion close to the DX100 in terms of performance WITH IEMS. It has more clarity, but does not have as much power / space / authority. However, with the new Russian firmware, I find the modded AK100 even better, as it has thicker sound. I will see when I get the AK120.
 
Michael
 
Jun 12, 2013 at 12:08 AM Post #238 of 3,445
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.... I really liked the DX100. I sold it because it was much to big in my opinion.
 

 
 
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I think I might also get the 901 when I find it in Shanghai, but only with an upgraded amp, to make it really worth my while.

 
 
I'm scratching my head here - how can the DX100 be too big for you but the 901 is not too big for you? They're very, very nearly identical size!
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Jun 12, 2013 at 12:23 AM Post #239 of 3,445
I'm scratching my head here - how can the DX100 be too big for you but the 901 is not too big for you? They're very, very nearly identical size! :confused_face(1):


I can't speak for Mimouille but I gave up DX100 for AK100 for size/UI/battery life, found AK100's sound less than satisfying, demo'ed 901, got mesmerized by its unique sound, waited until stumbling upon the AK120, but still can't forget the wow factor I got from the 901 demo. I highly doubt the 901 would displace my AK120 but I also believe I will still get the 901+iem amp board module when it became available. I guess such is the life of a headfiers lol!
 
Jun 12, 2013 at 12:30 AM Post #240 of 3,445
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I can't speak for Mimouille but I gave up DX100 for AK100 for size/UI/battery life, found AK100's sound less than satisfying, demo'ed 901, got mesmerized by its unique sound, waited until stumbling upon the AK120, but still can't forget the wow factor I got from the 901 demo. I highly doubt the 901 would displace my AK120 but I also believe I will still get the 901+iem amp board module when it became available. I guess such is the life of a headfiers lol!

It seems like some of the head-fiers are now shifting gear towards the AK120.
I'm really hope iRiver can cut down the price of AK120 at least same level as HM-901 which is $1K.
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