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HiFiMAN HM-901 visit pg 18. IMGS pg 19. NEW beta FW 1st page. . to the 901s. .new 901s FW .
Apr 4, 2014 at 8:43 AM Post #2,491 of 3,445
kt66 said:
Can the balanced amp be used with non balanced headphones like dt1350?
Click to expand...

 
Yes of course. Remember there is a balanced on/off switch next to the headphone jack? That's for the balanced amp module.
 
Apr 4, 2014 at 9:55 AM Post #2,493 of 3,445
and that should sound better than the Standard amp and Mini box?
any other tips for someone opening the box tomorrow morning?
 
how will I sleep?????
 
Apr 4, 2014 at 3:56 PM Post #2,494 of 3,445
Hifiman,
 
I love you!  The new beta update just saved me $1500 on a tube amp because I was looking for a warmer sound. After reading a few other quotes I'm keeping the last two updates and depending on which headphones I'm using (or mood I'm in) I will switch back to the older version. 
 
I still hoping in one of the newer updates a digital EQ is available :). 
 
So now I will pick up the Balanced amp card, yeah Hifiman thank you. 
 
Apr 6, 2014 at 8:00 AM Post #2,495 of 3,445
edwood said:
Black is Coax input.  I've used it with my Halide Bridge USB to SPDIF converter.  Not quite the same sound quality as using the USB connection for the Dock, but certainly a lot more portable.

Hopefully there will be a portable USB Dock for the HM-901 sometime in the future.  Unfortunately, the HM-901 does not support over 24/96 through SPDIF, so playing off SD Card is the only way for higher sample rates over 96KHz.
Click to expand...


That is a big bummer. But I assume you can just copy onto the SD card while its connected to the dock?
 
Apr 6, 2014 at 8:22 AM Post #2,497 of 3,445
edwood said:
No, in USB DAC mode it's just a USB to SPDIF mode, no connection to SD Card.

In Player mode it does not connect USB data connection either.
Click to expand...


But you can switch back and forth to quickly copy 24/96 files over and play at higher sampling rates, right? Otherwise, this IMO would be a serious design flaw.
 
Apr 6, 2014 at 4:09 PM Post #2,500 of 3,445
trogdor said:
But you can switch back and forth to quickly copy 24/96 files over and play at higher sampling rates, right? Otherwise, this IMO would be a serious design flaw.
Click to expand...


You mean copy files over 24/96 like 24/192, correct?  It's not possible to copy files through the dock yet.  But it may be possible with a future firmware update.
 
But yeah, that would be a work around for USB to SPDIF being limited to 24/96.
 
Apr 6, 2014 at 4:28 PM Post #2,501 of 3,445
edwood said:
You mean copy files over 24/96 like 24/192, correct?  It's not possible to copy files through the dock yet.  But it may be possible with a future firmware update.

But yeah, that would be a work around for USB to SPDIF being limited to 24/96.
Click to expand...


Edwood, please, please talk to Fang about this. I don't understand why you would not be able to copy files over connected to the dock. This seems like a gross oversight to me.
 
Apr 7, 2014 at 6:53 AM Post #2,504 of 3,445
I couldnt find a comparison about the amplifier units of HM901.
 
Which is better? Or is there is a comparison post for them?
 
Is balanced worth the price difference?
 
Apr 7, 2014 at 8:04 AM Post #2,505 of 3,445
There are a couple of threads at erji forum which did pretty comprehensive comparisons between all or most of the amp cards:

http://www.erji.net/read.php?tid=1634886
http://www.erji.net/read.php?tid=1636619

Here are some comments about all the official hifiman amp cards by Dr Fang himself:

http://www.erji.net/read.php?tid=1613395

They are all in Chinese. Maybe google translator can give you some answers.
 
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