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HM-901 - Page 167

post #2491 of 3325
Quote:
Originally Posted by Mimouille View Post

but it does not stay on frown.gif
there should be like a click, you can lock it in by rotate in with a bit push
post #2492 of 3325

post #2493 of 3325
Quote:
Originally Posted by tupac0306 View Post

there should be like a click, you can lock it in by rotate in with a bit push
It seems like it is really broken but I will try. But Hifiman already accepted the return...great customer service so far.
post #2494 of 3325
Quote:
Originally Posted by ClieOS View Post
 

I have the HM901 since it was released and the firmware is getting better with each generation. You should really update it.

May I know which is a better Amp card for HM-901 for headphones like AKG702 or DT990:

 

1) MiniBox Amp card

 

or

 

2) Balance Amp card

post #2495 of 3325
I think some of the answer depends on if you get balanced plugs / cables for your headphones or not. If you don't plan getting the phones balanced, the it's only a matter of sound signature, I think.

I am very pleased with the balanced amp - even when used unbalanced. I haven't heard the Minibox amp.
post #2496 of 3325
Quote:
Originally Posted by bowtung View Post

After a whole week of listening, I feel that the highs on the discrete amp board is kinda out of control, don't know if it's my card only, will give more listening to it. I actually went out and bought a balanced card, and currently comparing the two. I don't think I really like the discrete board right now, maybe I'll have a different opinion later. My ears are kinda tired now, with all the switching around and listening to some other new gears. 

Any chance you got an earlier version of the discrete amp board? I recall in on of the earlier threads on erji there were mention of excess treble in the tuning... And could also be synergy with iem/headphone.
post #2497 of 3325
Quote:
Originally Posted by mannkind246 View Post
 

May I know which is a better Amp card for HM-901 for headphones like AKG702 or DT990:

 

1) MiniBox Amp card

 

or

 

2) Balance Amp card

 

I don't think there is any amp module that can challenge the balanced amp card yet. But as LarsHP said, you really need to get your headphone balanced before you can benefit the most out of the balanced card. An alternative will be the new classic card, which I have on the HM801 and known to be really good sounding as well.

post #2498 of 3325
Well I have to praise hifiman for their customer service. I send my 901 for repair last Monday and they are delivering to me again this coming Monday, they called me first to arrange it. They would have even delivered this weekend if it was not my work address. Very goof communication through and through. Of course everything goes faster since I am in China.
post #2499 of 3325

This is totally random and may have already been mentioned, but I was searching for help w/tags for FLAC and OGG not being recognized. I have a 601. Anyway just incase this benefits someone, when I was using dbPoweramp &/or MP3tag it would not respect the tags but oddly enough on my Mac, Tag, & MAX both (ripping or tagging as it applies) for some reason tag flawlessly. 

 

I know these are two different DAP's with different firmware etc. (albeit from the same MFG) but after an exhaustive night of trial and error I just wanted to post it so maybe someone could get use out of it.

post #2500 of 3325

I've been listening to the Minibox amp card for the past few days. Compared to the balanced amp card (w/ singled end phones), the Minibox doesn't have the same lushness but instead has a more V-shaped signature. It's powerful enough for the HE400 at high gain, but for hard-to-drive phones, the balanced amp is probably a better choice. On the other hand, the Minibox uses less power, i.e. your battery lasts longer (maybe 50% more) and your 901 gets less warm.

post #2501 of 3325

What is the best amp for easy to drive portables like DT1350? 

Is there a "flat" amp?

post #2502 of 3325
Quote:
Originally Posted by pekingduck View Post

I've been listening to the Minibox amp card for the past few days. Compared to the balanced amp card (w/ singled end phones), the Minibox doesn't have the same lushness but instead has a more V-shaped signature. It's powerful enough for the HE400 at high gain, but for hard-to-drive phones, the balanced amp is probably a better choice. On the other hand, the Minibox uses less power, i.e. your battery lasts longer (maybe 50% more) and your 901 gets less warm.
So what is your preference?
post #2503 of 3325
Quote:
Originally Posted by Mimouille View Post


So what is your preference?

 

I prefer the balanced amp by slight margin.

post #2504 of 3325
Thanks
post #2505 of 3325
Thread Starter 
Quote:
Originally Posted by ClieOS View Post
 

 

I don't think there is any amp module that can challenge the balanced amp card yet. But as LarsHP said, you really need to get your headphone balanced before you can benefit the most out of the balanced card. An alternative will be the new classic card, which I have on the HM801 and known to be really good sounding as well.


What's the "new classic card"?

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