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Hifiman he-400i Impressions and Discussion
Mar 22, 2015 at 10:32 AM Post #3,781 of 14,386
ovrki1 said:
Thanks!
The choice was based on wanting a 24bit solid state amplifier with a built in DAC, and in this case, DSD capable.  That was about it other than the fact Fostex has been around for decades.
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Don't forget that amps with black paint have higher sound quality than amps with just plain silver metal.
 
Mar 22, 2015 at 10:51 AM Post #3,782 of 14,386
davida said:
 
I don't know if I would call the HE400i easier to drive than a HD-650, IMO they are both harder to drive than the average consumer HP.  For me I like the low end of the HE-400i but the mids/highs of the HD-650 so depending on what type of music I want to listen to i'll pick the headphone best suited most of the time.
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Technically HD-650 is easier to drive than HE-400i. it only requires 1/3 of the power required by HE-400i at the same SPL. The problem with HD-650 on portable devices like DAPs is these devices may not have enough voltage swing to drive it. High impedance load needs more voltage than what portable devices can supply.
 
I have a Beyer T1. It is very sensitive at 102 dB/mW compared to HE-400i @ 93 dB/mW. But HE-400i sounds very good and loud enough than my T1 directly out of Fiio X5 or iBasso DX90. The T1 simply sound underpowered on both DAPs.
 
On my Desktop O2+ODA, my T1 goes loud earlier than HE-400i.
 
Mar 22, 2015 at 10:57 AM Post #3,783 of 14,386
headwhacker said:
 
Technically HD-650 is easier to drive than HE-400i. it only requires 1/3 of the power required by HE-400i at the same SPL. The problem with HD-650 on portable devices like DAPs is these devices may not have enough voltage swing to drive it. High impedance load needs more voltage than what portable devices can supply.
 
I have a Beyer T1. It is very sensitive at 102 dB/mW compared to HE-400i @ 93 dB/mW. But HE-400i sounds very good and loud enough than my T1 directly out of Fiio X5 or iBasso DX90. The T1 simply sound underpowered on both DAPs.
 
On my Desktop O2+ODA, my T1 goes loud earlier than HE-400i.
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53mw needed for hd650 and 158mw needed for he-400i at 115db loudness
 
Mar 22, 2015 at 3:49 PM Post #3,785 of 14,386
manbear said:
You said they only sell one case, so it doesnt seem like you have that much choice.
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I wrote to Hifiman for a definitive answer... which is likely what I should have done to begin with.
Items have been removed and later added back to their web  site before...
There are always choices... I can buy another type of case.
 
Mar 22, 2015 at 4:14 PM Post #3,786 of 14,386
Out of all the choices I've gotten the he 400i and I love the sound I heard on the reference model in minidisk with the Oppo HA-1 and I was thinking if there is any combo amp/dac or anything that would give similar quality sound. I was thinking about what HarleyZK said with getting the schiit Modi and schiit vail 1 but if I did choose to save up witch combo would be best. Also why do I need a DAC along with an amp? 
 
Mar 22, 2015 at 4:57 PM Post #3,787 of 14,386
headwhacker said:
   
Technically HD-650 is easier to drive than HE-400i. it only requires 1/3 of the power required by HE-400i at the same SPL. The problem with HD-650 on portable devices like DAPs is these devices may not have enough voltage swing to drive it. High impedance load needs more voltage than what portable devices can supply.
 
I have a Beyer T1. It is very sensitive at 102 dB/mW compared to HE-400i @ 93 dB/mW. But HE-400i sounds very good and loud enough than my T1 directly out of Fiio X5 or iBasso DX90. The T1 simply sound underpowered on both DAPs.
 
On my Desktop O2+ODA, my T1 goes loud earlier than HE-400i.
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That's correct, but even from the iDSD micro I find He400i sounds better than HD650 regardless of the music genre.
 
Mar 22, 2015 at 5:09 PM Post #3,788 of 14,386
If i would purchase either .. I would be sitting at my desk with my Asgard 2 / bifrost combo. I don't really care about mobility.. As i've said before .. the final decision maker is how the earpads fit
 
Mar 23, 2015 at 9:46 AM Post #3,790 of 14,386
Amps/Dac for Hifiman he 400i any ideas are wellcome. $250-380
 
Schiit Stack Magni 2 and Modi 2
 
Schiit Stack vali and modi 2
 

[color=rgba(0, 0, 0, 0.8)]O2+ODAC Combo. AKA= Mayflower Objective2 ODAC Combo[/color]

 
Mar 23, 2015 at 4:18 PM Post #3,794 of 14,386
matthew720 said:
  Do I contact them on there email, phone or something to buy the product? and which out of the NFB-11 and 15 sounds better with gaming and making songs come to life?
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By email - audio-gd@126.com for all inquiries, orders or questions 
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I think the NFB-15 would be better for immersive gaming and enjoyable listenings [more musical]. The NFB-11 would be better for 'sound-whoring', detail picking in games, and critical listening [more realistic/'true to life']. Depends on preference 
smily_headphones1.gif
 
 
Mar 23, 2015 at 10:09 PM Post #3,795 of 14,386
matthew720 said:
  Amps/Dac for Hifiman he 400i any ideas are wellcome. $250-380
 
Schiit Stack Magni 2 and Modi 2
 
Schiit Stack vali and modi 2
 

[color=rgba(0, 0, 0, 0.8)]O2+ODAC Combo. AKA= Mayflower Objective2 ODAC Combo[/color]

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modi 2/vali.
 
No need to spend any more than this.
 
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