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**Hifiman HE-400 Impressions and Discussion Thread** - Page 1136

post #17026 of 17700

THe HE-400 and 500's sound great with the Schiit Audio Lyr plus it does a wonderful job of making AKG K701's sound fuller (better bottom end) and more dynamic. 

 

Sorry, didn't see the price range you had mentioned. 


Edited by KLJTech - 4/16/14 at 4:01pm
post #17027 of 17700
Quote:
Originally Posted by beaver316 View Post
 

 

Does the opamp change make much of a difference to the M-stage? I'm debating whether I should opamp roll, but I'm kind of lazy to do it.

 

It's not a drastic sound change, but for me it was a positive change. It seemed to bring out a bit more power in the bass and brought the mids out a bit as well. At least to me. Most noticeable in the bass, but its still fairly subtle.

Quote:
Originally Posted by Fearless1 View Post
 

My ears appreciate it, but it still retains the M-stage sound, as it is not a drastic change. It is as easy as taking out a few screws, unplugging the old one,  and plugging the new choice in. Takes all of 2-3 minutes.  

 

This ^

 

Quote:
Originally Posted by Lohb View Post
 


I have an OPAmp run-down pdf from a post on here. Will dig it out. There is a better solution than 627 which is one of the upgrades you can get for M-stage......LM4562 is too bright for a start for 400's. I have a recent PM about lesser known OPAmps that may not be FOTM but they may pair well with the 400 sig... in the sense of not making the weaknesses worse.

Would be awesome if you could dig this up, cheers!

post #17028 of 17700

A low impedance tube amp would be something i would aim for with the he-400. Something like project starlight/sunrise has personally interested me.

post #17029 of 17700
Quote:
Originally Posted by Netforce View Post
 

A low impedance tube amp would be something i would aim for with the he-400. Something like project starlight/sunrise has personally interested me.

what about the little dot I+? I heard mk3 doesnt work too well with it. And can the project starlight power the dt990 250?

post #17030 of 17700

Looks like the little dot I+ has got a 8ohm output impedance so you won't have clipping but you won't have good dampening factor so the bass will theoretically suffer. Project starlight will be suitable to drive the dt250 250ohm yeah.

post #17031 of 17700
Take a look at project Ember.
post #17032 of 17700

You could also buy the Bottlehead Quickie and a solid state amp as long as your DAC is separate from the amp.

That way you can flip between SS and tube tone when you feel like it.

If I remember the BH Quickie expands the soundstage according to one 500 user who said it was great in his set-up.

T-amps are under-rated for powering HFM cans with one extremely techie member on here (Robrob) saying his was close to his TOTL Schitt amp. So if you can get your cables balanced you'd have more than enough juice in reserve for your 400's if you went that route of tubie and SS speaker amp.


Edited by Lohb - 4/16/14 at 10:11pm
post #17033 of 17700
Quote:
Originally Posted by Netforce View Post
 

Looks like the little dot I+ has got a 8ohm output impedance so you won't have clipping but you won't have good dampening factor so the bass will theoretically suffer. Project starlight will be suitable to drive the dt250 250ohm yeah.


Damping factor doesn't make any difference for orthos because they have a completely flat impedance curve. 

I used the Little Dot MK3 with the HE-400 for a while. It was decent, but it clipped at high volumes. I still don't understand why, as it should have enough power on paper. Oh well... It's long gone now. 

I'm considering getting a Vali though. I know there's a few people here who use the combo. 

post #17034 of 17700
Quote:
Originally Posted by manbear View Post
 


Damping factor doesn't make any difference for orthos because they have a completely flat impedance curve. 

I used the Little Dot MK3 with the HE-400 for a while. It was decent, but it clipped at high volumes. I still don't understand why, as it should have enough power on paper. Oh well... It's long gone now. 

I'm considering getting a Vali though. I know there's a few people here who use the combo. 


ManBear do you hear a difference with battery power on your chain or is it a case of "better safe than sorry" ?

I have the Ankaka battery from Singapore bookmarked to completely isolate DAC and speaker amp...but not entirely convinced.....

post #17035 of 17700
Little dot mk 3 with tubes rolling
Mullard CV 4010 and 6H30Pi

Cheap and good SQ
post #17036 of 17700
Quote:
Originally Posted by akong View Post

I would also like to know the answer to this question. 
I should be able to answer this question this week. I just ordered a pair of the 400's to try with my Pan Am. While the Pan Am isn't under $250 it is available used for decent prices.
post #17037 of 17700
Quote:
Originally Posted by Lohb View Post
 


ManBear do you hear a difference with battery power on your chain or is it a case of "better safe than sorry" ?

I have the Ankaka battery from Singapore bookmarked to completely isolate DAC and speaker amp...but not entirely convinced.....


Honestly, I do not hear a difference. I was curious about using a battery so I figured I'd give it a try, and now that I have it I might as well use it, but I wouldn't recommend it unless you think something is wrong with your computer's USB power. 

post #17038 of 17700
Quote:
Originally Posted by manbear View Post
 


Honestly, I do not hear a difference. I was curious about using a battery so I figured I'd give it a try, and now that I have it I might as well use it, but I wouldn't recommend it unless you think something is wrong with your computer's USB power. 


Thanks ! As it adds up to about $260 for 2x Ankaka isolation batteries and it is cash that can go towards more headphones or a better amp....

post #17039 of 17700
Quote:
Originally Posted by Lohb View Post
 


Thanks ! As it adds up to about $260 for 2x Ankaka isolation batteries and it is cash that can go towards more headphones or a better amp....


Yikes. I spent around $50 total for my battery and splitter cable. 

post #17040 of 17700
just got my he400s today! about an hour in with the magni/modi stack,
so far out of the box it sounds fantastic!! still too early for full impressions though. i really don't hear any veiling like some have said.. could be that they need a hearing test. I've given some of my friends hearing tests with a tone slider and some can't even hear 13khz due to hearing damage.
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