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Amps that can drive the HiFiMan HE-6 planar headphones - Page 191

post #2851 of 4942
Quote:
Originally Posted by potterma View Post
 
Quote:
Originally Posted by ohhgourami View Post


Yes.

Yes, you know or yes it will?  j/k of course....

 

Looking at the specs, I'd say yes it will :)

 

Well, all this Krell talk forced me to pull the trigger on a KAV 500 (2 channel).  Yeah, boy!

 

Welcome to the club :beerchug:

post #2852 of 4942

Think the Eddie Current 2A3 MK IV (http://www.eddiecurrent.com/ZDT.html) can drive these bad boys?  Considering the HE-6 but don't know if I have an amp to do it justice and have high standards at the moment.

post #2853 of 4942
Quote:
Originally Posted by Crashem View Post
 

Think the Eddie Current 2A3 MK IV (http://www.eddiecurrent.com/ZDT.html) can drive these bad boys?  Considering the HE-6 but don't know if I have an amp to do it justice and have high standards at the moment.


The 445 would do a better job though... :tongue:

post #2854 of 4942
Quote:
Originally Posted by ohhgourami View Post


The 445 would do a better job though... tongue.gif

Why would that be? Isn't a 2A3 more power than 45?
post #2855 of 4942
Quote:
Originally Posted by Crashem View Post


Why would that be? Isn't a 2A3 more power than 45?

2A3 is essentially 2 45 tubes in a single envelope.  I've never heard the amp in question but 800 mW into 32 Ohm makes me wary for the HE-6.  Imo, for the money you could look toward a more customised solution specifically for the 6, the trouble with most mainstream tube amps is that they have to built to work with many headphones and that usually means significant compromises on components (output transformers etc).  Beyond a certain price point it makes sense to get some custom work done, specifically tailored to your needs.  Or if you have time (mind, not to save money), build one yourself and learn a lot in the process.  

post #2856 of 4942
Quote:
Originally Posted by Xenophon View Post
 

2A3 is essentially 2 45 tubes in a single envelope.  I've never heard the amp in question but 800 mW into 32 Ohm makes me wary for the HE-6.  Imo, for the money you could look toward a more customised solution specifically for the 6, the trouble with most mainstream tube amps is that they have to built to work with many headphones and that usually means significant compromises on components (output transformers etc).  Beyond a certain price point it makes sense to get some custom work done, specifically tailored to your needs.  Or if you have time (mind, not to save money), build one yourself and learn a lot in the process.  

 

I don't disagree.  However, recently made similar choice to go with Stax Rig that involved a customized solution.  Honestly, I don't know if the HE-6 is worth building an entire system around.  Was hoping my "generic" solution would work for a variety of the the ortho and dynamic headphones.  Btw, I don't think that 800mw into 32ohms is accurate as it shows the same for the MK II which has half the power tubes.

post #2857 of 4942
Quote:
Originally Posted by Crashem View Post


Why would that be? Isn't a 2A3 more power than 45?


The 445 has a huge PSU attached to it. That is more important than the amount of power the HE-6 sees. When I had resistors attached to my baby Krell, I was chopping the power down to 0.1 wpc and it made no difference compared to the 32 wpc without resistors.

post #2858 of 4942
Quote:
Originally Posted by ohhgourami View Post
 


The 445 has a huge PSU attached to it. That is more important than the amount of power the HE-6 sees. When I had resistors attached to my baby Krell, I was chopping the power down to 0.1 wpc and it made no difference compared to the 32 wpc without resistors.

 

Are we talking about the Eddie Current 445?  If we are, I thought it is basically the same topology as the 2A3 MK IV with the key differences being in the tubes and use of the new CineMag Transformers.  I assume the PSU is the same as the 2A3 MK IV which is also huge.  Is that right?

post #2859 of 4942
Quote:
Originally Posted by Crashem View Post
 

 

Are we talking about the Eddie Current 445?  If we are, I thought it is basically the same topology as the 2A3 MK IV with the key differences being in the tubes and use of the new CineMag Transformers.  I assume the PSU is the same as the 2A3 MK IV which is also huge.  Is that right?


I saw the 2A3 next to me at a meet, but didn't bother listening to it. I probably didn't see the PSU as Craig placed it on the floor at the meet with the 445.

 

It probably could use more power still, but overall it did a good job from what I could make out at the meet.

post #2860 of 4942
Quote:
Originally Posted by ohhgourami View Post
 


The 445 has a huge PSU attached to it. That is more important than the amount of power the HE-6 sees. When I had resistors attached to my baby Krell, I was chopping the power down to 0.1 wpc and it made no difference compared to the 32 wpc without resistors.

Hence the sense in a custom solution where one has total control and it really only has to perform optimally with one single headphone so you can build everything around the tube you wish to use and the headphone.  Admittedly a huge effort and not cheap at all.  But I'm going through the process because I want to learn more about building tube amps and because I like the HE-6 so much (have to say I have't heard the totl electrostats though).

post #2861 of 4942
So guys, if you had a shot at either the Pass Labs INT 150, or the Krell KAV-500i for similar money *with no possibility to audition either*, what would be your preference? Why? On face value I'm not finding a clear path to a decision.
post #2862 of 4942
Quote:
Originally Posted by NZtechfreak View Post

So guys, if you had a shot at either the Pass Labs INT 150, or the Krell KAV-500i for similar money *with no possibility to audition either*, what would be your preference? Why? On face value I'm not finding a clear path to a decision.

This is not what you want to hear but if the price you'll pay is anything near retail then I would seriously consider hopping on a plane to a place where I could audition both.  (But double check first, last week I made a 400 km return trip for nothing after a salesperson assured me they had a component in stock for me to try....until I was at the shop, that is).  Time is precious, i know, but if you're not happy with the purchase, think of the headache of selling it on.  This type of gear is not exactly a liquid asset where I live.

post #2863 of 4942

A few pages back I was looking at both of these as well as the INT 30.  The 500i puts out 275 wpc into 8 omhs. I thought that may be a little to much.  

 

I have the INT 30 in my sites now.   Not heard any of them by the way.  Just going off reviews.

post #2864 of 4942
Both of these are at secondhand prices, nothing like retail (still decidedly non-trivial purchases nevertheless). Higher end audio gear are not liquid assets here in NZ either!

I'm probably leaving toward the Pass Labs, but that's really only informed by the Krells power output being slightly more overkill than I'm looking for smily_headphones1.gif
Edited by NZtechfreak - 6/5/14 at 12:14am
post #2865 of 4942

Been reading up on the Firstwatt F6 (on Xenophon's advice)...... Just saying..:wink:

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