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HifiMAN HE-6 Planar Magnetic Headphone - Page 548

post #8206 of 8797
2/16/13 at 8:35am
Quote:
Originally Posted by alota View Post

i tried for half hour my he-6 with my new beta and i love this combo but i hope soon a complete listening session

 

 

Quote:
Originally Posted by alota View Post

sorry but i didn´t understand the question

 

My bad.

 

Just that you said you tried.  Then you say you love the combo "but"

 

I thought maybe there was an issue.  My bad, I see it's not.  

 

Glad you're enjoying the Beta22/HE-6 combo..biggrin.gif

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post #8207 of 8797
2/16/13 at 8:39am
Quote:
Originally Posted by preproman View Post

 

 

 

My bad.

 

Just that you said you tried.  Then you say you love the combo "but"

 

I thought maybe there was an issue.  My bad, I see it's not.  

 

Glad you're enjoying the Beta22/HE-6 combo..biggrin.gif

well. my english is a little bad.

i tried in my builder´s house and the first impression is positive

when i will have the combo in my house, i write more...

sorry for the mistake

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post #8208 of 8797
2/17/13 at 2:17am

Hello,

 

Can a tube amp be damaged with the HE6 because of different impedance ?

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post #8209 of 8797
2/17/13 at 5:12am

Yuz.  http://head-direct.com/Products/?act=detail&id=104

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post #8210 of 8797
2/17/13 at 5:15am
Quote:
Originally Posted by alota View Post

well. my english is a little bad.

i tried in my builder´s house and the first impression is positive

when i will have the combo in my house, i write more...

sorry for the mistake

 

No mistake, the second part of your sentence explained the first part.  Your english is fine.

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post #8211 of 8797
2/17/13 at 5:26am
.

Edited by sphinxvc - 2/17/13 at 5:56am
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post #8212 of 8797
2/17/13 at 6:12am
Quote:
Originally Posted by sphinxvc View Post

 

No mistake, the second part of your sentence explained the first part.  Your english is fine.

thankstongue.gif

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post #8213 of 8797
2/18/13 at 3:30am

I've recently discovered artifacts on the right side driver only audible when playing piano tracks. And I have only had these for a month!

 

The past few pages also intrigued me in First Watt amps and more generally in current source amps to pair with HE6, I would be on the lookout for a F1/F1J too but I feel they are very exclusive having only 101 units built guess I'll start saving for F4s haha.

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post #8214 of 8797
2/18/13 at 11:10am
Quote:
Originally Posted by essencez View Post

I've recently discovered artifacts on the right side driver only audible when playing piano tracks. And I have only had these for a month!

 

The past few pages also intrigued me in First Watt amps and more generally in current source amps to pair with HE6, I would be on the lookout for a F1/F1J too but I feel they are very exclusive having only 101 units built guess I'll start saving for F4s haha.

 

Doing that nowbiggrin.gif


Edited by preproman - 2/21/13 at 1:51pm
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post #8215 of 8797
2/20/13 at 5:25pm

My only question about the F4 is what's the point?  You need to feed it with something that put out loads of voltage which is going to be your GS-X or B22?  Both have enough current ability to stay class A to their voltage cap and will impart their character on the chain so... why F4s?  Honest question, not a jab.

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post #8216 of 8797
2/21/13 at 2:07am

The point of F4 is to strive for the pinnacle of clean amplification. Yes, you would probably need to invest in a high-gain preamp as the source needs, quoted from Nelson Pass himself, "+/-20V peak (single ended drive) and double in balanced operation."

 

At the end all this does is see how well HE6 can perform at its finest.
 

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post #8217 of 8797
2/21/13 at 3:14am

So your hoping Pass' buffer is better than the buffer you already have?  Trading Gilmore's 16 BJT PP for Pass' 12 MOSFET PP?  I see where it makes sense for speaker pre-amps but driving a buffer with a buffer seems like a loss to me.

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post #8218 of 8797
2/21/13 at 9:28am

you can take just the front end from here to drive the F4 or build it

as shown.

 

http://gilmore.chem.northwestern.edu/nfd.pdf

 

no feedback, and Thd < .01%  (tested at .008%) into he6.

Very fast. Very quiet. 10db of gain as shown. 8 watts at 50 ohms.

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post #8219 of 8797
2/21/13 at 9:41am
Quote:
Originally Posted by kevin gilmore View Post

you can take just the front end from here to drive the F4 or build it

as shown.

 

http://gilmore.chem.northwestern.edu/nfd.pdf

 

no feedback, and Thd < .01%  (tested at .008%) into he6.

Very fast. Very quiet. 10db of gain as shown. 8 watts at 50 ohms.

 

Was also looking at a balanced a20 for the F4s.  I'm getting the a20 anyway for the F1J. 


Edited by preproman - 2/21/13 at 9:43am
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post #8220 of 8797
2/21/13 at 11:11am
Quote:
Originally Posted by kevin gilmore View Post

you can take just the front end from here to drive the F4 or build it

as shown.

 

http://gilmore.chem.northwestern.edu/nfd.pdf

 

no feedback, and Thd < .01%  (tested at .008%) into he6.

Very fast. Very quiet. 10db of gain as shown. 8 watts at 50 ohms.

for those who don´t understand the design, please what kind of amplifier is?

balanced or not, fet or mosfet?....

thank you

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