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New headphone amplifier from Bryston - Page 47

post #691 of 1469

For those who speak German 

For those who do not - really nice pictures

james 




Hallo Herr Potisk,

Hier der Forumslink zu meinem Bericht. Ich denke, er dürfte gut ankommen und die Qualität des BHA-1 ins angemessene Licht setzen. Sie können mir ja mitteilen, wie Ihr Einruck ist.

Bryston BHA-1 Kopfhörerverstärker: Hörbericht - open-end-music-professional

Bester Gruß,
Otwin Maa

post #692 of 1469

Awesome, thanks James. I can read German so I can enjoy the text too beerchug.gif

post #693 of 1469
I just spent an hour with the BHA-1, and FWIW , here's some intitial impressions:
 
With the LCD-3 (4-pin) - my first impression was "Wow". It does not always mean that much, but there was something about the way it did the bass. The mids were just warmish and felt very immideate, and it was all accurate, smooth and delicious. Plenty of headroom, without being edgy. I have always had kind of a prejudice against Bryston thinking it is a bit efgy, but dynamic. The BHA-1 was more "smooth and dynamic."
 
When I connected the HD650, I got an unexpected new "Wow" - and kept feeling that way. It was a terrific. I rarely switch from LCD-3 to the HD650 and think "Wow." I must be emphasize that this was not because the LCD-3 didn't sound great with the BHA-1 - but the HD650 just sounds amazing on BHA-1. It was sort of perfect.
 
BHA-1 is an amp I could live well with I think.  It's a lot less impressive on the RMS watts specifications than the Mjolnir, but for the dynamics it is after all not continuous power delivery that is important, but how quickly the power is delivered come. Bryston has got a good reputation in this respect, to say the least. And I think they have put some of this in the BHA-1 - in a surprinsingly smooth manner.
 
The volume control was maintained between 8 and 9:30, and since it started at 7, I felt that there is quite a bit to go on. And this was with the gain set to "low". The output level is lower on the TRS plug I think (don't quote me on that) - probably something with balanced vs unbalanced. The source was balanced (Cary CD player)
post #694 of 1469

Single ended would be 6dB quieter since its half the voltage.  Here's hoping they get working on a BHA-2 now that Bryston knows the headphone market has money in it ;)

post #695 of 1469
Quote:
Originally Posted by ardilla View Post

I just spent an hour with the BHA-1, and FWIW , here's some intitial impressions:
 
With the LCD-3 (4-pin) - my first impression was "Wow". It does not always mean that much, but there was something about the way it did the bass. The mids were just warmish and felt very immideate, and it was all accurate, smooth and delicious. Plenty of headroom, without being edgy. I have always had kind of a prejudice against Bryston thinking it is a bit efgy, but dynamic. The BHA-1 was more "smooth and dynamic."
 
When I connected the HD650, I got an unexpected new "Wow" - and kept feeling that way. It was a terrific. I rarely switch from LCD-3 to the HD650 and think "Wow." I must be emphasize that this was not because the LCD-3 didn't sound great with the BHA-1 - but the HD650 just sounds amazing on BHA-1. It was sort of perfect.
 
BHA-1 is an amp I could live well with I think.  It's a lot less impressive on the RMS watts specifications than the Mjolnir, but for the dynamics it is after all not continuous power delivery that is important, but how quickly the power is delivered come. Bryston has got a good reputation in this respect, to say the least. And I think they have put some of this in the BHA-1 - in a surprinsingly smooth manner.
 
The volume control was maintained between 8 and 9:30, and since it started at 7, I felt that there is quite a bit to go on. And this was with the gain set to "low". The output level is lower on the TRS plug I think (don't quote me on that) - probably something with balanced vs unbalanced. The source was balanced (Cary CD player)

 

 

Can you compare it to the Mj?

post #696 of 1469
Of course! Until I have actually heard the Mjolnir, I can say that the BHA-1 looks slightly flatter, maybe.
post #697 of 1469
Quote:
Originally Posted by ardilla View Post

Of course! Until I have actually heard the Mjolnir, I can say that the BHA-1 looks slightly flatter, maybe.

 

 

Looks flatter

 

 

400

post #698 of 1469

 

Hope flatter isn't a complex misspelling of:

 


Edited by Loevhagen - 12/7/12 at 10:17am
post #699 of 1469
post #700 of 1469

Hi James!

 

Could you tell us how the volume is regulated in the BHA-1? 

 

Quote:
Originally Posted by James Tanner View Post

BHA-1 Review

 

CANADA HiFi Review - Bryston BHA-1 Headphone Amplifier.pdf 1,922k .pdf file
post #701 of 1469

Quote:
Originally Posted by Loevhagen View Post

 

Hope flatter isn't a complex misspelling of:

 

 

Flat

 

Flatter

 

 
 
 
Flattened

700

 

Flattered

 

 

 



Edited by ardilla - 12/8/12 at 12:51pm
post #702 of 1469

Hi

 

Its a Nobel potentiometer laser trimmed to 1/4 dB

 

james

post #703 of 1469

That's explosive. 

post #704 of 1469

One of these? http://www.nobleusa.com/rotary.html

 

I found about 8-9 o'clock comfortable listening with the LCD-3 (high gain, XLR inputs) - why did you tune it this way (this loud)? As I understand it, pots generally not sound their best at the lower end, since the signal has to go through more of that pot resistance (or whatever you tech-guys calls it ,)  

Quote:
Originally Posted by James Tanner View Post

Hi

 

Its a Nobel potentiometer laser trimmed to 1/4 dB

 

james

post #705 of 1469
Quote:
Originally Posted by ardilla View Post

One of these? http://www.nobleusa.com/rotary.html

 

I found about 8-9 o'clock comfortable listening with the LCD-3 (high gain, XLR inputs) - why did you tune it this way (this loud)? As I understand it, pots generally not sound their best at the lower end, since the signal has to go through more of that pot resistance (or whatever you tech-guys calls it ,)  

 

The Noble is very linear throughout is range and it is one of the reasons we chose it.  I can get a more 'engineering' answer if that helps.

 

james

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