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New headphone amplifier from Bryston - Page 33

post #481 of 1484
Quote:
Originally Posted by m2man View Post

Oh, I got a Mk II version even. Go me. I didn't even notice until I saw the web ad with the SE output to the right of the XLR's. Now it's to the left.

 

BTW, could you post a link to photos of the new rear arrangement?

post #482 of 1484
Quote:
Originally Posted by Chris J View Post

 

And while the unit is upside down, Jimi's backwards guitar overdubs on "Are You Experienced" will be reversed!

I'd love to see THAT circuit!  biggrin.gif

post #483 of 1484
Quote:
Originally Posted by Chris J View Post

BTW, could you post a link to photos of the new rear arrangement?
post #484 of 1484

Thanks for the photo!

Nice!

post #485 of 1484

Anyone know what the output impedance is for the BHA-1?  Looking at pairing it with the 40 ohm W3000ANV.

post #486 of 1484
Quote:
Originally Posted by MLee View Post

Anyone know what the output impedance is for the BHA-1?  Looking at pairing it with the 40 ohm W3000ANV.

10 Ohms SE output and

10 Ohms balanced output.

post #487 of 1484
Thanks for the information. So my next question is should I be concerned? I know almost enough to be dangerous about this, but I've read a few articles that talk about the lower output impedance the better, the output impedance should be somewhere between 1/8 and 1/10 of the cans, etc.. If that's the case then would 10 ohms be an issue with 40 ohm cans? I've read some good reviews with the BHA-1 and 32 ohm PS1000s so I'm a little confused.
Edited by MLee - 9/4/12 at 5:07pm
post #488 of 1484

It's really just a rule of thumb, best advice is to try it and hear for yourself.

Like you point out, the PS-1000s and BHA-1 have gotten some good reviews.

 

Actually I just realized I pulled this out of Bryston's Preliminary version of the manual.

I would shoot an e-mail to Bryston and ask them.

Who knows?  maybe they reduced it?

post #489 of 1484

I love that it has that extra little stereo input so I can flip a switch and get audio from a game console.

 

Battlefield 3 on my PC with this thing, through the USB DAC is pretty intense.


Edited by BlackstoneJD - 9/4/12 at 5:50pm
post #490 of 1484

Last week I posted some initial impressions of my new (secondhand) BHA-1 and my two other amps (Liquid Fire and Grace m903) with my HD800s. Unsurprisingly, the Liquid Fire was the winner. Well, now I've had about a week with my new (secondhand) LCD-3s, and while I'm not ready to post detailed impressions as in my previous post, I am ready to say that at this moment I prefer the BHA-1 to the Liquid Fire with the LCD-3s. The Bryston really takes these cans to a whole 'nother level -- taut bass, smooth and extended treble, appropriate soundstage. The Liquid Fire is no slouch whatsoever with the LCD-3 (especially with either Siemens CCa or Amperex JAN 7308 tubes), but for the time being I find the fast and powerful BHA-1 to have better synergy.

 

Haven't played around too much with connections, so it's entirely possible that the difference between my m903's balanced and SE outputs is contributing to this impression. But then again, that's not really a problem, is it?

 

More to follow.

post #491 of 1484

I took Chris J's advice and emailed Bryston.  I received a reply almost immediately.  Needless to say I'm impressed. 

 

James answered with " The 10 ohms prevents any short circuit or overheating issue from occurring in the BHA-1."  He also responded he thought the pairing of the 40 ohm W3000ANV and the BHA-1 would work well.

 

I'll know for myself this weekend.......

post #492 of 1484
Quote:
Originally Posted by Olias of Sunhillow View Post

Last week I posted some initial impressions of my new (secondhand) BHA-1 and my two other amps (Liquid Fire and Grace m903) with my HD800s. Unsurprisingly, the Liquid Fire was the winner. Well, now I've had about a week with my new (secondhand) LCD-3s, and while I'm not ready to post detailed impressions as in my previous post, I am ready to say that at this moment I prefer the BHA-1 to the Liquid Fire with the LCD-3s. The Bryston really takes these cans to a whole 'nother level -- taut bass, smooth and extended treble, appropriate soundstage. The Liquid Fire is no slouch whatsoever with the LCD-3 (especially with either Siemens CCa or Amperex JAN 7308 tubes), but for the time being I find the fast and powerful BHA-1 to have better synergy.

Haven't played around too much with connections, so it's entirely possible that the difference between my m903's balanced and SE outputs is contributing to this impression. But then again, that's not really a problem, is it?

More to follow.

I thought the Bryston and LCD 2.2 paired very well together. One of the better synergistic combos to push the LCD performance to expected levels.
post #493 of 1484
Thread Starter 

'Copied and pasted' from a post I made in another forum:

 

Dear all,

I just received my BHA-1 2 days ago.

People who know me know that I am not someone given to exaggeration.  I am not usually dramatic about situations.  I tend to be fairly rational and analytical when it comes to many situations.  And my initial listening impression of this headphone amp fresh out-of-the-box:  Wow!

Headphones used: Hifiman HE-6 (balanced terminated with a 4-pin XLR using the stock cable)
Source: an inexpensive NAD C542 CD Player
Interconnects: an inexpensive Belden 1505F cable with Canare RCA plugs (singled-ended)
Power cord: stock power cords which come supplied with equipment

Even with the above inexpensive set-up, I was able to have the best sound I have ever experienced from my HE-6.

I am not good with descriptions using hifi speak so please pardon me.  I read hifi magazines and have been lurking in hifi forums for years and I still do not know what some of the commonly used jargons mean precisely.  So I shall use a very layman approach to describe what I hear: the HE-6/BHA-1 combination allowed me to hear deep into the recordings.

I listen mostly to classical music, from large scale orchestral works to chamber music.  Treble was crystal clear (in some orchestral recordings, the sound of the triangle - emerging from the back of the orchestra - lingered on for quite a while).  Bass was solid, weighty and tight.  Orchestral tuttis were 'big' (for lack of a better word).  The soundstage was wide and gave the illusion of it extending well beyond the headphones.  Solo piano tones were very beautiful.  Recorded solo violins didn't sound shrill at all (and when miked closely enough, I could actually hear into the 'timbre' of the bow coming into contact with the strings - does this make sense?).  Mass and solo string pizzicatos were very crisp.

A bit of history....
Before the BHA-1 was officially released, I had some correspondence with James Tanner through E-mail and also through this forum with regard to its expected driving capability for some of the more hard-to-drive headphones.  In particular, I was concerned that the BHA-1 would not be powerful enough to drive the HE-6.  In fact, I was so certain - although sight unseen, sound unheard - it WOULD NOT be powerful enough to drive the HE-6 that I went ahead to buy the less 'demanding' HE-500 (the second model in Hifiman's planar series) in preparation for the arrival of the (long-overdue) BHA-1.

Well, after my initial listening impressions, I can now breathe easy...(and end up with an additional pair of headphones I don't really need)

(For those interested, I set the BHA-1 to 'high gain' and use single-ended RCA input from my source.  Depending on the recording level of the source material, my volume knob positions on the BHA-1 range from 9 o'clock to 11 o'clock.  If I turn up my volume knob any more, the music becomes excessively loud and I risk damaging my hearing)

I have learned from this experience that my perception of things is often coloured, and unneeded paranoia caused, by people's impressions as posted on the forums.  I pre-judge things too definitvely.  I somehow got the impression from hearsay that the BHA-1 would not be able to sufficently drive the HE-6.  "HE-6 needs a speaker amp to drive it optimally", so some say.  That impression is now thrown out of the window, based on my own experience.  The bottom line is, whenever possible - and I understand that it's not always possible or convenient - we should always listen to the gear ourselves and form our own (hopefully not too subjective) opinions.

The HE-6/BHA-1 are a great match.


Edited by Hardertaskthinking - 9/6/12 at 6:17am
post #494 of 1484
Quote:
Originally Posted by Hardertaskthinking View Post

(For those interested, I set the BHA-1 to 'high gain' and use single-ended RCA input from my source.  Depending on the recording level of the source material, my volume knob positions on the BHA-1 range from 9 o'clock to 11 o'clock.  If I turn up my volume knob any more, the music becomes excessively loud and I risk damaging my hearing)
 

 

 

 

This is a  interesting review.


Edited by preproman - 9/7/12 at 12:49am
post #495 of 1484
Quote:
Originally Posted by preproman View Post

 

 

???? - I along with Happy Camper knows different.  

 

This is a funny interesting review.

This is an arrogant interesting reply.

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