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New headphone amplifier from Bryston - Page 55

post #811 of 1080
1/4/13 at 6:00am

James,

 

Is Rev3 on the outside, PCB R6 on the inside, the newest revision?

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post #812 of 1080
1/4/13 at 8:04am
Quote:
Originally Posted by Solude View Post

James,

 

Is Rev3 on the outside, PCB R6 on the inside, the newest revision?

 

Engineering tells me R8 is the latest revision.

 

james

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post #813 of 1080
1/4/13 at 8:41am
From 1247 it is REV 3
How to detect internal R ?
Edited by Hubert481 - 1/4/13 at 8:44am
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post #814 of 1080
1/4/13 at 8:43am
Quote:
Originally Posted by Hubert481 View Post

From 1247 it is REV 3
Now: REV 8
This means 5 revisionsteps within 6 weeks
Is there a specific reason?

 

As we go along most of the changes just make things easier for production and of course added feature changes such as the Balanced Outputs etc.

 

james

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post #815 of 1080
1/4/13 at 8:45am
Sorry, i guess, i mixed REV and R
Edited by Hubert481 - 1/4/13 at 9:12am
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post #816 of 1080
1/4/13 at 9:12am

Wow James

Really can't wait to try one now 
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post #817 of 1080
1/5/13 at 4:25am

I had a good listen to this amplifier yesterday and I must say it is excellent. I am curious though, once the power switch is flipped on, there is a delay of a second or so after which I can hear a slight click inside and only then the amplifier is really turned on. I assume this is the input switching circuit or perhaps a slight offset usually required by amplifiers operating in pure class A. Would anyone comment on this?

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post #818 of 1080
1/5/13 at 4:31am
Quote:
Originally Posted by akatona View Post

I had a good listen to this amplifier yesterday and I must say it is excellent. I am curious though, once the power switch is flipped on, there is a delay of a second or so after which I can hear a slight click inside and only then the amplifier is really turned on. I assume this is the input switching circuit or perhaps a slight offset usually required by amplifiers operating in pure class A. Would anyone comment on this?

Possibly a relay?  

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post #819 of 1080
1/5/13 at 4:59am
Quote:
Originally Posted by akatona View Post

I had a good listen to this amplifier yesterday and I must say it is excellent. I am curious though, once the power switch is flipped on, there is a delay of a second or so after which I can hear a slight click inside and only then the amplifier is really turned on. I assume this is the input switching circuit or perhaps a slight offset usually required by amplifiers operating in pure class A. Would anyone comment on this?

 

This would be a relay picking up.

My guess is this delay allows the amp to stabilize before the amp output is connected to your headphones.

I don't see what this has to do with Class A operation.

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post #820 of 1080
1/5/13 at 5:10am

Hi Folks,

 

Correct - it is a relay to make sure all is right with the world before engaging output power.

 

james

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post #821 of 1080
1/5/13 at 5:34am
Quote:
Originally Posted by James Tanner View Post

As we go along most of the changes just make things easier for production and of course added feature changes such as the Balanced Outputs etc.

james
Balanced output is already included in REV 3
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post #822 of 1080
1/5/13 at 5:57am
Quote:
Originally Posted by Hubert481 View Post


Balanced output is already included in REV 3

 

Any serial number beyond 100 includes the Balanced outs.

 

james

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post #823 of 1080
1/7/13 at 6:47pm

http://www.innerfidelity.com/content/bryston-bha-1-fully-balanced-headphone-amplifier

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post #824 of 1080
1/8/13 at 6:45pm

@ James, I ordered my BHA-1 with locking mechanism on XLR connectors, i.e. on all five female XLR connectors, but didn’t get it. Now I’ve received two Neutrik Push levers from the distributor via the dealer. I’ve found instructions on how to remove the lever (http://www.neutrik.com/en/support/faq/can-the-latch-of-a-xlr-chassis-connector-be-removed-and-replaced) but I don’t know if I can mount it just by pushing the lever into the XLR connector from the outside. I don’t want to destroy the XLR connectors and thus need to send my BHA-1 back to the dealer/distributor. Any advice?

 

IMO all BHA-1 should have locking mechanisms on the input XLR connectors at the back. It can be optional for the front connectors.

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post #825 of 1080
1/8/13 at 8:56pm

Just Ordered.

 

Hoping this is the last headphone amp I'll need! Very Excited...
 

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