[Solude]

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

 

[James Tanner]

Quote:

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

 
Engineering tells me R8 is the latest revision.
 
james

 

[Hubert481]

From 1247 it is REV 3
How to detect internal R ?

 

[James Tanner]

Quote:

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

 

[Hubert481]

Sorry, i guess, i mixed REV and R

 

[jtinto]

Wow James
Really can't wait to try one now 

 

[R Giskard]

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?

 

[DTrewwye]

Quote:

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?  

 

[Chris J]

Quote:

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.

 

[James Tanner]

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

 

[Hubert481]

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

 

[James Tanner]

Quote:

Balanced output is already included in REV 3

 
Any serial number beyond 100 includes the Balanced outs.
 
james

 

[James Tanner]

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

 

[CanDude]

@ 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.

 

[R-Audiohead]

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