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Old 20th February 2005, 10:41 PM   #1
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Default New PCB for bride of zen

Hai Guys,

I have draw a new pcb for the bride of zen, the earthing is much better and the 2 channels are symmetric.

Greetz Maarten
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Old 21st February 2005, 01:26 PM   #2
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updated
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Old 24th February 2005, 01:30 PM   #3
beppe61 is offline beppe61  Italy
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Default Re: New PCB for bride of zen

Quote:
Originally posted by maartentje
Hai Guys,

I have draw a new pcb for the bride of zen, the earthing is much better and the 2 channels are symmetric.

Greetz Maarten
Dear Mr. Maarten,

Thank you for uploading the upgraded pcb drawing.
I have a question for you but also for anyone reading this.
I really don't understand this necessity of symmetry for the two channels.
On principle I prefer an identical pattern for the two channel.
But often I have seen the two channel mirrored.
Why I don't know.

Kind regards,

beppe61
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Old 25th February 2005, 12:02 AM   #4
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I think it's only a layout problem. I found it's much easier to route it, if the components for both channels are mirrored..

for my PCB, i positioned the components to achieve a 'ground track' surrounding the other tracks in the PCB, and i've mirrored both channels each other. routing the PCB was a job of minutes...

the result is shown here:

First Amplifier - comments my BoZ Pcb please.. :-)


tell me your opinion!

DarkStar
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Old 25th February 2005, 07:10 AM   #5
beppe61 is offline beppe61  Italy
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Quote:
Originally posted by darkstar666
I think it's only a layout problem. I found it's much easier to route it, if the components for both channels are mirrored..

for my PCB, i positioned the components to achieve a 'ground track' surrounding the other tracks in the PCB, and i've mirrored both channels each other. routing the PCB was a job of minutes...

the result is shown here:

First Amplifier - comments my BoZ Pcb please.. :-)


tell me your opinion!

DarkStar
Dear DarkStar,

Thank you very much indeed for your kind and extremely valuable reply.
Regarding your project I would like to congratulate you: very nice job indeed !
As I am particularly interested in line preamps, I would be very interested in knowing how your Bride of ZEN sounds.
In general I am looking for a minimalist line preamp (if you want to search for author beppe61 you will find the schematic of a 2 BJT line preamp that I found) to substitute a Bryston .4b I am using now.
Any your further information on line preamps would be very much valuable to me.
I look forward to hearing from you.

Kind regards,

beppe61
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Old 27th February 2005, 10:42 PM   #6
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hallo, thanks for the reply! regarding other minimalist preamp project... the only one i've seen are these:

-a TUBE single ended preamp (http://www.tnt-audio.com/clinica/ta/simpre0.html)

-the Hiraga MC (http://www.bonavolta.ch/hobby/en/audio/prepre.htm)

-another TUBE preamp and a passive one (http://www.users.globalnet.co.uk/~va...PreProject.htm)

[source of most of these links: www.epanorama.net]

hope this helps!

DarkStar
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Old 28th February 2005, 07:19 AM   #7
beppe61 is offline beppe61  Italy
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Quote:
Originally posted by darkstar666
hallo, thanks for the reply! regarding other minimalist preamp project... the only one i've seen are these:

-a TUBE single ended preamp (http://www.tnt-audio.com/clinica/ta/simpre0.html)

-the Hiraga MC (http://www.bonavolta.ch/hobby/en/audio/prepre.htm)

-another TUBE preamp and a passive one (http://www.users.globalnet.co.uk/~va...PreProject.htm)

[source of most of these links: www.epanorama.net]

hope this helps!

DarkStar

Dear Darkstar,

Thank you very much indeed for your valuable suggestions.
Just another question: did you build your modified BOZ?
What is your opinion on its sound ?
It is a good alternative to commercial line preamps?

I look forward to hearing from you.

Kind regards,

beppe61
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