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-   -   My new Aleph ONO Phono Section (http://www.diyaudio.com/forums/pass-labs/19585-my-new-aleph-ono-phono-section.html)

Algar_emi 29th August 2003 09:49 PM

My new Aleph ONO Phono Section
 
I had to pratice my pcb skill and decided to build an ONO phono preamp following the fantastic help I had from Ed Robinson. Ed sent me all his pcb and schematics and also in unvalueable building notes and great parts list. It was so easy to build from them that I went away and order the parts. :cool:

See this thread for Ted impressive ONO: http://www.diyaudio.com/forums/showt...threadid=13201 :cool: :eek:

I already built the two Unreg 40V supply PCB and the two Regulated 30V supply PCB. I made some minor change to Ed PCB by increasing cooper area. See my next post :devily:

Thanks to Ed for all his work that he was kind enough to share with me. Thanks to Mr. Pass for sharing his great desings.

Algar_emi 29th August 2003 09:53 PM

Here my Unreg PCB
 
2 Attachment(s)
Here my Unreg PCB...

Algar_emi 29th August 2003 09:55 PM

Here My Reg PCB
 
2 Attachment(s)
Here My Reg PCB

Algar_emi 29th August 2003 10:00 PM

Here the parts localisation UNREG PSU
 
2 Attachment(s)
I mixed two of Ed files, the pcb and the Silk screen to produce these parts locator.

Algar_emi 29th August 2003 10:01 PM

Here the parts localisation REG PSU
 
2 Attachment(s)
And the Parts for the Reg PSU.

xsnailx 31st August 2003 07:02 AM

glad to see that you picked up ed's layout and willing to develop it , i wanted to do the same but actually iam overloaded with work it would be great to see your completed ono:)

Algar_emi 1st September 2003 02:04 AM

Ed devellopped layout
 
I will be glad to send you the modified jpeg files of the pcb that I used.

Algar_emi 6th September 2003 12:44 PM

I succeeded in my main PCB, Great.
 
2 Attachment(s)
I really did a great job. Take a look at this zoom of the main PCB. The trace resolution is perfect, almost like a commercial PCB. Look at the the mounting screw hole. We can see clearly the very small line.

Algar_emi 6th September 2003 12:48 PM

Here the Main PCB back
 
2 Attachment(s)
Here the Main PCB back

Algar_emi 6th September 2003 12:49 PM

And the top of the PCB
 
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And the top of the PCB.


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