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Old 11th July 2014, 11:30 PM   #1
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Join Date: Jan 2006
Location: Spring Lake, NC
Default Help with Aleph 1.7 PCBs !

I want to build me Aleph 1.7, and i decide to make some PCBs @ oshpark! i Modified a bit VETERANS PCB to accept WIMA MKS caps and second version to accept MUDORF MKP or EVO caps !


Here is Schematics i use to make PCBs:

Click the image to open in full size.

I go to Mouser i read WIMA MKS datasheet, and make PCB f0r that particular capacitors:

Click the image to open in full size.

... as you can see, i moved ground traces on the top layer of PCB and some minor changes!

This is how PCB come out on OSHPARK:

TOP:

Click the image to open in full size.

... and BOTTOM:

Click the image to open in full size.




NOW, i would like to use Mundorf film caps for this preamp,

MKP:

Click the image to open in full size.

... or EVO:

Click the image to open in full size.


... so i modified board and this is what i got:

Click the image to open in full size.

... and here is OSHPARK render of this particular board:

TOP:

Click the image to open in full size.

... and BOTTOM layer:

Click the image to open in full size.




I am about to design PSU, and i am thinking to pit PSU on same board with preamplifier, like dual mono preamplifier, and also to make switch on board for BALANCED XLT to UNBALANCED RCA output !


Please let me know if i make some mistakes and what are suggestions for onboard PSU and output switch !

Thanx !
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