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kristijan-k 19th August 2002 05:31 PM

PCBs for the PASS ALEPH 1.2
The all PCBs are made of FR-4 fiberglass material with Cu-50 mikron + Pb track overlay (tinplated), laser drilled, with two sided blue soldermask (instead of green), and with white component overlay.
Also, they all comes with partlists, stuffing guides and circuit diagrams.

More infos about PCBs for the Aleph 1.2 amplifier, and for some other Alephs, can be founded at PCB-DESIGN website:

Kristijan Kljucaric

fcel 19th August 2002 05:54 PM

Couple of questions:
I'm assuming the parts list (with Vendors name?) that you've indicated in your post will come with the boards but not shown on your web site.

I'm wondering why you did not label the component location next to the component value on your schematics? You don't want to make it too easy for us? Kidding of course. You schematics and board layout looks impressive!

kristijan-k 19th August 2002 06:39 PM

Hello fcel,

The partlists for the PCBs comes with the all boards.

Speaking of labels on the schematic, I don't use them because some peoples could mix them with the original ones that Mr.Pass drew.

Best regards,
Kristijan Kljucaric

bstoll 21st August 2002 08:41 PM


Excellent boards !

Even symmetric layouts !!!!
I really don't understand how they are designed.
By the computer ?
What software ?

Are they really blue ?

kristijan-k 25th August 2002 07:08 PM

2 Attachment(s)

The all boards are designed by Protel / Tango software.

At first, the PCBs are designed on the paper (by old fashion way), acording to the schematics.
At the end, the final and finished layout is redrawed in the Protel or Tango designing program.
Both above mentioned steps are very time consuming, and they are really nervbraking if you would like to have good PCB layout.
After the design is finished in the PROTEL, then all the neccesary work is done by the proffesional machines for making the PCBs.

Yes, they are blue, from both sides.

Best regards,
Kristijan Kljucaric

bstoll 28th August 2002 07:32 PM

hi kristjian,

that is really outstanding work !

is there picture of tracks/pads ?

kristijan-k 1st September 2002 01:18 PM

2 Attachment(s)

Here is one.

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