(one more) ALEPH P 1.7 clone - diyAudio
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Old 29th August 2005, 11:00 AM   #1
veteran is offline veteran  Poland
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Cool (one more) ALEPH P 1.7 clone

Hello,

With several people from Audiostereo forum we decided to build ALEPH P 1.7 clone.

I will use ERO 10uF caps for input and output. There is also place for BG N type 10uF and 47uF capacitors on the PCB. WM8816 chip will be responsible for volume control. I tried to locate power transistor in one line. Connected to one heatsink they will work in the same conditions.

Suggestions seen miles - this will be my first PASS LABS construction working in A class.

Mr. Pass thanks for sharing this project
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Old 29th August 2005, 11:01 AM   #2
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Schematic diagram...
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Old 29th August 2005, 01:07 PM   #3
Jaac is offline Jaac  Netherlands
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looks nice

any pic's already ?? do you also have a powersupply pcb ready ??

gr Jaac
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Old 29th August 2005, 03:42 PM   #4
veteran is offline veteran  Poland
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This is how PS board look. I don’t like GND track so there are few things to correct

There are no pictures yet. This is just a project. I will order several of this boards so they should be ready in a couple of weeks. I can’t wait the results and sound of assembled preamplifier.
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Old 29th August 2005, 11:49 PM   #5
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And here is a nice 3D view of Aleph P PCB.
Click the image to open in full size.
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Old 30th August 2005, 01:52 AM   #6
digi01 is offline digi01  China
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Hello veteran,you have make a very nice layout.the only one problem for me is the input with the power supply distance too near.
have you get a chance to see my layout?
http://www.diyaudio.com/forums/showt...277#post697277


rgds
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Old 30th August 2005, 05:19 AM   #7
jleaman is offline jleaman  Belgium
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Looks nice. : O ) how much for a board >? How about that Volume control i have been working on with you ? the ladder one ? A display ?
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Old 30th August 2005, 10:05 AM   #8
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Hi Digi01. Your pcb is really nice too
I tried to reach compromise between power and ground tracks. As You can see they are connected in single point. But small MKT cap close to transistor may be useful


Jleaman, to who this question is?
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Old 31st August 2005, 06:08 PM   #9
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I think that this may be the final look of my Aleph P 1.7 pcb:
Aleph P 1.7 pcb

There are few cosmetic changes and the PS board was modified. We are ordering couple of them and the cost of complete set (PS + 2 x Aleph P = stereo) will be less 10 Euro. As soon as I get them and assemble one I will put few pictures here
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Old 21st September 2005, 04:00 PM   #10
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PCBs just arrived This is the base of my AP1.7 preamplifier.
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