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29th August 2005, 11:00 AM
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#1 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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(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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29th August 2005, 11:01 AM
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#2 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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Schematic diagram...
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29th August 2005, 03:42 PM
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#4 |
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diyAudio Member
Join Date: Feb 2004
Location: 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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29th August 2005, 11:49 PM
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#5 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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And here is a nice 3D view of Aleph P PCB.
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30th August 2005, 01:52 AM
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#6 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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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 Zang |
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30th August 2005, 05:19 AM
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#7 |
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diyAudio Member
Join Date: Apr 2002
Location: Nanaimo
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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 ?
__________________
Baby Danika, Born January 20th 1:54am.. http://itsparks.dyndns.orgMix a LittleUntangle&Opendns.org Perfect.. |
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30th August 2005, 10:05 AM
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#8 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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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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31st August 2005, 06:08 PM
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#9 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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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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21st September 2005, 04:00 PM
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#10 |
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diyAudio Member
Join Date: Feb 2004
Location: Poland
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PCBs just arrived
This is the base of my AP1.7 preamplifier.
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