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Old 21st September 2005, 04:01 PM   #11
veteran is offline veteran  Poland
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And supply board...
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Old 21st September 2005, 08:51 PM   #12
jleaman is offline jleaman  Belgium
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Quote:
Originally posted by veteran
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?

Ive send a schematic to digi to help me and work on a digital volume pot.. he doesnt seem interested so oh well..ill have to do it on my own.
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Old 2nd December 2005, 01:45 PM   #13
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Few more steps to end this construction Transistors are matched. This blue resistors were made by Elpod (0.25 – 0.5W, 0.25%, 25ppm).
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Old 3rd December 2005, 03:33 AM   #14
jleaman is offline jleaman  Belgium
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Quote:
Originally posted by veteran
Few more steps to end this construction Transistors are matched. This blue resistors were made by Elpod (0.25  0.5W, 0.25%, 25ppm).
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Click the image to open in full size.



Where did the boards come from ?
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Old 3rd December 2005, 01:28 PM   #15
dzkh63 is offline dzkh63  Hong Kong
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nice layout. Do you have been compare the ERO to BG N Type which better.
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Old 7th December 2005, 12:08 PM   #16
veteran is offline veteran  Poland
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Quote:
Originally posted by dzkh63
nice layout. Do you have been compare the ERO to BG N Type which better.
Not in this preamplifier, but I think that they are better than ERO.

Jleaman, this is my design. Board ware made by local ‘factory’
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Old 20th January 2006, 04:34 PM   #17
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Few more steps to end this construction I don't have much time now but this preamplifier assembled by several of my acquaintances is working in there systems now. WM8816 and relay volume control will complete this design.

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Old 20th January 2006, 11:09 PM   #18
Stabist is offline Stabist  Slovenia
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2 floor version

Me like it ...

Ofcourse much much ugglier - but my experimental p2p AlephL is built in 2 floors (in the picture there whole Al - only pot, trannie and connectors missing to make him functional ...)
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Old 21st January 2006, 11:30 AM   #19
veteran is offline veteran  Poland
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Look very nice I call this type of mounting PCBs 'sandwich'

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Old 26th January 2006, 04:31 PM   #20
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Default alephP PCB's

Wonderful job !! Anyway we can share or buy or whatever these boards !!
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