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Chip Amps Amplifiers based on integrated circuits

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Old 11th January 2009, 03:32 PM   #861
ide2003 is offline ide2003  Indonesia
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woow..another professional looking amp..gefeliciteerd Beftus!
nice amplimo (this one only available in holland ?) +caps & yes, wood face plates will bring smile to your wife

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Old 11th January 2009, 03:42 PM   #862
Beftus is offline Beftus  Netherlands
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Thanks for the praise! Don't know about the Amplimo, I found it here: http://www.deaudiofabriek.nl/
It was chosen because I knew it would physically fit the box and hopefully leave some room for the PSU board too... I would have preferred the 120VA version but wasn't sure if that would leave me with enough space to mount the PSU board in the orientation as it is now. One of the problems you encounter when you're buying over the internet.

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Old 11th January 2009, 03:49 PM   #863
BrianGT is offline BrianGT  United States
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Quote:
Originally posted by Beftus
Here's my first ever chip amp using the PCBs from BrianGT (chipamp.com). I finished both monoblocks yesterday. They sound great, a wide and detailed soundstage. Much to the dismay of my wife I can hear the difference to my Cambridge Audio 540A amp..
Amp looks great! I am glad you are enjoying them!

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Old 11th January 2009, 03:57 PM   #864
Beftus is offline Beftus  Netherlands
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Thanks Brian! They do sound great, much greater than their combined physical size.
I couldn't have done it without your excellent LM3886 manual though...
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Old 11th January 2009, 08:28 PM   #865
juluska is offline juluska  Ukraine
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Congratulations, very nice and compact design.
Where are the amplifier and the chassis earth connections?
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Old 11th January 2009, 09:11 PM   #866
Beftus is offline Beftus  Netherlands
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Quote:
Originally posted by juluska
Where are the amplifier and the chassis earth connections?
Still gotta do those. I have discovered that the surface of the aluminium housing isn't very conductive at all. So I'm still thinking about how to make an amp->chassis and a chassis->ground connection that is conductive...
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Old 11th January 2009, 10:11 PM   #867
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very nice Beftus,to be your first amp it looks like a professional job. Well done!
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Old 12th January 2009, 03:10 AM   #868
troystg is offline troystg  United States
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Location: In a dream... Please don't wake me.
"To improve the WAF there's not gonna be a power LED. "

Put it on the bottom with small feet to lift the amp 5-6mm and it will glow only bright enough to see if you are LOOKING for it.

Beautiful implementation!! I love those cases. And the wood front would be nice also.

Is that Kimber Kable you are using for power jumper wires and signal inputs?
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Thinking positive doesn't make things better, it makes you a better person.
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Old 12th January 2009, 05:12 AM   #869
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Very nice indeed ; where are enclosures coming from ?
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Old 12th January 2009, 05:22 AM   #870
Beftus is offline Beftus  Netherlands
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Thanks all for the kind words.

Quote:
Is that Kimber Kable you are using for power jumper wires and signal inputs?
No, just some solid core copper cable I had lying around.

Enclosures (extruded aluminium) were bought from http://www.conrad.com/ They come in three sizes, mine are 165 x 110 x 105 mm, and cost me 20 euros each.
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