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Old 21st July 2010, 12:48 PM   #1
soro is offline soro  Taiwan
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Default new member.say hello to everyone. And show my new 405 pcb.

post My Quad 405 pcb.made by myself.dose not buy from internet.
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Old 21st July 2010, 02:07 PM   #2
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Hi Soro and welcome with your new amplifier.
It is simpler than the original, of course. Would you like to post your schematic, so that we can see how it is designed? Perhaps you would like to comment on how it came about. Naturally, you are not obliged to do this unless you wish to.
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Old 21st July 2010, 06:06 PM   #3
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Quote:
Originally Posted by soro View Post
post My Quad 405 pcb.made by myself.dose not buy from internet.
Great work.
Do you have also such PCB remakes of Yamaha's MX-10000? For me the best sounding commercial amp and a very good to understand operation - have a look there:
Yamaha's Hyperbolic Conversion Amplification (HCA) Circuit
and there:
Chip Amp based on the topologies from Yamaha MX-10000 and Quad 405
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Old 21st July 2010, 07:26 PM   #4
soro is offline soro  Taiwan
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405-circuit-with-parts.jpgIs this schematic?
http://cid-6431063bc8c49a49.photos.live.com/self.aspx/.res/6431063BC8C49A49!162/6431063BC8C49A49!173#resId/6431063BC8C49A49!163

http://cid-6431063bc8c49a49.photos.l...3BC8C49A49!106
Click the image to open in full size.

Last edited by soro; 21st July 2010 at 07:43 PM.
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