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Old 14th August 2011, 09:10 PM   #221
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LC, sorry, i am loosing the overview. Anyway, that version i like best so far and the super simple first one. It was inspiring.
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Old 14th August 2011, 09:11 PM   #222
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I hope a PCB will be made for that version too. Poor Alex, he may have a lot to do.
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Old 14th August 2011, 09:33 PM   #223
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Quote:
Originally Posted by Joachim Gerhard View Post
LC, sorry, i am loosing the overview.
Simple overview: it is all the time just about the symmetrical current feedback loop front end (pic) in all kind of variations.

So far two versions incorporating this topology were actually built and listened to, mine and Nico's. Time will bring out the best from the simple ones. But if someone wants to go to more complex design I would suggest post #205.
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File Type: jpg SSA BASIC.jpg (183.9 KB, 1835 views)
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Old 14th August 2011, 09:36 PM   #224
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Quote:
Originally Posted by Joachim Gerhard View Post
Nico, could you please post the schematic that you are using right now ? That is the version i like most by intuition.
PCB is dual mono
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File Type: pdf Design1.pdf (40.2 KB, 1110 views)
File Type: pdf Design1 PCB.pdf (83.8 KB, 698 views)

Last edited by Nico Ras; 14th August 2011 at 09:39 PM.
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Old 14th August 2011, 09:44 PM   #225
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Thanks, both of you. I will follow this to the end.
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Old 14th August 2011, 09:52 PM   #226
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Nico I see you've designed your own two channels PCB. I like the "everything on board" design a lot, especially output laterals mounting, hats off, salute.
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File Type: jpg SSA PCB by NICO RAS.jpg (152.1 KB, 1824 views)
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Old 15th August 2011, 05:57 AM   #227
alex mm is offline alex mm  Romania
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Default Rev 1.4

....... rev.1.4 final adjust
Alex .
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File Type: jpg SIMPLE SYM LAZY CAT.JPG (742.3 KB, 1872 views)
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File Type: pdf PCB V1.4 SILK.pdf (60.0 KB, 698 views)
File Type: pdf PCB V1.4.pdf (29.8 KB, 703 views)
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Old 15th August 2011, 12:13 PM   #228
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Alex, is that the same circuit that Nico uses ?
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Old 15th August 2011, 12:38 PM   #229
alex mm is offline alex mm  Romania
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...yes Gerhard of course is the same schematic diagram from Nico Ras
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Old 15th August 2011, 12:44 PM   #230
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Thanks. Are you planning to make some PCBs or is it possible to get the Gerbers ?
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