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-   -   Ground reference for ESLs (http://www.diyaudio.com/forums/planars-exotics/205137-ground-reference-esls.html)

bolserst 23rd January 2012 04:25 PM

Ground reference for ESLs
 
Looking at the schematics of most manufacturer's ESLs, you will see that the secondary side of the step-up transformer is referenced to safety ground (figure A in attachment) or the primary of the step-up transformer (figure B in attachment).

But, most DIY ESLs are built with the secondary side of the transformer floating free (figure C in attachment).

So, does anybody have a good explanation why most manufactured ESLs have the secondary referenced to safety ground or the primary? It had been suggested to me that perhaps with the secondary side floating, it could build up considerable static potential relative to the primary and the rest of your electronics. Most likely, it is to cover some sort of safety concern like this, I'm just not certain of what. Thoughts?

bolserst 23rd January 2012 04:40 PM

DUPLICATE THREAD
 
For some reason a duplicate copy of my posting was generated...not sure why.
I have asked for this thread to be deleted.

Please reply to the original thread here:
http://www.diyaudio.com/forums/plana...ence-esls.html

tyu 25th January 2012 03:57 PM

There needs to be NEW look at this but i gess most just see it like the bias....if it works an it NOT in the audio path .... I think it all is?
I have found just having a better bias tranfourmer with more VAmps or a diff V...like 1000 v then setping up to say 5k... Can sound better than 250v tranfourmer!
The THD can be so low on ESL next to any other panel or piston type...thay just take a pass

Thanks for this post


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