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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
aluminium capacitor bipolar nonpolar
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sonousrecords



Joined: Jun 04, 2013
Posts: 1
Location: Rosario, Argentina

PostPosted: Tue Jun 04, 2013 10:46 am    Post subject: aluminium capacitor bipolar nonpolar
Subject description: i can´t get 1uF aluminium bipolar nonpolar capacitor.
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I can´t get 1uf aluminium bipolar nonpolar capacitor. A polyester capacitor of the same value works as a replacement?

Thank you.
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elmegil



Joined: Mar 20, 2012
Posts: 1488
Location: Chicago
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PostPosted: Tue Jun 04, 2013 1:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

If you have 2uF or 2.2uF standard electrolytics you can place a pair back to back and essentially get a nonpolar cap.
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roborobert



Joined: Jan 15, 2013
Posts: 24
Location: austria

PostPosted: Mon Jul 01, 2013 2:39 am    Post subject: Reply with quote  Mark this post and the followings unread

hey elmegil,

just curious - is it important which way to connect the electrolytics together, plus or minus side?

thanks, rob
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analog_backlash



Joined: Sep 04, 2012
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Location: Aldershot, UK
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PostPosted: Mon Jul 01, 2013 7:45 am    Post subject: Reply with quote  Mark this post and the followings unread

roborobert wrote:
hey elmegil,

just curious - is it important which way to connect the electrolytics together, plus or minus side?

thanks, rob


Hi roborobert. I think that in this thread:

http://electro-music.com/forum/post-375858.html&highlight=#375858

we decided that it didn't make any difference if the 2 caps are + to + or - to - (unless someone's changed their mind since then). I've certainly seen circuits with them wired both ways round.

Gary
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elmegil



Joined: Mar 20, 2012
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PostPosted: Mon Jul 01, 2013 7:54 am    Post subject: Reply with quote  Mark this post and the followings unread

Yah, roborobert, the consensus was that it doesn't matter. i always do - to - but that's just a convention, not a requirement.
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roborobert



Joined: Jan 15, 2013
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Location: austria

PostPosted: Mon Jul 01, 2013 10:51 am    Post subject: Reply with quote  Mark this post and the followings unread

nice, that's easy to remember.

thanks for the quick reply guys!
best, rob
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