Electrolyt as DC blocking - diyAudio
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Old 1st December 2012, 07:56 PM   #1
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Default Electrolyt as DC blocking

Hi anybody know how many dc volt elektrolyts can block ?
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Old 1st December 2012, 08:16 PM   #2
jcx is offline jcx  United States
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use bipolar - with full rated V for both directions - higher V in excess of needs reduces measureable distortion
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Old 1st December 2012, 08:37 PM   #3
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Or make a bipolar of two electrolytics. Connect "-"'s one to the other. Take into account capacity is halved and each cap must be rated max DC you block.
PS. However, sonically not the best idea.
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Old 1st December 2012, 10:01 PM   #4
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My I/V stage has + 10 V out. I know it is + so normal electrolyt must be ok if I use + as in ? However they let around 4 v pass though.

Impedance after them is 47 kohm.
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Old 1st December 2012, 10:27 PM   #5
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Just discovered bipolar blocks. There is 2 on each output. There is + on one and - on the other so the one on - has to be reversed.
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Old 2nd December 2012, 09:34 AM   #6
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You don't want elcaps on i/v out. Use good film caps MKS/MKC or MKP. From wima or roederstein/vishay
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Old 2nd December 2012, 10:09 AM   #7
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I do not like filmcaps. I think electrolyts is better when there is no place for DCA cast. Have you ever tried electrolyts where there is a few volts on them ? Eletrolyts off best quality offcourse.
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Old 2nd December 2012, 01:25 PM   #8
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Yes, I have tried and compared film to electrolitycs. Replaced elcaps or bipolars with styroflex or polycarbon in a couple of CDs, amps (SS & VT). The difference is huge across the whole spectrum of music.
See here also: The "Sound" of Capacitors
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Old 2nd December 2012, 01:33 PM   #9
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or High End Audio - Electrolytic capacitors
more on picking caps from Walter Jung
http://waltjung.org/PDFs/Picking_Capacitors_1.pdf
http://waltjung.org/PDFs/Picking_Capacitors_2.pdf

Last edited by yagoolar; 2nd December 2012 at 01:35 PM.
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Old 2nd December 2012, 02:00 PM   #10
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Originally Posted by yagoolar View Post
Yes, I have tried and compared film to electrolitycs. Replaced elcaps or bipolars with styroflex or polycarbon in a couple of CDs, amps (SS & VT). The difference is huge across the whole spectrum of music.
See here also: The "Sound" of Capacitors
Nice, but Why is there no "curves" for electrolytics?
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