need help picking torroid

oiphy · 12th September 2011, 10:15 PM

hi.
I need help with my latest project.
mainboard needs +-25v, then I should use a 18v trafo?????
18x1.4?? is this right?
thanks for any input or redirects

planet10 · 12th September 2011, 11:01 PM

Yes, with cap input filter 18-0-18 AC wll give 25-0-25 DC

dave

oiphy · 13th September 2011, 05:11 AM

schema ... I dont see the 0 conn.? on the mainboard.
but it still is 18 v ac?

12th September 2011, 10:15 PM	#1
oiphy diy newbie diyAudio Member Join Date: Sep 2011 Location: norway	need help picking torroid hi. I need help with my latest project. mainboard needs +-25v, then I should use a 18v trafo????? 18x1.4?? is this right? thanks for any input or redirects

12th September 2011, 11:01 PM	#2
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	Yes, with cap input filter 18-0-18 AC wll give 25-0-25 DC dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

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