help troubleshooting this diy pre-amp - Page 3

zobsky · 2nd November 2003, 11:02 PM

Tx secondary - rectifier - 100uF - 4H choke - 100uF is my config, .. the regular CLC filter, ..
is this wrong ?

fdegrove · 2nd November 2003, 11:06 PM

Hi,

Quote:

Tx secondary - rectifier - 100uF - 4H choke - 100uF is my config, .. the regular CLC filter, ..

Yes, you're hitting that 5Y3 really hard at start up...it won't like you for too long.

If you don't mind loosing 20V of your B+ go LCRC or put a 20µF cap behind the rectifier.

Cheers,

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2nd November 2003, 11:02 PM	#21
zobsky diyAudio Member Join Date: Mar 2002 Location: Dallas, Tx, USA	Tx secondary - rectifier - 100uF - 4H choke - 100uF is my config, .. the regular CLC filter, .. is this wrong ?

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