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680 output resistor

PostPosted: Sat Oct 17, 2009 8:01 am
by SteveH
Guys,
Is the 680 ohm resistor mounted to the 8ohm output to ground needed w/the DIYTube board ? I don't see any references to it in the schematic; just a line direct to the onboard NFB to jumper 'I'.

Thanks !
Steve

PostPosted: Sat Oct 17, 2009 8:09 am
by Ty_Bower
Yes. Shannon did his feedback/stability testing with it in place. Somewhere around here is a thread where he stated this... I'll see if I can dig it up.

edit: Try this - http://www.diytube.com/phpBB2/viewtopic ... 63&start=7

PostPosted: Sat Oct 17, 2009 8:12 am
by SteveH
Wow - that was fast - Thanks !