2,5v dc offset!!

nicoch58 · 4th March 2007, 10:18 PM

Hi,

just finish the amp11 but in the two cannels I have the same dc offset ,whith trimmer I can conpensate a little 1,930.
visual inspection all perfect ,no bridge, component value ,solder joint.....suggestions ??

PS
my amp3 have 70mv ,the normal max is 100mv ,2,5v is too big....i hope is not the tripath chip,rework is hard....the strange is in all two cannel!!!!

manu

BWRX · 4th March 2007, 10:53 PM

Which chips does the amp11 use? You may want to try posting this on the 41hz forums as well. You will probably get more specific answers there.

nicoch58 · 5th March 2007, 12:02 AM

HI Brian, TK2050 like AMP4 dual mono version

4th March 2007, 10:18 PM	#1
nicoch58 diyAudio Member Join Date: Oct 2004	2,5v dc offset!! Hi, just finish the amp11 but in the two cannels I have the same dc offset ,whith trimmer I can conpensate a little 1,930. visual inspection all perfect ,no bridge, component value ,solder joint.....suggestions ?? PS my amp3 have 70mv ,the normal max is 100mv ,2,5v is too big....i hope is not the tripath chip,rework is hard....the strange is in all two cannel!!!! manu

4th March 2007, 10:53 PM	#2
BWRX diyAudio Moderator Emeritus Join Date: Jan 2005 Location: Pennsylvania	Which chips does the amp11 use? You may want to try posting this on the 41hz forums as well. You will probably get more specific answers there. __________________ Brian

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5th March 2007, 12:02 AM	#3
nicoch58 diyAudio Member Join Date: Oct 2004	HI Brian, TK2050 like AMP4 dual mono version

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