QED P300 power amp bias question - diyAudio
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Old 18th March 2005, 10:10 AM  
DirkD is offline DirkD  South Africa
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Join Date: May 2004
Location: Paarl, South africa
Default QED P300 power amp bias question

Hi there

I have a QED P300 power amp that I have been using for more than 10 years. I would like to re set the bias on the amp because the one channel sounds very slightly different to the other. Does anyone know what the bias should be for the P300 and what procedure should I follow?

D
 
Old 20th March 2005, 08:24 PM  
DirkD is offline DirkD  South Africa
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Join Date: May 2004
Location: Paarl, South africa
Is there no one that can help me?
 
Old 21st March 2005, 07:13 AM  
AndrewT is online now AndrewT  Scotland
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Join Date: Jul 2004
Location: Scottish Borders
Hi,
maybe that amp was not popular?
Try measuring the existing bias on each channel.
Find the adjuster.
Adjust the low bias upto the same current as the higher channel.
Check temperatures and listen.
Is everything OK?
Listen even more and enjoy.
__________________
regards Andrew T.
 

 

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