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Old 18th February 2007, 08:08 PM   #1
diyAudio Member
Join Date: Jan 2007
Default Asymetric Voltages

Hi out there,

I made myself a simple symmetric power supply for a 3886 chipamp. No regulation, just two rectifiers and the capacitors.

My transformer gives me quite symetric plus / minus 18 Volt AC. DC output (without load - didn't test with load up to now) is slightly asymetric: 25,3 Volt positive / 25,7 Volt negative.

Should I worry about this 400 mV difference?

Thanks in advance

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Old 18th February 2007, 08:16 PM   #2
diyAudio Member
Join Date: May 2005
Location: Avesnes/Helpe
Hi Ruediger,

No you don't have to worry for such a small difference ;-)

By the way clipping is never symetric !
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