Commercial Mains Filters - Good or bad idea?

hifinerd · 12th September 2010, 09:34 AM

Hi all,

For my Aleph amplifier I am considering using a commercial mains filter like the one attached below. Is this a good idea or will it be detrimental to the amplifier? I am curious about the possibility of creating a resonant circuit with the transformer or something. Any advice would be great.

Cheers,

Greg.

Mooly · 12th September 2010, 11:06 AM

Good idea... I always filter the incoming supply. There will be no problems with resonance.

richie00boy · 12th September 2010, 11:14 AM

The best way is to run a filtered power strip and not a filter on each individual equipment. This ensures that each component has the same earth potential and thus less likelihood of ground loops. The effect is small and only comes into effect at RF, but if you are striving for perfection then that's the best way.

12th September 2010, 11:06 AM	#2
Mooly diyAudio Member Join Date: Sep 2007	Good idea... I always filter the incoming supply. There will be no problems with resonance. __________________ ------------------------------------------------------- *A simulation free zone.* *Design it, build it, test it.*

12th September 2010, 11:14 AM	#3
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	The best way is to run a filtered power strip and not a filter on each individual equipment. This ensures that each component has the same earth potential and thus less likelihood of ground loops. The effect is small and only comes into effect at RF, but if you are striving for perfection then that's the best way. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

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