Power line filtering

[jnb 10+ year member]

How important is it to filter the power into a headunit?

If so, should I use a series inductance, a shunt capacitance, both or something else? and what values?

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[nismos14 5,000+ posts]

Filter the power INTO a headunit... wtf?

 

[jnb 10+ year member]

Yes, the supply line. I'm thinking of noise and voltage drops.

 

[jnb 10+ year member]

OK, I take it you don't think it's worth the trouble. Thanks for the replies.

 

[bdawson72 5,000+ posts]

There is no need to

 

[sunspot 10+ year member]

There is no need to

Whys that? Do hu's have noise filters built in?

If you have a noisey power line(alternator), why not use this:

http://www.crutchfield.com/S-yj5JZkaRFdU/cgi-bin/prodview.asp?i=003S15A

That is if everything is grounded properly in the cabin and engine compartment.