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1st order filter parallel wiring


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johnx818 
Member - Posts: 3
Member spacespace
Joined: May 22, 2011
Location: California, United States
Posted: May 22, 2011 at 8:53 PM / IP Logged  
Hello all.
I'm trying to get up to about 165mf for each speaker (4ohm) by using two capacitors in parallel but I'm not sure how to wire it. Can someone please help me or let me know if it's even possible to do that because I can't find a wiring diagram on the net that shows two capacitors in parallel to a speaker.
Also, if it helps, the speakers are being powered by the headunit, not an amp.
haemphyst 
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Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: May 22, 2011 at 10:37 PM / IP Logged  
Two 80uF caps in parallel will give you about 160uF, which will be close enough.
Head unit, headphone amp, high-power amplifier... Makes no difference.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
i am an idiot 
Platinum - Posts: 13,693
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: May 23, 2011 at 2:18 AM / IP Logged  
Are you using Non-Polarized capacitors?
johnx818 
Member - Posts: 3
Member spacespace
Joined: May 22, 2011
Location: California, United States
Posted: May 23, 2011 at 4:25 AM / IP Logged  
haemphyst wrote:
Two 80uF caps in parallel will give you about 160uF, which will be close enough.
Head unit, headphone amp, high-power amplifier... Makes no difference.
But how will I wire those two 80uf caps? Do I tap in another wire to the existing speaker wire so that it turns into two wires and add the cap there?
And I will be using non-polarized caps.
haemphyst 
Platinum - Posts: 5,054
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: May 23, 2011 at 9:13 AM / IP Logged  
As long as they do this electrically, you can connect those caps wherever you'd like.
1st order filter parallel wiring -- posted image.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
johnx818 
Member - Posts: 3
Member spacespace
Joined: May 22, 2011
Location: California, United States
Posted: May 23, 2011 at 8:04 PM / IP Logged  
Thank you very much to all for responding and the diagram haemphyst!

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