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#1686054 - 07/28/09 03:31 PM

Need a quick low-pass filter suggestion...

ABTsportsline
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Registered: 02/06/09
Posts: 16
Loc: Bellevue, WA

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Have an old Orion 275SX pushing a JL 10w3. the orion doesn't have any sort of on-board EQ to remove non-subwoofer frequencies, and i'm running this off stereo-level inputs.

of course, the sub is trying to play full-range. what is the best/easiest/cheapest way to cut out all the highs & mids from the sub? I've heard about running something in-line with either the RCA's or maybe some makeshift capacitor/resistor deal in-line with the speaker wire.

anyway, if you know of what i can use, i'd appreciate it. really don't want to buy an EQ or some other item to make it work, i know there's a way. $\:\)$

thanks!

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#1686178 - 07/28/09 08:20 PM

Re: Need a quick low-pass filter suggestion... [Re: ABTsportsline]

IamMurph
Retired
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Registered: 10/30/01
Posts: 35559

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You need a coil or an F mod.

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#1687852 - 08/01/09 08:18 AM

Re: Need a quick low-pass filter suggestion... [Re: IamMurph]

keep_hope_alive
in another life, i'm a serial killer
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Registered: 04/24/07
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by "coil" he means an inductor wired in series with the speaker acting as a 6db/octave low pass passive crossover.

http://www.parts-express.com/wizards/sea...FTOKEN=30229407

http://www.parts-express.com/mfg/jantzen/jantzen.cfm#15gauge

http://www.apicsllc.com/apics/Misc/filter2.html

http://www.carstereo.com/help/Articles.cfm?id=2

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#1704163 - 09/11/09 03:38 AM

Re: Need a quick low-pass filter suggestion... [Re: keep_hope_alive]

flex1016
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Registered: 09/02/03
Posts: 737
Loc: miami fl

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you need a high and low converter with a bilt in low pass, or u could get a cross over that has high imputs to low level rca outputs that wouldbe your best bet

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