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Fourth order bandpass


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im looking for a fourth order bandpass box design for 4 18s. Specifically the fi btl n3, tuned to 29 or 30 hz. im planning to put it into a new yukon xl denali. i was wondering if anyone could help me build one. and if anyone has heard about the n3s yet im really curious on how they play.

Are you sure you wanna tune THAT low? Bandpass boxes dont have a similar frequency response as a traditional ported when tuned to the same fs

On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

Mitsubishi 3000GT (Old Build)

Headunit: Pioneer 80PRS

Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids

Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies

Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s

Electrical :Singer 260A Alt & JY Power Lithium

 

2005 Chevy Colorado Ext Cab

Headunit: Pioneer 80PRS

Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms

Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s

Electrical: Singer "390" and JY Power

My Official Feedback Thread

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A 4th order for 4 18s would be GIGANTIC

Current Systems:

2011 BMW 335i

Hertz HDP1

DC LVL3 12" Full Carbon Fiber

2002 Acura Tl
Kenwood DNX9980HD
2 DCLVL4 12" Subs with LVL5 Parts D.7 Coils
DC 3.5k
Hertz HSK-165 up front HCX-165 Rear
Hertz HDP4 Amp
DC Power Engineering 260 Amp Alt
Big 3 and amp powered with KNU 1/0
XS Power D2400 Up Front

i pulled out my dick in class many of times and had it shown. get over it bitch...stupid open legged hairy beavered bitch...

going over rms = smaller box, under rms = bigger box...

Low voltage doesn't blow amps. That's a myth.

A router that does the sub holes makes rounded edges also?

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You don't know a damn thing about what your talkin about. That is all.

"Someone make me a bandpass box for 4 burp subs and tune it low"

is all i read

00' Nissan Xterra

Always under construction :]

HU: Pioneer DEH3100-UB

Mids & Highs: Kicker DS Component Set & Crescendo tweeters

Mids & Highs Amp: Rockford 150.2

Subwoofer: 2 DC Audio LV 4 18"s

Subwoofer Amp: Hifonics Brutus 2005d

you been hanging out with jeff and dustin with that green paint? its yellow so it has to be loud.

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You don't know a damn thing about what your talkin about. That is all.

:ohsnap:

"Someone make me a bandpass box for 4 burp subs and tune it low"

is all i read

Maybe he did some MAJOR modifications to the cabin to make it peak low...like 15hz bahaha. I highly doubt the N3 would like to be played that low anyway

OP, I tried to defend ya :shrug: Its too hard though....

On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

Mitsubishi 3000GT (Old Build)

Headunit: Pioneer 80PRS

Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids

Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies

Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s

Electrical :Singer 260A Alt & JY Power Lithium

 

2005 Chevy Colorado Ext Cab

Headunit: Pioneer 80PRS

Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms

Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s

Electrical: Singer "390" and JY Power

My Official Feedback Thread

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I read:

"I'm going to design (myself) something that i have no idea how to. Oh and how will these subs play? Because thats all that matters. Oh and i think a 4th order for 4 18s will actually fit in a yukon."

I don't understand the world anymore.

i resolve to be a nicer moderator.

Tercel build R.I.P.

Eclipse build Old New

V-Dub

My feedback.

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