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Second Skin Audio

Overcoming cabin peak


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I got a single cab truck, not the same as yours, but with all the windows closed, it dominates the lows, but when I open it all up the lows die off and 40 hz and up is twice as loud. This info might be sonewhat useless since you probably dont want everyone else to hear your music. But me I live in a small town I generally dont care what they say.

Basshead-in-Training

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So it says that you have Hertz ESK 130, that's a 5" components, those usually start to kick in at 80-100Hz I'd say your gap is upper in frequency also, after all you said you tuned high and it didn't fix it looks more a gap in the 50-90 Hz region and not much below.

I don't think going bandpass will help you with your problem, do you know for real the exact specs of the box you are using now??

Not my truck so my stuff is irrelevant

The box is about 9 cubes 108 square inches of port tuned to 34

Subs up port side

-Matt

2005 Dodge Magnum RT
JVC KD-AVX1

2 PPI S580.2

Obsidian Audio ST1 Horn Tweeters

PRV 8MB450s

Audio Legion 3500.1D

2 RE MT 18s

360 ah LiFePO4 Battery
SHCA 2/0

155.2 @ 29 hz



Kicker CVR 15's build
DD 3512e build
Mini T-Line Build
(6) 8s Build
Nightshade 15s Wall Build
Magnum AB XFL 12s Build
Newest Magnum Build

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not that i can help but i have the same issue in my passport i have had 6 different set ups in there and when i meter i do best around 41hz even tho i tune 30-32hz :shrug: even walled tuned @31hz i did better at 42hz ...although when i tuned to 27 it did poorly but slammed them lows...lol

1995 Honda passport 3.2 4x4 Frankenstein on a budget

ballistics sound deader (roof only so far)

kenwood mp3 usb

audio control 3 (upgrading)

hifonics mx-3

3 sets of massive px5 5.25s

3 sets of massive tweets

phonix gold 5.25 componets

x2 massive nx4 nano 200x4 mids

sony xplod 600x4 watt high's

2 Fi bl fully loaded box walled @31ish hz

13.2 cube box/wall

massive DB8000

Excessive amaperge 250 amp alt wir extrnl regulator

daul runs of xs power xpflex 0 gauge

big 3

raptor 0 gauge power/ground wire full run

suriken 45 amp hour x3 shriken bt-120 batts,interstate 1100CA semi batt

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still upgradeing!

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We haven't tried subs forward port up with these subs but we did try it with a 15 inch tc9. I can't really compare the two.

The speakers are memphis 6.5 inch coax ran off of the head unit

-Matt

2005 Dodge Magnum RT
JVC KD-AVX1

2 PPI S580.2

Obsidian Audio ST1 Horn Tweeters

PRV 8MB450s

Audio Legion 3500.1D

2 RE MT 18s

360 ah LiFePO4 Battery
SHCA 2/0

155.2 @ 29 hz



Kicker CVR 15's build
DD 3512e build
Mini T-Line Build
(6) 8s Build
Nightshade 15s Wall Build
Magnum AB XFL 12s Build
Newest Magnum Build

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So the model for your subs on your box specs and on a slightly above average cabin looks like this:

AB.png

Input power is per sub.

It does peak but is not declining that fast into the midbass region, Of course this is not measured data but it doesn't show anything particularily unusual.

To the very least you need a 50W RMS/channel amp to those coaxes just to try to even out response regardless of the peaking issue, you are delivering to them 14-16W on HU power.

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do you seriously believe those 6.5s will be able to make a clean transition at 45hz?

ive never met a 140 db front stage.

maybe i didn't make myself clear but he wants the higher notes to be strongest because 45-50hz hurts people more than 20-30hz does.

what we are going to try is subs forward port up. one sub on each side and port in the center. what tuning should i try?

-Matt

2005 Dodge Magnum RT
JVC KD-AVX1

2 PPI S580.2

Obsidian Audio ST1 Horn Tweeters

PRV 8MB450s

Audio Legion 3500.1D

2 RE MT 18s

360 ah LiFePO4 Battery
SHCA 2/0

155.2 @ 29 hz



Kicker CVR 15's build
DD 3512e build
Mini T-Line Build
(6) 8s Build
Nightshade 15s Wall Build
Magnum AB XFL 12s Build
Newest Magnum Build

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