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Dropping down from 15's to 12's and I'm looking for enclosure help.


Impalalpine

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So as some of you may know I melted the voice coils on my alpines. I tried and tried to figure out a way to use 15's again but 15's that can put up with the amp also need much more port area and airspace than the old subs needed.

So I am moving down to 12's, soundqubed HDC3 12's to be more specific. Unfortunately after using the old box for less than a month, I am looking at building a new one, but that's alright I love the process. Here are the max dimension's figures:

Height: 17 in

Width: 39 in

Depth: 24 in

I am looking for low 30's tuning but I am open to ideas/suggestions. Lots of port area and two layer baffle if possible.

Pictures of the woofers if you need a visual idea:

HDC312_top_zpsd93be461.jpg

Subs will see my Q1-3500 at 1 ohm

003_zps007e7f6b.jpg

Looking to spend a great deal of time with the building of this one, instead of painting or wrapping in carpet I am actually going to lay twilled carbon fiber from US compsites. Along with conventionally glassing the inside. Car is a chevy impala and I mostly listen to hip hop/rap

Build's consist of:

2004 Chevy Impala :

Pioneer--------------------- DEH-X8600bs Soundqubed/AQ------ Q4-120

Rockford Fosgate---- Punch-500.4

Soundqubed/AQ----- Q1-3500D.1 Alpine----------------- 6.5's & 6x9's

Subs: TBA All Knukonceptz and SHCA wire and rca's

Home Music Setup

(4) Soundqubed HDS200 15's in two separate 15.5 cubic foot enclosures tuned to 31 hrz --- XM radio hardwire

Updates coming all the time on both builds

n8ball2013

"bullshit. Everything fits. If you cut enough."

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If you want to tune super low you picked the wrong woofers

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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dont need to tune low to play low with those woofers.

x2 what nate said.

If you want to tune super low you picked the wrong woofers

weel...I have yet to put the order through, I do like the price of the HDC3's though. Sundown X's? Fully loaded FI SSD?

X15_001_SSA__92746137523258612801280_zps

SA 12's?

SA_12_REV2_000_SSA__31276138627493712801

Here Is my old box, with the old 15's. (Old meaning last week)

011_zpsf4e5e858.jpg

014_zpsc57f1252.jpg

Build's consist of:

2004 Chevy Impala :

Pioneer--------------------- DEH-X8600bs Soundqubed/AQ------ Q4-120

Rockford Fosgate---- Punch-500.4

Soundqubed/AQ----- Q1-3500D.1 Alpine----------------- 6.5's & 6x9's

Subs: TBA All Knukonceptz and SHCA wire and rca's

Home Music Setup

(4) Soundqubed HDS200 15's in two separate 15.5 cubic foot enclosures tuned to 31 hrz --- XM radio hardwire

Updates coming all the time on both builds

n8ball2013

"bullshit. Everything fits. If you cut enough."

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Did you have alpine type s on a 4300 watt amp? And they last a week? Congrats that alone lol! I had like 04-05 t1000 on two 12s and they only lasted like 2 weeks with 1600+ birth sheet it was a sealed box tho

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

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Type x not s.

The hdcs are a good sub you just dont need to tune low for them.

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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Anyway I wouldn't put the SA's on that amp either.. But either the X or SSD's would be alright playing smart

Edit sorry they say S in the pic. I thought that's what he was running paired with the SQ3500

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

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Shit maybe youre right lol

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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Share on other sites

Dan2427: You...own a 20k?

I need that to be mine. how can I remove that from your life.

Build's consist of:

2004 Chevy Impala :

Pioneer--------------------- DEH-X8600bs Soundqubed/AQ------ Q4-120

Rockford Fosgate---- Punch-500.4

Soundqubed/AQ----- Q1-3500D.1 Alpine----------------- 6.5's & 6x9's

Subs: TBA All Knukonceptz and SHCA wire and rca's

Home Music Setup

(4) Soundqubed HDS200 15's in two separate 15.5 cubic foot enclosures tuned to 31 hrz --- XM radio hardwire

Updates coming all the time on both builds

n8ball2013

"bullshit. Everything fits. If you cut enough."

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Two 12 inch Sundown X's it is. Final decision, no going back now.

Now to get going on the box. Anyone out there have any ideas?

^^ were pictures of the x15. Here is the x12

X12_001_SSA__41724137523224112801280_zps

X12_002_SSA__78232137523224112801280_zps

X12_003_SSA__83348137523224012801280_zps

Build's consist of:

2004 Chevy Impala :

Pioneer--------------------- DEH-X8600bs Soundqubed/AQ------ Q4-120

Rockford Fosgate---- Punch-500.4

Soundqubed/AQ----- Q1-3500D.1 Alpine----------------- 6.5's & 6x9's

Subs: TBA All Knukonceptz and SHCA wire and rca's

Home Music Setup

(4) Soundqubed HDS200 15's in two separate 15.5 cubic foot enclosures tuned to 31 hrz --- XM radio hardwire

Updates coming all the time on both builds

n8ball2013

"bullshit. Everything fits. If you cut enough."

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