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Need help with box for 4 aq hdc3 15s/18s


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Hey guys I am attempting my first "big" system build. I just bought an 03 tahoe and I want to put 4 aq hdc3 15s or 18s depending on what I can fit. I want to build a box with subs up and port back. I will be running them off 2 aq2200's. Does anyone know what these subs like to be tuned to and how much airspace the 15s and 18s would need? And I can also pay for a complete box design via PayPal for someone with experience with these subs. I have never built a sub up port back box. Thanks for all the help everyone! I wanted to go with dc level 4s and a 5.0k but there is a 40 day wait so the aq's will have to do.

Audio Build

Ride: 2002 Chevy Blazer 4 door

Head Unit: Pioneer deh-80prs

Subs: 4 DC Level 3 15's in a 4th order wall designed by Trent Choate and Jeff Smith

Subs Amp: AQ 3500.1 at wired at .5 (soon to be 2)

Mids/Highs Amp: Skar 85.4

Mids/Highs: Skar components

Electrical: Mechman 270 amp alt, 2 runs of Knu 0 gauge, XS Power d3400, 2 Deka Group 9a31

Build log : http://www.stevemeadedesigns.com/board/topic/167658-indianabasshead-blazer-dc-audio-4th-order-wall-build/


Perfomance Build

2003 Nissan 350z

Greddy Twin Turbo, 3" Test pipes with Borla high-flow cats, Crawford Performance Plenum, Greddy E-manage Ultimate ECU

Exedy Racing Clutch, Built Motor by Racing Innovations

Greddy Over-fender aero kit (1 of 20 ever made), 19" Racing Hart r5 pro wheels
466rwhp


Bike

2008 Midnight Blue Kawasaki ZX-14

Stretched 8" and lowered, Brocks Sidewinder exhaust, Power Commander 5

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Message ami customs on here he has a lot of experience with these subs and could help you.

"SilveradoGoesBang"

http://www.stevemeadedesigns.com/board/topic/155256-silveradogoesbang-box-done-take-notes-on-bracing/

2 FI BTL 18's

CT Sounds 7k

2013 MidwestSPL Finals Xtreme 3 - 1st Place

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Ok will do. Thanks a lot!

Audio Build

Ride: 2002 Chevy Blazer 4 door

Head Unit: Pioneer deh-80prs

Subs: 4 DC Level 3 15's in a 4th order wall designed by Trent Choate and Jeff Smith

Subs Amp: AQ 3500.1 at wired at .5 (soon to be 2)

Mids/Highs Amp: Skar 85.4

Mids/Highs: Skar components

Electrical: Mechman 270 amp alt, 2 runs of Knu 0 gauge, XS Power d3400, 2 Deka Group 9a31

Build log : http://www.stevemeadedesigns.com/board/topic/167658-indianabasshead-blazer-dc-audio-4th-order-wall-build/


Perfomance Build

2003 Nissan 350z

Greddy Twin Turbo, 3" Test pipes with Borla high-flow cats, Crawford Performance Plenum, Greddy E-manage Ultimate ECU

Exedy Racing Clutch, Built Motor by Racing Innovations

Greddy Over-fender aero kit (1 of 20 ever made), 19" Racing Hart r5 pro wheels
466rwhp


Bike

2008 Midnight Blue Kawasaki ZX-14

Stretched 8" and lowered, Brocks Sidewinder exhaust, Power Commander 5

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Share on other sites

Bump for some help!

Audio Build

Ride: 2002 Chevy Blazer 4 door

Head Unit: Pioneer deh-80prs

Subs: 4 DC Level 3 15's in a 4th order wall designed by Trent Choate and Jeff Smith

Subs Amp: AQ 3500.1 at wired at .5 (soon to be 2)

Mids/Highs Amp: Skar 85.4

Mids/Highs: Skar components

Electrical: Mechman 270 amp alt, 2 runs of Knu 0 gauge, XS Power d3400, 2 Deka Group 9a31

Build log : http://www.stevemeadedesigns.com/board/topic/167658-indianabasshead-blazer-dc-audio-4th-order-wall-build/


Perfomance Build

2003 Nissan 350z

Greddy Twin Turbo, 3" Test pipes with Borla high-flow cats, Crawford Performance Plenum, Greddy E-manage Ultimate ECU

Exedy Racing Clutch, Built Motor by Racing Innovations

Greddy Over-fender aero kit (1 of 20 ever made), 19" Racing Hart r5 pro wheels
466rwhp


Bike

2008 Midnight Blue Kawasaki ZX-14

Stretched 8" and lowered, Brocks Sidewinder exhaust, Power Commander 5

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Share on other sites

dont bump every 30 minutes. try about once a day.

you're gonna need like 24 cubes of space for 18's

and like 18-ish for 15's

going off of what aq states on their site. i have no experience with these subs

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I've decided that I'm going with the 4 15's. What I need to know is the ideal gross and net size for the box. The absolute most I can squeeze out of my trunk would be 26 cu ft gross. I'm honestly not sure about how to find net ft after port displacement. Also, what do these subs like to be tuned to? from what I've read, they like around 36 hz. But with the demoing I want to do, I'm not sure if it will be able to play the lows that I want for hair tricks and things like that. I'm still completely lost on the sub up / port back box building. Also, has anyone used fixmyspeaker's enclosure design service?

Audio Build

Ride: 2002 Chevy Blazer 4 door

Head Unit: Pioneer deh-80prs

Subs: 4 DC Level 3 15's in a 4th order wall designed by Trent Choate and Jeff Smith

Subs Amp: AQ 3500.1 at wired at .5 (soon to be 2)

Mids/Highs Amp: Skar 85.4

Mids/Highs: Skar components

Electrical: Mechman 270 amp alt, 2 runs of Knu 0 gauge, XS Power d3400, 2 Deka Group 9a31

Build log : http://www.stevemeadedesigns.com/board/topic/167658-indianabasshead-blazer-dc-audio-4th-order-wall-build/


Perfomance Build

2003 Nissan 350z

Greddy Twin Turbo, 3" Test pipes with Borla high-flow cats, Crawford Performance Plenum, Greddy E-manage Ultimate ECU

Exedy Racing Clutch, Built Motor by Racing Innovations

Greddy Over-fender aero kit (1 of 20 ever made), 19" Racing Hart r5 pro wheels
466rwhp


Bike

2008 Midnight Blue Kawasaki ZX-14

Stretched 8" and lowered, Brocks Sidewinder exhaust, Power Commander 5

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Share on other sites

Punkyou007 has four in a Burbank look at his build log

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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does he even have a bl? cant seem to find one

Audio Build

Ride: 2002 Chevy Blazer 4 door

Head Unit: Pioneer deh-80prs

Subs: 4 DC Level 3 15's in a 4th order wall designed by Trent Choate and Jeff Smith

Subs Amp: AQ 3500.1 at wired at .5 (soon to be 2)

Mids/Highs Amp: Skar 85.4

Mids/Highs: Skar components

Electrical: Mechman 270 amp alt, 2 runs of Knu 0 gauge, XS Power d3400, 2 Deka Group 9a31

Build log : http://www.stevemeadedesigns.com/board/topic/167658-indianabasshead-blazer-dc-audio-4th-order-wall-build/


Perfomance Build

2003 Nissan 350z

Greddy Twin Turbo, 3" Test pipes with Borla high-flow cats, Crawford Performance Plenum, Greddy E-manage Ultimate ECU

Exedy Racing Clutch, Built Motor by Racing Innovations

Greddy Over-fender aero kit (1 of 20 ever made), 19" Racing Hart r5 pro wheels
466rwhp


Bike

2008 Midnight Blue Kawasaki ZX-14

Stretched 8" and lowered, Brocks Sidewinder exhaust, Power Commander 5

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Share on other sites

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