need box plains for 1997 gmc 1500 ex cab

[pimpolligist16 10+ year member]

i will be going with RE AUDIO SEX12D2 12 inch subs so there will be 2 subs under the back seat some help im up in the air for porteed or vented please help

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[pimpolligist16 10+ year member]

eny help?

 

[pimpolligist16 10+ year member]

please

 

[manyhobbies 10+ year member]

Not sure what the specs are on those subs. But with the room to work with in my opinion I would go sealed, but I would also use a sub best suited for sealed or go with 10's ported and down fire the subs with a front fire slot port. I'm no expert in any means but would be my thought for a under seat in a ext cab chevy since I've owned a couple and know the tight room. I'm actually gonna add 10's under my back seat of my crew cab chevy in individual box's. From what I've seen the crew cab in my opinion has more room but not a lot for 12's or I would use those since I have both.

If you went with the earthquake shallow mount subs it would'nt be a issue with clearance.

Take what I've mentioned with a grain of salt since like I mentioned I'm no expert.

I'd say measure what room you have to work with and figure out if manufacturer smallest enclosure suggested will work.

Hope that helps. Russ

 

[pimpolligist16 10+ year member]

heres the specs on the sub im thanking it whould be best to go with down fireing with a sealed box Mounting Depth - 6.9"

Mounting Hole Diameter - 11.2"

Overall Diameter - 12.5"

Bolt Hole Circle - 11.75"

Motor Width - 7.3"

Motor Depth - 3.44"

Basket Depth - 3.46"

Displacement - 0.15 cu. ft.

Weight - 21.5 lbs

Electrical Q Value -Qes: 0.49

Mechanical Q Value -Qms: 4.5

Total Speaker Q Value -Qts: 0.44

Free Air Resonance -Fs: 25.1 Hz

Equivalent Compliance -Vas: 72.9 liters

One-Way, Linear Excursion -Xmax: 18 mm

Efficiency -SPL 1W/1m: 86.1 dB SPL

Effective Piston Area -Sd: 480 cm^2

DC Resistance -Re: 2.8 ohm

Nominal Impedance -Znom: Dual 2/4 ohm

Thermal Power Handling -Pe: 600 W

Force Factor -Bl: 17.7

 

[pimpolligist16 10+ year member]

can eny one help me ?

 

[monarae21 10+ year member]

i did ported 8s in my old xcab chevy now im gonna try to go ported single 12 or dual 10s space is limited thats for sure

 

[zierbox 10+ year member]

You do not have enough air space or even mounting depth for 12” subs in that truck

Even 10” subs are hurting for space and depth

 

[pimpolligist16 10+ year member]

my buddy 2 12's in his ext cab truck under the seat and they hit hard and i have found pre made boxes on ebay with them down fireing so i know it can work

 

[Cabin_Pressure 10+ year member]

Gonna sound like azz compared to how it could with a smaller sub with proper airspace.

 

[pimpolligist16 10+ year member]

so i should go with 2 10s then ?

 

[pimpolligist16 10+ year member]

Dual 10" 88-98 Chevy Extended Cab Sub Box

Air Space: 0.95 Cubic Feet

Mounting Depth: 6-1/2"

Sealed Enclosure

Dimensions: Width 56-3/4" x Front Height 10" x Rear Height 6-1/4" x Depth 13-1/4"

Constructed with High Quality MDF

High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')

High Quality Black Carpet

 

[pimpolligist16 10+ year member]

eny one

 

[RAM_Designs 5,000+ posts]

Take out the back seat and build a false floor to set a box on top of...

 

[branham1127 10+ year member]

Dual 10" 88-98 Chevy Extended Cab Sub BoxAir Space: 0.95 Cubic Feet

Mounting Depth: 6-1/2"

Sealed Enclosure

Dimensions: Width 56-3/4" x Front Height 10" x Rear Height 6-1/4" x Depth 13-1/4"

Constructed with High Quality MDF

High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')

High Quality Black Carpet

I have tried a couple different boxes that claim those same specs and it wasn't even deep enough to hold a 10" Icon which is 6" deep. Even a 10"q under the seat didn't perform that well in the same box. I've had many many different setups in mine and the prefab under the seat setups just aren't very impressive. You should look into some of this Order Mild Steel A36 Square Tube in Small Quantities at OnlineMetals.com and have it cut to a custom length, I went with 2" X 2"(8 inches long). Raise the seat a couple inches and you will gain alot more space than you realize and have the room to go ported. Front fire the subs and put the port coming out the side. I know one guy on here lifted his 4" and was able to port four 10's recently, I'm raising mine 2" and am going to be able to fit four sundown sa-8's ported.