I'm helping my dad hot rod a 46 chevy truck and he wants to put the sub in the bed.

There is about an inch gap between the front of the bed and the back of the cab, and is there any way to get decent sound quality in the cab?

thanks

e/ the sub will be inclosed in waterproof housing

This post was edited by Ravaging on Nov 14 2011 03:45pm

Thats called a blowthru and its the best way to get loud in a pickup, sound quality will be good too depending on how you tune your box. I helped a friend from Wisconsin build his last year. In most cases its going to need to be a bandpass or ported enclosure firing forward through the gap. You fill the gap with a silicone/ rubber boot and that prevents weather from getting in. If you need a box design i know the name of a few people who design hundreds of boxes custom to fit your specs tuned however you like, they come with cutsheets and everything and cost around $15. Ive had them design plans for me aswell. I also noticed you said "sub" i wouldnt do a blow-through with a single sub, at least 2. What kind of speakers are they?


Heres a generic ported enclosure in a blow thru, the easiest method ( I recommend)

Heres a vid of a bandpass enclosure more difficult http://www.youtube.com/watch?v=tFBmVlqS86M ( wont let me imbed 2 vids)

This post was edited by kookymunsta309 on Nov 14 2011 03:59pm

If I'm not mistaken, a lot of those early Chevy pickups had the gas tank immediately behind the seats in the cab (in its own sealed section)...this makes the above option impossible, as you can cut a whole through the box and the cab...but you'd also have to cut through the gas tank.

You can relocate the gas tank, but that means you now have room to simply install the subs in the back wall of the cab.

Another option is to use low profile subs...which are not as good as a normal sub, but better than having no sub at all. These could fit under the seats.

sexy fucking box

hahha shiiiiiiiiitttt!!! what amps they run?


last week i made a pretty sick 15" box for a type R alpine

and a 15" box for a rockford p2 both with 3" wide ports

Correct, it's being relocated, the entire truck is going through a complete tear down

As far as low profile subs go, he's a big guy and needs all the space he can get which involves getting seats that are too low to allow for any room

And for cadallac and kookymunst thank you for the answers, only final question is, he wants the subs and amp to be visible through the box which means they have to face the rear is this going to create sound problems? (I know in car trunks you face them backwards for the sound to bounce off the trunk but does this hold true if you are using a thin piece of plywood/plexyglass?

Thanks again guys

This post was edited by Ravaging on Nov 15 2011 02:09pm

Its a sexy ass box i agree but he spent 100 worth of fiberglass to 45 all the corners yet he didnt bother to double baffle the faceplate, The btls are gonna flex it like a mofo lol



subs shouldnt be firing back in the bed of a truck.... You want them to send the sound pressure forward and theres to little height/volume in your bed to create decent sound, Plexiglass is notoriously hard to work with and it doesnt hold in pressure nearly as well as mdf or birch.

I know steve meade did a build with plexiglass a while ago, i wouldnt use plexi unless your a fucking master of fabrication.

Heres a build using plexi in a excalade pickup similar to what your thinking http://www.stevemeadedesigns.com/board/topic/119317-chickens-2004-rezcalade-ext-goes-home-again/

Heres his build using plexi in a navigator http://www.stevemeadedesigns.com/board/topic/149-2005-navigator-build-log/pagest20





This post was edited by kookymunsta309 on Nov 15 2011 02:39pm